/*
* 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.nifi.processor.util.pattern;
import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.processor.Relationship;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class RoutingResult {
private final Map<Relationship, List<FlowFile>> routedFlowFiles = new HashMap<>();
public void routeTo(final FlowFile flowFile, final Relationship relationship) {
routedFlowFiles.computeIfAbsent(relationship, r -> new ArrayList<>()).add(flowFile);
}
public void routeTo(final List<FlowFile> flowFiles, final Relationship relationship) {
routedFlowFiles.computeIfAbsent(relationship, r -> new ArrayList<>()).addAll(flowFiles);
}
public void merge(final RoutingResult r) {
r.getRoutedFlowFiles().forEach((relationship, routedFlowFiles) -> routeTo(routedFlowFiles, relationship));
}
public Map<Relationship, List<FlowFile>> getRoutedFlowFiles() {
return routedFlowFiles;
}
public boolean contains(Relationship relationship) {
return routedFlowFiles.containsKey(relationship) && !routedFlowFiles.get(relationship).isEmpty();
}
}