/*
* Copyright 2016 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.integration.aggregator;
import org.springframework.integration.store.MessageGroup;
/**
* An implementation of {@link ReleaseStrategy} that simply compares the current size of
* the message list to the expected 'sequenceSize'. It does not support releasing partial
* sequences. Correlating message handlers using this strategy do not check for duplicate
* sequence numbers.
* @author Gary Russell
* @since 4.3.4
*
*/
public class SimpleSequenceSizeReleaseStrategy implements ReleaseStrategy {
@Override
public boolean canRelease(MessageGroup group) {
return group.getSequenceSize() == group.size();
}
}