Add Spring Lifecycle-aware CacheDataImporterExporter implementation.

Resolves gh-90.
This commit is contained in:
John Blum
2020-06-09 13:19:26 -07:00
parent cb291c844e
commit 895378be70
2 changed files with 692 additions and 0 deletions

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/*
* Copyright 2020 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.springframework.geode.data.support;
import java.util.Collections;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.geode.cache.Region;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.Lifecycle;
import org.springframework.core.env.Environment;
import org.springframework.data.gemfire.support.SmartLifecycleSupport;
import org.springframework.geode.data.CacheDataImporterExporter;
import org.springframework.lang.NonNull;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* A {@link CacheDataImporterExporter} implementation using the {@literal Decorator Software Design Pattern} to wrap
* an existing {@link CacheDataImporterExporter} in order to {@literal decorate} the cache ({@link Region}) data
* import & export operations, making them Spring {@link ApplicationContext}, {@link Lifecycle} aware and capable.
*
* This wrapper {@literal decorates} the Apache Geode cache {@link Region Region} data import operation enabling it
* to be configured {@link ImportLifecycle#EAGER eagerly}, after the Region bean as been initialized,
* or {@link ImportLifecycle#LAZY lazily}, once all beans have been fully initialized and the Spring
* {@link ApplicationContext} refreshed.
*
* @author John Blum
* @see org.apache.geode.cache.Region
* @see org.springframework.context.ApplicationContext
* @see org.springframework.context.ApplicationContextAware
* @see org.springframework.context.EnvironmentAware
* @see org.springframework.context.Lifecycle
* @see org.springframework.core.env.Environment
* @see org.springframework.data.gemfire.support.SmartLifecycleSupport
* @see org.springframework.geode.data.CacheDataImporterExporter
* @see <a href="https://en.wikipedia.org/wiki/Decorator_pattern">Decorator Software Design Pattern</a>
* @since 1.3.0
*/
@SuppressWarnings("rawtypes")
public class LifecycleAwareCacheDataImporterExporter
implements ApplicationContextAware, CacheDataImporterExporter, EnvironmentAware, SmartLifecycleSupport {
protected static final int DEFAULT_IMPORT_PHASE = Integer.MIN_VALUE + 1000000;
protected static final String CACHE_DATA_IMPORT_LIFECYCLE_PROPERTY_NAME =
"spring.boot.data.gemfire.cache.data.import.lifecycle";
protected static final String CACHE_DATA_IMPORT_PHASE_PROPERTY_NAME =
"spring.boot.data.gemfire.cache.data.import.phase";
private final AtomicReference<ImportLifecycle> resolvedImportLifecycle = new AtomicReference<>(null);
private final AtomicReference<Integer> resolvedImportPhase = new AtomicReference<>(null);
private final CacheDataImporterExporter importerExporter;
private Environment environment;
private final Set<Region> regionsForImport = Collections.synchronizedSet(new HashSet<>());
/**
* Constructs a new instance of the {@link LifecycleAwareCacheDataImporterExporter} initialized with the given,
* target {@link CacheDataImporterExporter} that is wrapped by this implementation to decorate all cache import
* & export data operations in order to make them {@link Lifecycle} aware and capable.
*
* @param importerExporter {@link CacheDataImporterExporter} wrapped by this implementation to {@literal decorate}
* the cache data import/export operations to be {@link Lifecycle} aware and capable; must not be {@literal null}.
* @throws IllegalArgumentException if {@link CacheDataImporterExporter} is {@literal null}.
* @see org.springframework.geode.data.CacheDataImporterExporter
*/
public LifecycleAwareCacheDataImporterExporter(@NonNull CacheDataImporterExporter importerExporter) {
Assert.notNull(importerExporter, "The CacheDataImporterExporter to decorate must not be null");
this.importerExporter = importerExporter;
}
/**
* Configures a reference to the Spring {@link ApplicationContext}.
