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SGF-151 Add support for ResultSender parameter in Function implementations

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This commit is contained in:
David Turanski
2013-02-05 09:29:05 -05:00
parent c45677c99d
commit 11dce8858b
3 changed files with 209 additions and 157 deletions
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15
src/main/java/org/springframework/data/gemfire/function/FunctionContextInjectingArgumentResolver.java
View File

@@ -27,6 +27,7 @@ import org.springframework.util.Assert;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.execute.FunctionContext;
import com.gemstone.gemfire.cache.execute.RegionFunctionContext;
import com.gemstone.gemfire.cache.execute.ResultSender;
import com.gemstone.gemfire.cache.partition.PartitionRegionHelper;
@@ -40,7 +41,8 @@ public class FunctionContextInjectingArgumentResolver extends DefaultFunctionArg
private final int regionParameterPosition;
private final int filterParameterPosition;
private final int functionContextParameterPosition;
private final int functionContextParameterPosition;
private final int resultSenderParameterPosition;
private final Method method;
public FunctionContextInjectingArgumentResolver(Method method) {
@@ -62,13 +64,13 @@ public class FunctionContextInjectingArgumentResolver extends DefaultFunctionArg
tempRegionParameterPosition = regionTypeParameterPosition;
}
regionParameterPosition = tempRegionParameterPosition;
regionParameterPosition = tempRegionParameterPosition;
filterParameterPosition = GemfireFunctionUtils.getAnnotationParameterPosition(method, Filter.class, new Class[]{Set.class});
functionContextParameterPosition = getArgumentTypePosition(method,FunctionContext.class);
resultSenderParameterPosition = getArgumentTypePosition(method,ResultSender.class);
if (regionParameterPosition >=0 && filterParameterPosition >=0) {
Assert.state(regionParameterPosition != filterParameterPosition, "region parameter and filter parameter must be different");
Assert.state(regionParameterPosition != filterParameterPosition, "region parameter and filter parameter must be different");
}
}
@@ -91,12 +93,15 @@ public class FunctionContextInjectingArgumentResolver extends DefaultFunctionArg
args = ArrayUtils.insert(args, functionContextParameterPosition, functionContext);
}
if (this.resultSenderParameterPosition >=0 ) {
args = ArrayUtils.insert(args, resultSenderParameterPosition, functionContext.getResultSender());
}
}
Assert.isTrue(args.length == method.getParameterTypes().length,
String.format("wrong number of arguments for method %s. Expected :%d, actual: %d", method.getName(),
method.getParameterTypes().length, args.length));
return args;

47
src/main/java/org/springframework/data/gemfire/function/config/GemfireFunctionUtils.java
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@@ -51,20 +51,22 @@ public abstract class GemfireFunctionUtils {
if (attributes.containsKey("HA")) {
function.setHA((Boolean) attributes.get("HA"));
}
if (attributes.containsKey("optimizeForWrite")) {
function.setOptimizeForWrite((Boolean) attributes.get("optimizeForWrite"));
}
if (attributes.containsKey("batchSize")) {
int batchSize = (Integer) attributes.get("batchSize");
Assert.isTrue(batchSize >= 0, String.format("batchSize must be a non-negative value %s.%s",
target.getClass().getName(), method.getName()));
Assert.isTrue(
batchSize >= 0,
String.format("batchSize must be a non-negative value %s.%s", target.getClass().getName(),
method.getName()));
function.setBatchSize(batchSize);
}
if (attributes.containsKey("hasResult")) {
boolean hasResult = (Boolean)attributes.get("hasResult");
boolean hasResult = (Boolean) attributes.get("hasResult");
//Only set if true
if (hasResult) {
function.setHasResult(hasResult);
@@ -79,7 +81,7 @@ public abstract class GemfireFunctionUtils {
FunctionService.unregisterFunction(function.getId());
}
}
if (!FunctionService.isRegistered(function.getId())) {
FunctionService.registerFunction(function);
if (log.isDebugEnabled()) {
@@ -87,11 +89,11 @@ public abstract class GemfireFunctionUtils {
}
} else {
if (log.isDebugEnabled()) {
log.debug("function " + function.getId()+ "is already registered");
log.debug("function " + function.getId() + "is already registered");
}
}
}
/**
* Determine the order position of a an annotated method parameter
*
@@ -100,26 +102,37 @@ public abstract class GemfireFunctionUtils {
