dataflowimpl.java

开发owl的API,提供了W3C规定标准接口,是目前比较少的API.

// The MIT License
//
// Copyright (c) 2004 Evren Sirin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

/*
 * Created on Dec 28, 2003
 *
 */
package org.mindswap.owls.process.impl;

import java.net.URI;
import java.util.ArrayList;

import org.mindswap.owls.process.DataFlow;
import org.mindswap.owls.process.DataFlowElement;
import org.mindswap.owls.process.Parameter;


/**
 * @author Evren Sirin
 *
 */
public class DataFlowImpl extends ArrayList implements DataFlow {
	/**
	 * 
	 */
	public DataFlowImpl() {
		super();
	}
	
	/* (non-Javadoc)
	 * @see org.mindswap.owls.process.DataFlow#get(int)
	 */
	public DataFlowElement dfeAt(int index) {		
		return (DataFlowElement) get(index);
	}

	/* (non-Javadoc)
	 * @see org.mindswap.owls.process.DataFlow#get(java..net.URI)
	 */
	public DataFlowElement getDFE(URI parameterURI) {
		for(int i = 0; i < size(); i++) {
			DataFlowElement dfe = dfeAt(i);
			
			if(dfe.getParameter(parameterURI) != null)
				return dfe;
		}
		
		return null;
	}

	/* (non-Javadoc)
	 * @see org.mindswap.owls.process.DataFlow#get(Parameter)
	 */
	public DataFlowElement getDFE(Parameter parameter) {
		for(int i = 0; i < size(); i++) {
			DataFlowElement dfe = dfeAt(i);
			
			if(dfe.contains(parameter))
				return dfe;
		}
		
		return null;
	}
}