*
* @param applicationContext Spring {@link ApplicationContext} in which this component operates.
* @see org.springframework.context.ApplicationContext
*/
@Override
public void setApplicationContext(ApplicationContext applicationContext) {
CacheDataImporterExporter importerExporter = getCacheDataImporterExporter();
if (applicationContext != null && importerExporter instanceof ApplicationContextAware) {
((ApplicationContextAware) importerExporter).setApplicationContext(applicationContext);
}
}
/**
* Returns a reference to the configured {@link CacheDataImporterExporter} wrapped by this {@link Lifecycle} aware
* and capable {@link CacheDataImporterExporter}.
*
* @return the {@link CacheDataImporterExporter} enhanced and used as the delegate for this {@link Lifecycle} aware
* and capable {@link CacheDataImporterExporter}; never {@literal null}.
*/
protected @NonNull CacheDataImporterExporter getCacheDataImporterExporter() {
return this.importerExporter;
}
/**
* Configures a reference to the {@link Environment} used to access the configuration for the behavior of
* the cache data import.
*
* @param environment {@link Environment} used to access context specific configuration for the cache data import.
* @see org.springframework.core.env.Environment
*/
@Override
public void setEnvironment(Environment environment) {
this.environment = environment;
CacheDataImporterExporter importerExporter = getCacheDataImporterExporter();
if (environment != null && importerExporter instanceof EnvironmentAware) {
((EnvironmentAware) importerExporter).setEnvironment(environment);
}
}
/**
* Returns an {@link Optional}, configured reference to the {@link Environment} used to access the configuration
* for the behavior of the cache data import.
*
* If a reference to {@link Environment} was not configured, then this method will return {@link Optional#empty()}.
*
* @return an {@link Optional} reference to the configured {@link Environment}, or {@link Optional#empty()} if no
* {@link Environment} was configured.
* @see org.springframework.core.env.Environment
* @see #setEnvironment(Environment)
* @see java.util.Optional
*/
protected Optional<Environment> getEnvironment() {
return Optional.ofNullable(this.environment);
}
/**
* @inheritDoc
*/
@Override
public int getPhase() {
return resolveImportPhase();
}
Set<Region> getRegionsForImport() {
return this.regionsForImport;
}
/**
* Resolves the configured {@link ImportLifecycle}.
*
* The cache data import lifecycle is configured with the
* {@literal spring.boot.data.gemfire.cache.data.import.lifecycle} property
* in Spring Boot {@literal application.properties}.
*
* @return the configured {@link ImportLifecycle}.
* @see LifecycleAwareCacheDataImporterExporter.ImportLifecycle
*/
protected ImportLifecycle resolveImportLifecycle() {
return resolvedImportLifecycle.updateAndGet(currentValue -> currentValue != null ? currentValue
: getEnvironment()
.map(env -> env.getProperty(CACHE_DATA_IMPORT_LIFECYCLE_PROPERTY_NAME, String.class,
ImportLifecycle.getDefault().name()))
.map(ImportLifecycle::from)
.orElseGet(ImportLifecycle::getDefault));
}
/**
* Resolves the configured {@link SmartLifecycleSupport#getPhase() SmartLifecycle Phase} in which the cache data
* import will be performed.
*
* @return the configured {@link SmartLifecycleSupport#getPhase() SmartLifecycle Phase}.
* @see #getPhase()
*/
protected int resolveImportPhase() {
return resolvedImportPhase.updateAndGet(currentValue -> currentValue != null ? currentValue
: getEnvironment()
.map(env -> env.getProperty(CACHE_DATA_IMPORT_PHASE_PROPERTY_NAME, Integer.class, DEFAULT_IMPORT_PHASE))
.orElse(DEFAULT_IMPORT_PHASE));
}
/**
* @inheritDoc
*/
@NonNull @Override
public Region exportFrom(@NonNull Region region) {
return getCacheDataImporterExporter().exportFrom(region);
}
/**
* @inheritDoc
*/
@NonNull @Override
public Region importInto(@NonNull Region region) {
if (resolveImportLifecycle().isEager()) {
return getCacheDataImporterExporter().importInto(region);
}
else {
getRegionsForImport().add(region);
return region;
}
}
/**
* Performs the cache data import for each of the targeted {@link Region Regions}.
