INT-2507: File: Fix HeadDirectoryScanner
JIRA: https://jira.spring.io/browse/INT-2507 When using a `HeadDirectoryScanner`, the use of any filter removed the size limitation passed into the contstructor (or `queue-size` attribute of a file inbound channel adapter. The `HeadFilter` was overwritten. Combine the head filter into a `CompositeFileListFilter` (creating one if necessary).
This commit is contained in:
Gary Russell
committed by
Artem Bilan
Artem Bilan
parent
029bb28cfa
commit
cef99f3584
@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2010 the original author or authors.
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* Copyright 2002-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -20,20 +20,40 @@ import java.io.File;
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import java.util.Arrays;
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import java.util.List;
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import org.springframework.integration.file.filters.CompositeFileListFilter;
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import org.springframework.integration.file.filters.FileListFilter;
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/**
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* A custom scanner that only returns the first <code>maxNumberOfFiles</code>
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* elements from a directory listing. This is useful to limit the number of File
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* objects in memory and therefore mutually exclusive with AcceptOnceFileListFilter.
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*
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* objects in memory and therefore mutually exclusive with {@code AcceptOnceFileListFilter}.
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* It should not be used in conjunction with an {@code AcceptOnceFileListFilter}.
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*
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* @author Iwein Fuld
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* @author Gary Russell
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* @since 2.0
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*/
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public class HeadDirectoryScanner extends DefaultDirectoryScanner {
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private final HeadFilter headFilter;
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public HeadDirectoryScanner(int maxNumberOfFiles) {
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this.setFilter(new HeadFilter(maxNumberOfFiles));
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HeadFilter headFilter = new HeadFilter(maxNumberOfFiles);
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this.setFilter(headFilter);
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this.headFilter = headFilter;
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}
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@Override
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public void setFilter(FileListFilter<File> filter) {
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if (filter instanceof CompositeFileListFilter) {
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((CompositeFileListFilter<File>) filter).addFilter(this.headFilter);
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super.setFilter(filter);
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}
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else {
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CompositeFileListFilter<File> compositeFilter = new CompositeFileListFilter<File>();
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compositeFilter.addFilter(filter).addFilter(this.headFilter);
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super.setFilter(compositeFilter);
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}
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}
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@@ -45,6 +65,7 @@ public class HeadDirectoryScanner extends DefaultDirectoryScanner {
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this.maxNumberOfFiles = maxNumberOfFiles;
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}
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@Override
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public List<File> filterFiles(File[] files) {
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return Arrays.asList(files).subList(0, Math.min(files.length, maxNumberOfFiles));
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}
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2010 the original author or authors.
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* Copyright 2002-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -40,161 +40,179 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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/**
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* @author Iwein Fuld
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* @author Gary Russell
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*/
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@RunWith(SpringJUnit4ClassRunner.class)
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@ContextConfiguration
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public class FileReadingMessageSourceIntegrationTests {
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@Autowired
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FileReadingMessageSource pollableFileSource;
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@Autowired
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FileReadingMessageSource pollableFileSource;
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private static File inputDir;
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private static File inputDir;
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@AfterClass
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public static void cleanUp() throws Throwable {
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if(inputDir.exists()) {
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inputDir.delete();
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}
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}
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@AfterClass
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public static void cleanUp() throws Throwable {
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if(inputDir.exists()) {
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inputDir.delete();
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}
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}
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@BeforeClass
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public static void setupInputDir() {
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inputDir = new File(System.getProperty("java.io.tmpdir") + "/"
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+ FileReadingMessageSourceIntegrationTests.class.getSimpleName());
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inputDir.mkdir();
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}
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@BeforeClass
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public static void setupInputDir() {
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inputDir = new File(System.getProperty("java.io.tmpdir") + "/"
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+ FileReadingMessageSourceIntegrationTests.class.getSimpleName());
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inputDir.mkdir();
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clean();
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}
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@Before
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public void generateTestFiles() throws Exception {
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File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
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File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
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File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
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}
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@AfterClass
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public static void tearDown() {
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clean();
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inputDir.delete();
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}
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@After
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public void cleanoutInputDir() throws Exception {
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File[] listFiles = inputDir.listFiles();
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for (int i = 0; i < listFiles.length; i++) {
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listFiles[i].delete();
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}
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}
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private static void clean() {
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File[] files = inputDir.listFiles();
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for (File file : files) {
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file.delete();
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}
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}
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@AfterClass
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public static void removeInputDir() throws Exception {
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inputDir.delete();
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}
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@Before
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public void generateTestFiles() throws Exception {
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File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
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File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
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File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
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}
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@After
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public void cleanoutInputDir() throws Exception {
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File[] listFiles = inputDir.listFiles();
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for (int i = 0; i < listFiles.length; i++) {
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listFiles[i].delete();
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}
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}
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@AfterClass
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public static void removeInputDir() throws Exception {
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inputDir.delete();
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}
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@Test
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public void configured() throws Exception {
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DirectFieldAccessor accessor = new DirectFieldAccessor(pollableFileSource);
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assertEquals(inputDir, accessor.getPropertyValue("directory"));
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}
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@Test
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public void configured() throws Exception {
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DirectFieldAccessor accessor = new DirectFieldAccessor(pollableFileSource);
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assertEquals(inputDir, accessor.getPropertyValue("directory"));
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}
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@Test
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public void getFiles() throws Exception {
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Message<File> received1 = pollableFileSource.receive();
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System.out.println("receive files round 1");
