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/*
* 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.tools.ant.taskdefs;
import java.util.Enumeration;
import java.util.Vector;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.TaskContainer;
/**
* Sequential is a container task - it can contain other Ant tasks. The nested
* tasks are simply executed in sequence. Sequential's primary use is to support
* the sequential execution of a subset of tasks within the {@link Parallel Parallel Task}
* <p>
* The sequential task has no attributes and does not support any nested
* elements apart from Ant tasks. Any valid Ant task may be embedded within the
* sequential task.</p>
* @since Ant 1.4
* @ant.task category="control"
*/
public class Sequential extends Task
implements TaskContainer {
/** Optional Vector holding the nested tasks */
private Vector nestedTasks = new Vector();
/**
* Add a nested task to Sequential.
* <p>
* @param nestedTask Nested task to execute Sequential
* <p>
*/
public void addTask(Task nestedTask) {
nestedTasks.addElement(nestedTask);
}
/**
* Execute all nestedTasks.
*
* @throws BuildException if one of the nested tasks fails.
*/
public void execute() throws BuildException {
for (Enumeration e = nestedTasks.elements(); e.hasMoreElements();) {
Task nestedTask = (Task) e.nextElement();
nestedTask.perform();
}
}
}
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