org.apache.flink.runtime.state.gemini.engine.filter.CompositeStateFilter Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.flink.runtime.state.gemini.engine.filter;
import org.apache.flink.runtime.state.gemini.engine.GRegionContext;
import java.util.ArrayList;
import java.util.List;
/**
* An implementation of {@link StateFilter} which composites of
* a collection of {@link StateFilter}s.
*/
public class CompositeStateFilter implements StateFilter {
private List stateFilterList;
public CompositeStateFilter() {
this.stateFilterList = new ArrayList<>();
}
public void addStateFilter(StateFilter stateFilter) {
this.stateFilterList.add(stateFilter);
}
@Override
public boolean filter(GRegionContext gRegionContext, long seqID) {
for (StateFilter stateFilter : stateFilterList) {
if (stateFilter.filter(gRegionContext, seqID)) {
return true;
}
}
return false;
}
}