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assertNotNull("This should return the first message", received1);
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pollableFileSource.onSend(received1);
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Message<File> received2 = pollableFileSource.receive();
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assertNotNull(received2);
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pollableFileSource.onSend(received2);
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Message<File> received3 = pollableFileSource.receive();
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assertNotNull(received3);
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pollableFileSource.onSend(received3);
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assertNotSame(received1 + " == " + received2, received1.getPayload(), received2.getPayload());
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assertNotSame(received1 + " == " + received3, received1.getPayload(), received3.getPayload());
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assertNotSame(received2 + " == " + received3, received2.getPayload(), received3.getPayload());
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}
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@Test
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public void getFiles() throws Exception {
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Message<File> received1 = pollableFileSource.receive();
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System.out.println("receive files round 1");
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assertNotNull("This should return the first message", received1);
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pollableFileSource.onSend(received1);
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Message<File> received2 = pollableFileSource.receive();
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assertNotNull(received2);
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pollableFileSource.onSend(received2);
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Message<File> received3 = pollableFileSource.receive();
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assertNotNull(received3);
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pollableFileSource.onSend(received3);
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assertNotSame(received1 + " == " + received2, received1.getPayload(), received2.getPayload());
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assertNotSame(received1 + " == " + received3, received1.getPayload(), received3.getPayload());
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assertNotSame(received2 + " == " + received3, received2.getPayload(), received3.getPayload());
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}
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@Test
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public void parallelRetrieval() throws Exception {
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Message<File> received1 = pollableFileSource.receive();
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Message<File> received2 = pollableFileSource.receive();
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Message<File> received3 = pollableFileSource.receive();
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assertNotSame(received1 + " == " + received2, received1, received2);
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assertNotSame(received1 + " == " + received3, received1, received3);
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assertNotSame(received2 + " == " + received3, received2, received3);
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}
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@Test
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public void parallelRetrieval() throws Exception {
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Message<File> received1 = pollableFileSource.receive();
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Message<File> received2 = pollableFileSource.receive();
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Message<File> received3 = pollableFileSource.receive();
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assertNotSame(received1 + " == " + received2, received1, received2);
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assertNotSame(received1 + " == " + received3, received1, received3);
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assertNotSame(received2 + " == " + received3, received2, received3);
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}
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@Test
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public void inputDirExhausted() throws Exception {
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assertNotNull(pollableFileSource.receive());
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assertNotNull(pollableFileSource.receive());
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assertNotNull(pollableFileSource.receive());
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assertNull(pollableFileSource.receive());
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}
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@Test
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public void inputDirExhausted() throws Exception {
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assertNotNull(pollableFileSource.receive());
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assertNotNull(pollableFileSource.receive());
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assertNotNull(pollableFileSource.receive());
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assertNull(pollableFileSource.receive());
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}
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@Test(timeout = 6000)
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@Repeat(5)
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public void concurrentProcessing() throws Exception {
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CountDownLatch go = new CountDownLatch(1);
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Runnable succesfulConsumer = new Runnable() {
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public void run() {
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Message<File> received = pollableFileSource.receive();
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while (received == null) {
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Thread.yield();
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received = pollableFileSource.receive();
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}
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pollableFileSource.onSend(received);
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}
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};
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Runnable failingConsumer = new Runnable() {
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public void run() {
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Message<File> received = pollableFileSource.receive();
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if (received != null) {
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pollableFileSource.onFailure(received);
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}
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}
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};
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CountDownLatch succesfulDone = doConcurrently(3, succesfulConsumer, go);
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CountDownLatch failingDone = doConcurrently(10, failingConsumer, go);
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go.countDown();
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try {
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succesfulDone.await();
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failingDone.await();
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}
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catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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// make sure three different files were taken
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Message<File> received = pollableFileSource.receive();
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if (received != null) {
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pollableFileSource.onSend(received);
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}
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assertNull(received);
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}
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@Test(timeout = 6000)
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@Repeat(5)
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public void concurrentProcessing() throws Exception {
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CountDownLatch go = new CountDownLatch(1);
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Runnable succesfulConsumer = new Runnable() {
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@Override
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public void run() {
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Message<File> received = pollableFileSource.receive();
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while (received == null) {
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Thread.yield();
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received = pollableFileSource.receive();
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}
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pollableFileSource.onSend(received);
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}
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};
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Runnable failingConsumer = new Runnable() {
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@Override
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public void run() {
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Message<File> received = pollableFileSource.receive();
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if (received != null) {
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pollableFileSource.onFailure(received);
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}
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}
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};
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CountDownLatch succesfulDone = doConcurrently(3, succesfulConsumer, go);
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CountDownLatch failingDone = doConcurrently(10, failingConsumer, go);
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go.countDown();
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try {
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succesfulDone.await();
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failingDone.await();
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}
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catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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// make sure three different files were taken
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Message<File> received = pollableFileSource.receive();
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if (received != null) {
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pollableFileSource.onSend(received);
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}
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assertNull(received);
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}
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/**
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* Convenience method to run part of a test concurrently in multiple threads
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*
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* @param numberOfThreads how many threads to spawn
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* @param runnable the runnable that should be run by all the threads
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* @param start the {@link java.util.concurrent.CountDownLatch} instance telling it when to assume everything works
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* @return a latch that will be counted down once all threads have run their
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* runnable.