*/
@Override
public void start() {
// Technically, the resolveImportLifecycle().isLazy() check is not strictly required since if the cache data
// import is "eager", then the regionsForImport Set will be empty anyway.
if (resolveImportLifecycle().isLazy()) {
getRegionsForImport().forEach(getCacheDataImporterExporter()::importInto);
}
}
public enum ImportLifecycle {
EAGER("Imports cache data during Region bean post processing, after initialization"),
LAZY("Imports cache data during the appropriate phase on Lifecycle start");
private final String description;
ImportLifecycle(@NonNull String description) {
Assert.hasText(description, "The enumerated value must have a description");
this.description = description;
}
public static @NonNull ImportLifecycle getDefault() {
return LAZY;
}
public static @Nullable ImportLifecycle from(String name) {
for (ImportLifecycle importCycle : values()) {
if (importCycle.name().equalsIgnoreCase(name)) {
return importCycle;
}
}
return null;
}
public boolean isEager() {
return EAGER.equals(this);
}
public boolean isLazy() {
return LAZY.equals(this);
}
@Override
public String toString() {
return this.description;
}
}
}

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/*
* Copyright 2020 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.springframework.geode.data.support;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoInteractions;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import org.junit.Test;
import org.apache.geode.cache.Region;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.EnvironmentAware;
import org.springframework.core.env.Environment;
import org.springframework.geode.data.CacheDataImporterExporter;
import org.springframework.geode.data.support.LifecycleAwareCacheDataImporterExporter.ImportLifecycle;
/**
* Unit Tests for {@link LifecycleAwareCacheDataImporterExporter}.
*
* @author John Blum
* @see org.junit.Test
* @see org.mockito.Mockito
* @see org.apache.geode.cache.Region
* @see org.springframework.context.ApplicationContext
* @see org.springframework.core.env.Environment
* @see org.springframework.geode.data.CacheDataImporterExporter
* @see org.springframework.geode.data.support.LifecycleAwareCacheDataImporterExporter
* @since 1.3.0
*/
public class LifecycleAwareCacheDataImporterExporterUnitTests {
@Test
public void constructLifecycleAwareCacheDataImporterExporter() {
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
assertThat(importerExporter).isNotNull();
assertThat(importerExporter.getCacheDataImporterExporter()).isEqualTo(mockImporterExporter);
assertThat(importerExporter.getEnvironment().orElse(null)).isNull();
verifyNoInteractions(mockImporterExporter);
}
@Test(expected = IllegalArgumentException.class)
public void constructLifecycleAwareCacheDataImporterExporterWithNull() {
try {
new LifecycleAwareCacheDataImporterExporter(null);
}
catch (IllegalArgumentException expected) {
assertThat(expected).hasMessage("The CacheDataImporterExporter to decorate must not be null");
assertThat(expected).hasNoCause();
throw expected;
}
}
@Test
public void setApplicationContextOnWrappedCacheDataImporterExporter() {
ApplicationContext mockApplicationContext = mock(ApplicationContext.class);
ApplicationContextAndEnvironmentAwareCacheDataImporterExporter mockImporterExporter =
mock(ApplicationContextAndEnvironmentAwareCacheDataImporterExporter.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
assertThat(importerExporter.getCacheDataImporterExporter()).isEqualTo(mockImporterExporter);
