/*
* Copyright © 2015-2016 Cask Data, Inc.
*
* 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 co.cask.cdap.proto;
import co.cask.cdap.api.workflow.NodeValue;
import co.cask.cdap.api.workflow.Value;
import co.cask.cdap.api.workflow.WorkflowToken;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* Class to represent {@link WorkflowToken} for a give workflow run.
*/
public class WorkflowTokenDetail {
private final Map<String, List<NodeValueDetail>> tokenData;
public WorkflowTokenDetail(Map<String, List<NodeValueDetail>> tokenData) {
this.tokenData = deepCopy(tokenData);
}
public Map<String, List<NodeValueDetail>> getTokenData() {
return tokenData;
}
private static Map<String, List<NodeValueDetail>> deepCopy(Map<String, List<NodeValueDetail>> tokenData) {
Map<String, List<NodeValueDetail>> tokenDataCopy = new LinkedHashMap<>();
for (Map.Entry<String, List<NodeValueDetail>> entry : tokenData.entrySet()) {
tokenDataCopy.put(entry.getKey(), Collections.unmodifiableList(new ArrayList<>(entry.getValue())));
}
return Collections.unmodifiableMap(tokenDataCopy);
}
/**
* Constructs a {@link WorkflowTokenDetail} by flattening the {@link Value} from the output of
* {@link WorkflowToken#getAll(WorkflowToken.Scope)}.
*
* @param data the workflow token data to flatten
* @return {@link WorkflowTokenDetail} from the specified workflow token data
*/
public static WorkflowTokenDetail of(Map<String, List<NodeValue>> data) {
Map<String, List<NodeValueDetail>> converted = new HashMap<>();
for (Map.Entry<String, List<NodeValue>> entry : data.entrySet()) {
List<NodeValueDetail> convertedList = new ArrayList<>();
for (NodeValue nodeValue : entry.getValue()) {
convertedList.add(new NodeValueDetail(nodeValue.getNodeName(), nodeValue.getValue().toString()));
}
converted.put(entry.getKey(), convertedList);
}
return new WorkflowTokenDetail(converted);
}
/**
* Class to represent node -> value mapping for a given key in a {@link WorkflowToken}.
*/
public static class NodeValueDetail {
private final String node;
private final String value;
public NodeValueDetail(String node, String value) {
this.node = node;
this.value = value;
}
public String getNode() {
return node;
}
public String getValue() {
return value;
}
}
}