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*/
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private CountDownLatch doConcurrently(int numberOfThreads, final Runnable runnable, final CountDownLatch start) {
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final CountDownLatch started = new CountDownLatch(numberOfThreads);
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final CountDownLatch done = new CountDownLatch(numberOfThreads);
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for (int i = 0; i < numberOfThreads; i++) {
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new Thread(new Runnable() {
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/**
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* Convenience method to run part of a test concurrently in multiple threads
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*
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* @param numberOfThreads how many threads to spawn
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* @param runnable the runnable that should be run by all the threads
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* @param start the {@link java.util.concurrent.CountDownLatch} instance telling it when to assume everything works
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* @return a latch that will be counted down once all threads have run their
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* runnable.
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*/
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private CountDownLatch doConcurrently(int numberOfThreads, final Runnable runnable, final CountDownLatch start) {
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final CountDownLatch started = new CountDownLatch(numberOfThreads);
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final CountDownLatch done = new CountDownLatch(numberOfThreads);
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for (int i = 0; i < numberOfThreads; i++) {
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new Thread(new Runnable() {
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public void run() {
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started.countDown();
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try {
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started.await();
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start.await();
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}
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catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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runnable.run();
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done.countDown();
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}
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}).start();
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}
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return done;
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}
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@Override
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public void run() {
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started.countDown();
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try {
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started.await();
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start.await();
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}
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catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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runnable.run();
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done.countDown();
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}
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}).start();
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}
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return done;
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}
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}
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@@ -1,6 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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~ Copyright 2002-2010 the original author or authors.
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~ Copyright 2002-2015 the original author or authors.
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~
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~ Licensed under the Apache License, Version 2.0 (the "License");
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~ you may not use this file except in compliance with the License.
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@@ -16,34 +16,46 @@
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-->
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<beans:beans xmlns="http://www.springframework.org/schema/integration/file"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:beans="http://www.springframework.org/schema/beans"
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xmlns:integration="http://www.springframework.org/schema/integration"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
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xmlns:integration="http://www.springframework.org/schema/integration"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/integration
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http://www.springframework.org/schema/integration/spring-integration.xsd
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http://www.springframework.org/schema/integration/file
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http://www.springframework.org/schema/integration/file/spring-integration-file.xsd">
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<inbound-channel-adapter id="inputDirPoller"
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directory="${java.io.tmpdir}"
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filter="filter"
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queue-size="30"
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auto-startup="false">
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<integration:poller fixed-rate="1000"/>
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</inbound-channel-adapter>
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<beans:bean class="org.springframework.integration.file.config.FileListFilterFactoryBean" />
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<inbound-channel-adapter id="inputDirPoller"
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directory="${java.io.tmpdir}/FileInboundChannelAdapterWithQueueSizeTests"
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filter="filter"
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queue-size="2"
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auto-startup="false">
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<integration:poller fixed-rate="1000" />
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</inbound-channel-adapter>
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<beans:bean id="filter" class="org.springframework.integration.file.filters.CompositeFileListFilter">
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<beans:constructor-arg>
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<beans:list></beans:list>
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</beans:constructor-arg>
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</beans:bean>
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<beans:bean class="org.springframework.integration.file.config.FileListFilterFactoryBean" />
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<beans:bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
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<beans:bean id="filter" class="org.springframework.integration.file.filters.CompositeFileListFilter">
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<beans:constructor-arg>
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<beans:list />
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</beans:constructor-arg>
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</beans:bean>
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<beans:bean id="testComparator"
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class="org.springframework.integration.file.config.FileInboundChannelAdapterParserTests$TestComparator"/>
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<beans:bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer" />
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<beans:bean id="testComparator"
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class="org.springframework.integration.file.config.FileInboundChannelAdapterParserTests$TestComparator" />
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<!-- test second leg of if test in HeadDS.setFilter - no CompositeFLF -->
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<inbound-channel-adapter id="inputDirPollerSimpleFilter"
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directory="${java.io.tmpdir}/FileInboundChannelAdapterWithQueueSizeTests"
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filter="acceptAll"
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ignore-hidden="false"
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queue-size="2"
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auto-startup="false">
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<integration:poller fixed-rate="1000" />
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</inbound-channel-adapter>
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<beans:bean id="acceptAll" class="org.springframework.integration.file.filters.AcceptAllFileListFilter" />
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</beans:beans>
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@@ -1,5 +1,5 @@
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/*
|
||||
* Copyright 2002-2013 the original author or authors.