importerExporter.setApplicationContext(mockApplicationContext);
importerExporter.setApplicationContext(null);
verify(mockImporterExporter, times(1)).setApplicationContext(eq(mockApplicationContext));
verifyNoMoreInteractions(mockImporterExporter);
}
@Test
public void setAndGetEnvironment() {
ApplicationContextAndEnvironmentAwareCacheDataImporterExporter mockImporterExporter =
mock(ApplicationContextAndEnvironmentAwareCacheDataImporterExporter.class);
Environment mockEnvironment = mock(Environment.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
assertThat(importerExporter.getCacheDataImporterExporter()).isEqualTo(mockImporterExporter);
assertThat(importerExporter.getEnvironment().orElse(null)).isNull();
importerExporter.setEnvironment(mockEnvironment);
assertThat(importerExporter.getEnvironment().orElse(null)).isEqualTo(mockEnvironment);
importerExporter.setEnvironment(null);
assertThat(importerExporter.getEnvironment().orElse(null)).isNull();
verify(mockImporterExporter, times(1)).setEnvironment(eq(mockEnvironment));
verifyNoMoreInteractions(mockImporterExporter);
}
@Test
public void resolveImportLifecycleCachesResultAndReturnsEager() {
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
Environment mockEnvironment = mock(Environment.class);
doReturn(ImportLifecycle.EAGER.name()).when(mockEnvironment)
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_LIFECYCLE_PROPERTY_NAME),
eq(String.class), eq(ImportLifecycle.getDefault().name()));
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
importerExporter.setEnvironment(mockEnvironment);
assertThat(importerExporter.getEnvironment().orElse(null)).isEqualTo(mockEnvironment);
assertThat(importerExporter.resolveImportLifecycle()).isEqualTo(ImportLifecycle.EAGER);
assertThat(importerExporter.resolveImportLifecycle()).isEqualTo(ImportLifecycle.EAGER);
verify(mockEnvironment, times(1))
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_LIFECYCLE_PROPERTY_NAME),
eq(String.class), eq(ImportLifecycle.getDefault().name()));
verifyNoInteractions(mockImporterExporter);
}
@Test
public void resolveImportLifecycleCachesResultAndReturnsLazy() {
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
Environment mockEnvironment = mock(Environment.class);
doReturn("INVALID").when(mockEnvironment)
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_LIFECYCLE_PROPERTY_NAME),
eq(String.class), eq(ImportLifecycle.getDefault().name()));
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
importerExporter.setEnvironment(mockEnvironment);
assertThat(importerExporter.getEnvironment().orElse(null)).isEqualTo(mockEnvironment);
assertThat(importerExporter.resolveImportLifecycle()).isEqualTo(ImportLifecycle.LAZY);
assertThat(importerExporter.resolveImportLifecycle()).isEqualTo(ImportLifecycle.LAZY);
verify(mockEnvironment, times(1))
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_LIFECYCLE_PROPERTY_NAME),
eq(String.class), eq(ImportLifecycle.getDefault().name()));
verifyNoInteractions(mockImporterExporter);
}
@Test
public void resolveImportPhaseCachesResultAndReturnsIntegerMinValuePlusOneMillion() {
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
Environment mockEnvironment = mock(Environment.class);
doReturn(42).when(mockEnvironment)
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_PHASE_PROPERTY_NAME),
eq(Integer.class), eq(LifecycleAwareCacheDataImporterExporter.DEFAULT_IMPORT_PHASE));
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
importerExporter.setEnvironment(mockEnvironment);
assertThat(importerExporter.getEnvironment().orElse(null)).isEqualTo(mockEnvironment);