* @param requiredTypes an array of valid parameter types for the annotation
* @return the parameter position or -1 if the annotated parameter is not found
*/
public static int getAnnotationParameterPosition(Method method, Class<?> targetAnnotationType, Class<?>[] requiredTypes) {
public static int getAnnotationParameterPosition(Method method, Class<?> targetAnnotationType,
Class<?>[] requiredTypes) {
Annotation[][] parameterAnnotations = method.getParameterAnnotations();
if (parameterAnnotations.length > 0) {
int position = -1;
Class<?>[] paramTypes = method.getParameterTypes();
List<Class<?>> requiredTypesList = Arrays.asList(requiredTypes);
for (int i = 0; i < parameterAnnotations.length; i++) {
Annotation[] annotations = parameterAnnotations[i];
if (annotations.length > 0) {
for (Annotation annotation : annotations) {
if (annotation.annotationType().equals(targetAnnotationType)) {
Assert.state(position < 0, String.format("Method %s signature cannot contain more than one parameter annotated with type %s"
,method.getName(),targetAnnotationType.getName()));
Assert.isTrue(requiredTypesList.contains(paramTypes[i]), String.format(
"Parameter annotated with %s must be one of type %s in method %s", targetAnnotationType.getName(),
Assert.state(
position < 0,
String.format(
"Method %s signature cannot contain more than one parameter annotated with type %s",
method.getName(), targetAnnotationType.getName()));
boolean isRequiredType = false;
for (Class<?> requiredType: requiredTypesList) {
if (requiredType.isAssignableFrom(paramTypes[i])) {
isRequiredType = true;
break;
}
}
Assert.isTrue(isRequiredType, String.format(
"Parameter of type %s annotated with %s must be assignable from one of type %s in method %s",
paramTypes[i], targetAnnotationType.getName(),
StringUtils.arrayToCommaDelimitedString(requiredTypes), method.getName()));
position = i;
position = i;
}
}

304
src/test/java/org/springframework/data/gemfire/function/FunctionArgumentResolverTest.java
View File

@@ -30,6 +30,7 @@ import org.springframework.data.gemfire.function.config.RegionData;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.execute.FunctionContext;
import com.gemstone.gemfire.cache.execute.RegionFunctionContext;
import com.gemstone.gemfire.cache.execute.ResultSender;
/**
* @author David Turanski
@@ -38,250 +39,283 @@ import com.gemstone.gemfire.cache.execute.RegionFunctionContext;
public class FunctionArgumentResolverTest {
@Test
public void testDefaultFunctionArgumentResolverSingleArg() {
public void testDefaultFunctionArgumentResolverSingleArg() {
FunctionArgumentResolver far = new DefaultFunctionArgumentResolver();
FunctionContext functionContext = mock(FunctionContext.class);
when(functionContext.getArguments()).thenReturn("hello");
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(1,args.length);
assertEquals(1, args.length);
assertEquals("hello", args[0]);
}
@Test
public void testDefaultFunctionArgumentResolverSingleArgAsArray() {
FunctionArgumentResolver far = new DefaultFunctionArgumentResolver();
FunctionContext functionContext = mock(FunctionContext.class);
when(functionContext.getArguments()).thenReturn(new String[]{"hello"});
when(functionContext.getArguments()).thenReturn(new String[] { "hello" });
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(1,args.length);
assertEquals(1, args.length);
assertEquals("hello", args[0]);
}
@Test
public void testMethodWithNoSpecialArgs() throws SecurityException, NoSuchMethodException {
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithNoSpecialArgs", String.class,int.class,boolean.class);
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithNoSpecialArgs", String.class, int.class,
boolean.class);
FunctionArgumentResolver far = new FunctionContextInjectingArgumentResolver(method);
Object[] originalArgs = new Object[]{"hello",0,false};
Object[] originalArgs = new Object[] { "hello", 0, false };
when(functionContext.getArguments()).thenReturn(originalArgs);
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(originalArgs.length, args.length);
int i = 0;
for (Object arg: args) {
assertSame(originalArgs[i++], arg);
}
for (Object arg : args) {
assertSame(originalArgs[i++], arg);
}
}
@Test
public void testMethodWithRegionType() throws SecurityException, NoSuchMethodException {
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
@SuppressWarnings("unchecked")
Region<Object,Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithRegionType", String.class,Region.class);
