/*
* 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.util.Set;
import org.springframework.util.CollectionUtils;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.execute.Execution;
import com.gemstone.gemfire.cache.execute.FunctionService;
/**
* Creates a GemFire {@link Execution} using {code}FunctionService.onRegion(Region region){code}
* @author David Turanski
*
*/
class RegionFunctionExecution extends AbstractFunctionExecution {
private final Region<?, ?> region;
private volatile Set<?> keys;
public RegionFunctionExecution(Region<?, ?> region) {
super();
this.region = region;
}
public RegionFunctionExecution setKeys(Set<?> keys) {
this.keys = keys;
return this;
}
protected Set<?> getKeys() {
return this.keys;
}
/* (non-Javadoc)
* @see org.springframework.data.gemfire.function.FunctionExecution#getExecution()
*/
@Override
protected Execution getExecution() {
Execution execution = FunctionService.onRegion(region);
if (!CollectionUtils.isEmpty(this.keys) ) {
execution = execution.withFilter(keys);
}
return execution;
}
}