/*
* 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.Value;
import co.cask.cdap.api.workflow.WorkflowToken;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Class to represent {@link WorkflowToken} for a given workflow run at a given node.
*/
public class WorkflowTokenNodeDetail {
private final Map<String, String> tokenDataAtNode;
public WorkflowTokenNodeDetail(Map<String, String> tokenDataAtNode) {
this.tokenDataAtNode = Collections.unmodifiableMap(new LinkedHashMap<>(tokenDataAtNode));
}
public Map<String, String> getTokenDataAtNode() {
return tokenDataAtNode;
}
/**
* Constructs a {@link WorkflowTokenNodeDetail} by flattening the {@link Value} from the output of
* {@link WorkflowToken#getAllFromNode(String, WorkflowToken.Scope)}.
*
* @param data the workflow token data at a given node to flatten
* @return {@link WorkflowTokenNodeDetail} from the given workflow token data at a node
*/
public static WorkflowTokenNodeDetail of(Map<String, Value> data) {
Map<String, String> flattened = new HashMap<>();
for (Map.Entry<String, Value> entry : data.entrySet()) {
flattened.put(entry.getKey(), entry.getValue().toString());
}
return new WorkflowTokenNodeDetail(flattened);
}
}