Region<Object, Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithRegionType", String.class, Region.class);
FunctionArgumentResolver far = new FunctionContextInjectingArgumentResolver(method);
Object[] originalArgs = new Object[]{"hello"};
Object[] originalArgs = new Object[] { "hello" };
when(functionContext.getArguments()).thenReturn(originalArgs);
when(functionContext.getDataSet()).thenReturn(region);
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(originalArgs.length + 1, args.length);
int i = 0;
for (Object arg: args) {
if (i != 1) {
assertSame(originalArgs[i++], arg);
} else {
assertSame(region,arg);
}
}
for (Object arg : args) {
if (i != 1) {
assertSame(originalArgs[i++], arg);
} else {
assertSame(region, arg);
}
}
}
@Test
public void testMethodWithOneArgRegionType() throws SecurityException, NoSuchMethodException {
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
@SuppressWarnings("unchecked")
Region<Object,Object> region = mock(Region.class);
Region<Object, Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithOneArgRegionType", Region.class);
FunctionArgumentResolver far = new FunctionContextInjectingArgumentResolver(method);
Object[] originalArgs = new Object[]{};
Object[] originalArgs = new Object[] {};
when(functionContext.getArguments()).thenReturn(originalArgs);
when(functionContext.getDataSet()).thenReturn(region);
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(1, args.length);
assertSame(region,args[0]);
assertSame(region, args[0]);
}
@Test
public void testMethodWithAnnotatedRegion() throws SecurityException, NoSuchMethodException {
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
@SuppressWarnings("unchecked")
Region<Object,Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithAnnotatedRegion", Map.class, String.class);
Region<Object, Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithAnnotatedRegion", Region.class, String.class);
FunctionArgumentResolver far = new FunctionContextInjectingArgumentResolver(method);
Object[] originalArgs = new Object[]{"hello"};
Object[] originalArgs = new Object[] { "hello" };
when(functionContext.getArguments()).thenReturn(originalArgs);
when(functionContext.getDataSet()).thenReturn(region);
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(2, args.length);
assertSame(region,args[0]);
assertSame(originalArgs[0],args[1]);
assertSame(region, args[0]);
assertSame(originalArgs[0], args[1]);
}
@Test
public void testMethodWithFunctionContext() throws SecurityException, NoSuchMethodException {
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
@SuppressWarnings("unchecked")
Region<Object,Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithFunctionContext", Map.class, String.class, FunctionContext.class);
Region<Object, Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithFunctionContext", Map.class, String.class,
FunctionContext.class);
FunctionArgumentResolver far = new FunctionContextInjectingArgumentResolver(method);
Object[] originalArgs = new Object[]{"hello"};
Object[] originalArgs = new Object[] { "hello" };
when(functionContext.getArguments()).thenReturn(originalArgs);
when(functionContext.getDataSet()).thenReturn(region);
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(3, args.length);
assertSame(region,args[0]);
assertSame(originalArgs[0],args[1]);
assertSame(functionContext,args[2]);
assertSame(region, args[0]);
assertSame(originalArgs[0], args[1]);
assertSame(functionContext, args[2]);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testMethodWithResultSender () throws SecurityException, NoSuchMethodException {
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
ResultSender resultSender = mock(ResultSender.class);
Region<Object, Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithResultSender", Map.class, ResultSender.class);
FunctionArgumentResolver far = new FunctionContextInjectingArgumentResolver(method);
Object[] originalArgs = new Object[] { };
when(functionContext.getArguments()).thenReturn(originalArgs);
when(functionContext.getDataSet()).thenReturn(region);
when(functionContext.getResultSender()).thenReturn(resultSender);
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(2, args.length);
assertSame(region, args[0]);
assertSame(resultSender, args[1]);
}
@SuppressWarnings("unchecked")
@Test
public void testMethodWithFilterAndRegion() throws SecurityException, NoSuchMethodException {