assertThat(importerExporter.resolveImportPhase()).isEqualTo(42);
assertThat(importerExporter.resolveImportPhase()).isEqualTo(42);
verify(mockEnvironment, times(1))
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_PHASE_PROPERTY_NAME),
eq(Integer.class), eq(LifecycleAwareCacheDataImporterExporter.DEFAULT_IMPORT_PHASE));
verifyNoInteractions(mockImporterExporter);
}
@Test
public void resolveImportPhaseCachesResultAndReturnsDefaultImportPhase() {
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
Environment mockEnvironment = mock(Environment.class);
doReturn(null).when(mockEnvironment)
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_PHASE_PROPERTY_NAME),
eq(Integer.class), eq(LifecycleAwareCacheDataImporterExporter.DEFAULT_IMPORT_PHASE));
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
importerExporter.setEnvironment(mockEnvironment);
assertThat(importerExporter.getEnvironment().orElse(null)).isEqualTo(mockEnvironment);
assertThat(importerExporter.resolveImportPhase()).isEqualTo(LifecycleAwareCacheDataImporterExporter.DEFAULT_IMPORT_PHASE);
assertThat(importerExporter.resolveImportPhase()).isEqualTo(LifecycleAwareCacheDataImporterExporter.DEFAULT_IMPORT_PHASE);
verify(mockEnvironment, times(1))
.getProperty(eq(LifecycleAwareCacheDataImporterExporter.CACHE_DATA_IMPORT_PHASE_PROPERTY_NAME),
eq(Integer.class), eq(LifecycleAwareCacheDataImporterExporter.DEFAULT_IMPORT_PHASE));
verifyNoInteractions(mockImporterExporter);
}
@Test
public void exportFromRegionCallsWrappedCacheDataImporterExporterExportFrom() {
Region<?, ?> mockRegion = mock(Region.class);
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
new LifecycleAwareCacheDataImporterExporter(mockImporterExporter);
assertThat(importerExporter.getCacheDataImporterExporter()).isEqualTo(mockImporterExporter);
importerExporter.exportFrom(mockRegion);
verify(mockImporterExporter, times(1)).exportFrom(eq(mockRegion));
verifyNoMoreInteractions(mockImporterExporter);
}
@Test
public void importIntoRegionCallsWrappedCacheDataImporterExporterImmediatelyWhenImportLifecycleIsEager() {
Region<?, ?> mockRegionOne = mock(Region.class);
Region<?, ?> mockRegionTwo = mock(Region.class);
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
spy(new LifecycleAwareCacheDataImporterExporter(mockImporterExporter));
doReturn(ImportLifecycle.EAGER).when(importerExporter).resolveImportLifecycle();
assertThat(importerExporter.getCacheDataImporterExporter()).isEqualTo(mockImporterExporter);
assertThat(importerExporter.getRegionsForImport()).isEmpty();
importerExporter.importInto(mockRegionOne);
importerExporter.importInto(mockRegionTwo);
assertThat(importerExporter.getRegionsForImport()).isEmpty();
verify(mockImporterExporter, times(1)).importInto(eq(mockRegionOne));
verify(mockImporterExporter, times(1)).importInto(eq(mockRegionTwo));
verifyNoMoreInteractions(mockImporterExporter);
}
@Test
public void importIntoRegionStoresRegionReferenceWhenImportLifecycleIsLazy() {
Region<?, ?> mockRegionOne = mock(Region.class);
Region<?, ?> mockRegionTwo = mock(Region.class);
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
spy(new LifecycleAwareCacheDataImporterExporter(mockImporterExporter));
doReturn(ImportLifecycle.LAZY).when(importerExporter).resolveImportLifecycle();
assertThat(importerExporter.getCacheDataImporterExporter()).isEqualTo(mockImporterExporter);
assertThat(importerExporter.getRegionsForImport()).isEmpty();
importerExporter.importInto(mockRegionOne);
importerExporter.importInto(mockRegionTwo);
