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NotEmpty.java
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NotEmpty.java
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/*
* Copyright © 2014 - 2019 Leipzig University (Database Research Group)
*
* 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.gradoop.flink.algorithms.fsm.transactional.common.functions;
import org.apache.flink.api.common.functions.FilterFunction;
import org.gradoop.flink.model.impl.layouts.transactional.tuples.GraphTransaction;
/**
* {@code (g, V, E) => true, if E not empty}
*/
public class NotEmpty implements FilterFunction<GraphTransaction> {
@Override
public boolean filter(GraphTransaction graphTransaction) throws Exception {
return !graphTransaction.getEdges().isEmpty();
}
}