RegionFunctionContext functionContext = mock(RegionFunctionContext.class);
Region<Object,Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithFilterAndRegion", Map.class, Set.class, Object.class);
Region<Object, Object> region = mock(Region.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithFilterAndRegion", Map.class, Set.class,
Object.class);
FunctionArgumentResolver far = new FunctionContextInjectingArgumentResolver(method);
Object[] originalArgs = new Object[]{new Object()};
Object[] originalArgs = new Object[] { new Object() };
when(functionContext.getArguments()).thenReturn(originalArgs);
when(functionContext.getDataSet()).thenReturn(region);
@SuppressWarnings("rawtypes")
Set keys = new HashSet<String>();
when(functionContext.getFilter()).thenReturn(keys);
Object[] args = far.resolveFunctionArguments(functionContext);
assertEquals(3, args.length);
assertSame(region,args[0]);
assertSame(originalArgs[0],args[2]);
assertSame(keys,args[1]);
assertSame(region, args[0]);
assertSame(originalArgs[0], args[2]);
assertSame(keys, args[1]);
}
@Test
public void testMethodWithMultipleRegionData() throws SecurityException, NoSuchMethodException {
Method method = TestFunction.class.getDeclaredMethod("methodWithMultipleRegionData", Map.class, Map.class);
try {
new FunctionContextInjectingArgumentResolver(method);
fail("Should throw exception");
} catch (Exception e) {
}
}
@Test
public void testMethodWithMultipleRegions() throws SecurityException, NoSuchMethodException {
Method method = TestFunction.class.getDeclaredMethod("methodWithMultipleRegions", Region.class, Map.class);
try {
new FunctionContextInjectingArgumentResolver(method);
fail("Should throw exception");
} catch (Exception e) {
}
}
@Test
public void testMethodWithInvalidTypeForAnnotation() throws SecurityException, NoSuchMethodException {
Method method = TestFunction.class.getDeclaredMethod("methodWithInvalidTypeForAnnotation", Region.class);
try {
new FunctionContextInjectingArgumentResolver(method);
fail("Should throw exception");
} catch (Exception e) {
}
}
}
@Test
public void testMethodWithMultipleFunctionContext() throws SecurityException, NoSuchMethodException {
Method method = TestFunction.class.getDeclaredMethod("methodWithMultipleFunctionContext", FunctionContext.class, FunctionContext.class);
Method method = TestFunction.class.getDeclaredMethod("methodWithMultipleFunctionContext",
FunctionContext.class, FunctionContext.class);
try {
new FunctionContextInjectingArgumentResolver(method);
fail("Should throw exception");
} catch (Exception e) {
}
}
}
static class TestFunction {
public void methodWithNoSpecialArgs(String s1, int i1, boolean b1) {
}
public void methodWithRegionType(String s1, Region<?, ?> region) {
}
public void methodWithOneArgRegionType(Region<?, ?> region) {
}
public void methodWithAnnotatedRegion(@RegionData Region<?, ?> data, String s1) {
}
public void methodWithFunctionContext(@RegionData Map<?, ?> data, String s1, FunctionContext fc) {
}
public void methodWithResultSender(@RegionData Map<?, ?> data, ResultSender<?> resultSender) {
}
public void methodWithFilterAndRegion(@RegionData Map<String, Object> region, @Filter Set<String> keys,
Object arg) {
}
//Invalid Method Signatures
public void methodWithMultipleRegionData(@RegionData Map<?, ?> r1, @RegionData Map<?, ?> r2) {
}
public void methodWithMultipleRegions(Region<?, ?> r1, @RegionData Map<?, ?> r2) {
}
public void methodWithInvalidTypeForAnnotation(@Filter Region<?, ?> r1) {
}
public void methodWithMultipleFunctionContext(FunctionContext fc1, FunctionContext fc2) {
}
}
static class TestFunction {
public void methodWithNoSpecialArgs(String s1, int i1, boolean b1) {}
public void methodWithRegionType(String s1, Region<?,?> region){}
public void methodWithOneArgRegionType(Region<?,?> region){}
public void methodWithAnnotatedRegion(@RegionData Map<?,?> data, String s1){}
public void methodWithFunctionContext(@RegionData Map<?,?> data, String s1, FunctionContext fc){}
public void methodWithFilterAndRegion(@RegionData Map<String,Object> region, @Filter Set<String> keys, Object arg){}
//Invalid Method Signatures
public void methodWithMultipleRegionData(@RegionData Map<?,?> r1, @RegionData Map<?,?> r2){}
public void methodWithMultipleRegions(Region<?,?> r1, @RegionData Map<?,?> r2){}
public void methodWithInvalidTypeForAnnotation(@Filter Region<?,?> r1){}
public void methodWithMultipleFunctionContext(FunctionContext fc1, FunctionContext fc2){}
}
}