001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 package org.apache.oozie.command.wf; 019 020 import org.apache.oozie.store.StoreException; 021 import org.apache.oozie.store.WorkflowStore; 022 import org.apache.oozie.store.Store; 023 import org.apache.oozie.util.ParamChecker; 024 import org.apache.oozie.util.XLog; 025 import org.apache.oozie.command.Command; 026 import org.apache.oozie.command.CommandException; 027 028 public class ExternalIdCommand extends WorkflowCommand<String> { 029 private String id; 030 031 public ExternalIdCommand(String id) { 032 super("externalId", "externalId", 1, XLog.STD); 033 this.id = ParamChecker.notEmpty(id, "id"); 034 } 035 036 @Override 037 protected String call(WorkflowStore store) throws StoreException, CommandException { 038 return store.getWorkflowIdForExternalId(id); 039 } 040 041 }