|
||||
* Copyright 2002-2014 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
@@ -16,40 +16,87 @@
|
||||
|
||||
package org.springframework.integration.file.config;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import java.io.File;
|
||||
import java.util.List;
|
||||
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.springframework.beans.DirectFieldAccessor;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.beans.factory.annotation.Qualifier;
|
||||
import org.springframework.integration.file.FileReadingMessageSource;
|
||||
import org.springframework.integration.file.HeadDirectoryScanner;
|
||||
import org.springframework.integration.test.util.TestUtils;
|
||||
import org.springframework.test.context.ContextConfiguration;
|
||||
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
|
||||
|
||||
import static org.hamcrest.CoreMatchers.is;
|
||||
import static org.hamcrest.CoreMatchers.instanceOf;
|
||||
import static org.junit.Assert.assertThat;
|
||||
|
||||
/**
|
||||
* @author Gunnar Hillert
|
||||
* @author Gary Russell
|
||||
*/
|
||||
@RunWith(SpringJUnit4ClassRunner.class)
|
||||
@ContextConfiguration
|
||||
public class FileInboundChannelAdapterWithQueueSizeTests {
|
||||
|
||||
@Autowired
|
||||
FileReadingMessageSource source;
|
||||
private static final String PATHNAME = System.getProperty("java.io.tmpdir") + "/"
|
||||
+ FileInboundChannelAdapterWithQueueSizeTests.class.getSimpleName();
|
||||
|
||||
private DirectFieldAccessor accessor;
|
||||
private static File inputDir;
|
||||
|
||||
@Autowired
|
||||
@Qualifier("inputDirPoller.adapter.source")
|
||||
FileReadingMessageSource source1;
|
||||
|
||||
@Autowired
|
||||
@Qualifier("inputDirPollerSimpleFilter.adapter.source")
|
||||
FileReadingMessageSource source2;
|
||||
|
||||
@BeforeClass
|
||||
public static void setupInputDir() {
|
||||
inputDir = new File(PATHNAME);
|
||||
inputDir.mkdir();
|
||||
clean();
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void tearDown() {
|
||||
clean();
|
||||
inputDir.delete();
|
||||
}
|
||||
|
||||
private static void clean() {
|
||||
File[] files = inputDir.listFiles();
|
||||
for (File file : files) {
|
||||
file.delete();
|
||||
}
|
||||
}
|
||||
|
||||
@Before
|
||||
public void init() {
|
||||
accessor = new DirectFieldAccessor(source);
|
||||
public void generateTestFiles() throws Exception {
|
||||
File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
|
||||
File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
|
||||
File.createTempFile("test", null, inputDir).setLastModified(System.currentTimeMillis() - 1000);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void queueSize() {
|
||||
Object scanner = accessor.getPropertyValue("scanner");
|
||||
assertThat(scanner, is(instanceOf(HeadDirectoryScanner.class)));
|
||||
HeadDirectoryScanner scanner1 = TestUtils.getPropertyValue(source1, "scanner", HeadDirectoryScanner.class);
|
||||
HeadDirectoryScanner scanner2 = TestUtils.getPropertyValue(source2, "scanner", HeadDirectoryScanner.class);
|
||||
List<File> files = scanner1.listFiles(new File(PATHNAME));
|
||||
assertEquals(2, files.size());
|
||||
files = scanner2.listFiles(new File(PATHNAME));
|
||||
assertEquals(2, files.size());
|
||||
files.get(0).delete();
|
||||
files.get(1).delete();
|
||||
files = scanner1.listFiles(new File(PATHNAME));
|
||||
assertEquals(1, files.size());
|
||||
files = scanner2.listFiles(new File(PATHNAME));
|
||||
assertEquals(1, files.size());
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user