antliscence/src/main/org/apache/tools/ant/taskdefs/Sequential.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
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 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
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 *    if and wherever such third-party acknowlegements normally appear.
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
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 */
package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.Task;
import org.apache.tools.ant.TaskContainer;
import org.apache.tools.ant.BuildException;

import java.util.Vector;
import java.util.Enumeration;



/**
 * Implements a single threaded task execution.
 * <p>
 * @author Thomas Christen <a href="mailto:chr@active.ch">chr@active.ch</a>
 * @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.
     */
    public void execute() throws BuildException {
        for (Enumeration e = nestedTasks.elements(); e.hasMoreElements();) {
            Task nestedTask = (Task)e.nextElement();
            nestedTask.perform();
        }
    }
}