org.springframework.data.gemfire.function.execution.OnRegionFunctionProxyFactoryBean Maven / Gradle / Ivy
/*
* Copyright 2002-2013 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
*
* http://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.data.gemfire.function.execution;
import java.lang.reflect.Method;
import java.util.Set;
import org.springframework.data.gemfire.util.ArrayUtils;
/**
* @author David Turanski
* @author John Blum
*/
public class OnRegionFunctionProxyFactoryBean extends GemfireFunctionProxyFactoryBean {
private OnRegionExecutionMethodMetadata methodMetadata;
/**
* @param serviceInterface the Service class interface specifying the operations to proxy.
* @param gemfireOnRegionOperations an {@link GemfireOnRegionOperations} instance
*/
public OnRegionFunctionProxyFactoryBean(Class serviceInterface, GemfireOnRegionOperations gemfireOnRegionOperations) {
super(serviceInterface, gemfireOnRegionOperations);
methodMetadata = new OnRegionExecutionMethodMetadata(serviceInterface);
}
@Override
protected Iterable invokeFunction(Method method, Object[] args) {
GemfireOnRegionOperations gemfireOnRegionOperations = (GemfireOnRegionOperations) getGemfireFunctionOperations();
OnRegionMethodMetadata onRegionMethodMetadata = methodMetadata.getMethodMetadata(method);
int filterArgPosition = onRegionMethodMetadata.getFilterArgPosition();
String functionId = onRegionMethodMetadata.getFunctionId();
Set filter = null;
/*
* extract filter from args if necessary
*/
if (filterArgPosition >= 0) {
filter = (Set) args[filterArgPosition];
args = ArrayUtils.remove(args, filterArgPosition);
}
return (filter == null ? gemfireOnRegionOperations.execute(functionId, args)
: gemfireOnRegionOperations.execute(functionId, filter, args));
}
}