assertThat(importerExporter.getRegionsForImport()).containsExactlyInAnyOrder(mockRegionOne, mockRegionTwo);
verify(mockImporterExporter, never()).importInto(any());
verifyNoMoreInteractions(mockImporterExporter);
verifyNoInteractions(mockRegionOne, mockRegionTwo);
}
@Test
public void startImportsIntoRegionsWhenImportLifecycleIsLazy() {
Region<?, ?> mockRegionOne = mock(Region.class);
Region<?, ?> mockRegionTwo = mock(Region.class);
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
spy(new LifecycleAwareCacheDataImporterExporter(mockImporterExporter));
doReturn(ImportLifecycle.LAZY).when(importerExporter).resolveImportLifecycle();
importerExporter.getRegionsForImport().add(mockRegionOne);
importerExporter.getRegionsForImport().add(mockRegionTwo);
assertThat(importerExporter.getRegionsForImport()).containsExactlyInAnyOrder(mockRegionOne, mockRegionTwo);
importerExporter.start();
verify(mockImporterExporter, times(1)).importInto(eq(mockRegionOne));
verify(mockImporterExporter, times(1)).importInto(eq(mockRegionTwo));
verifyNoMoreInteractions(mockImporterExporter);
verifyNoInteractions(mockRegionOne, mockRegionTwo);
}
@Test
public void startDoesNothingWhenImportLifecycleIsEager() {
Region<?, ?> mockRegionOne = mock(Region.class);
Region<?, ?> mockRegionTwo = mock(Region.class);
CacheDataImporterExporter mockImporterExporter = mock(CacheDataImporterExporter.class);
LifecycleAwareCacheDataImporterExporter importerExporter =
spy(new LifecycleAwareCacheDataImporterExporter(mockImporterExporter));
doReturn(ImportLifecycle.EAGER).when(importerExporter).resolveImportLifecycle();
importerExporter.getRegionsForImport().add(mockRegionOne);
importerExporter.getRegionsForImport().add(mockRegionTwo);
assertThat(importerExporter.getRegionsForImport()).containsExactlyInAnyOrder(mockRegionOne, mockRegionTwo);
importerExporter.start();
assertThat(importerExporter.getRegionsForImport()).containsExactlyInAnyOrder(mockRegionOne, mockRegionTwo);
verify(mockImporterExporter, never()).importInto(any());
verifyNoInteractions(mockRegionOne, mockRegionTwo);
}
@Test
public void importLifecycleDefaultIsLazy() {
assertThat(ImportLifecycle.getDefault()).isEqualTo(ImportLifecycle.LAZY);
}
@Test
public void importLifecycleFromIsCaseInsensitive() {
assertThat(ImportLifecycle.from("Eager")).isEqualTo(ImportLifecycle.EAGER);
assertThat(ImportLifecycle.from("lazy")).isEqualTo(ImportLifecycle.LAZY);
}
@Test
public void importLifecycleFromReturnsEnum() {
for (ImportLifecycle enumeratedValue : ImportLifecycle.values()) {
assertThat(ImportLifecycle.from(enumeratedValue.name())).isEqualTo(enumeratedValue);
}
}
@Test
public void importLifecycleFromUnknownReturnsNull() {
assertThat(ImportLifecycle.from("UNKNOWN")).isNull();
}
@Test
public void importLifecycleIsEager() {
assertThat(ImportLifecycle.EAGER.isEager()).isTrue();
assertThat(ImportLifecycle.LAZY.isEager()).isFalse();
}
@Test
public void importLifecycleIsLazy() {
assertThat(ImportLifecycle.EAGER.isLazy()).isFalse();
assertThat(ImportLifecycle.LAZY.isLazy()).isTrue();
}
@Test
public void importLifecycleToStringIsDescriptive() {
assertThat(ImportLifecycle.EAGER.toString())
.isEqualTo("Imports cache data during Region bean post processing, after initialization");
assertThat(ImportLifecycle.LAZY.toString())
.isEqualTo("Imports cache data during the appropriate phase on Lifecycle start");
}
interface ApplicationContextAndEnvironmentAwareCacheDataImporterExporter
extends ApplicationContextAware, CacheDataImporterExporter, EnvironmentAware { }
}