groundingimpl.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 27, 2003
 *
 */
package org.mindswap.owls.grounding.impl;

import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;

import org.mindswap.owl.impl.OWLResourceImpl;
import org.mindswap.owls.grounding.AtomicGrounding;
import org.mindswap.owls.grounding.Grounding;
import org.mindswap.owls.process.AtomicProcess;
import org.mindswap.owls.service.Service;

import com.hp.hpl.jena.rdf.model.Resource;

/**
 * @author Evren Sirin
 *
 */
public class GroundingImpl extends OWLResourceImpl implements Grounding {
	Service service = null;
	Hashtable groundings = new Hashtable();
	
	/**
	 * @param resource
	 */
	public GroundingImpl(Resource resource) {
		super(resource);
	}

	/* (non-Javadoc)
	 * @see org.mindswap.owls.grounding.Grounding#getGrounding(org.mindswap.owls.process.AtomicProcess)
	 */
	public AtomicGrounding getAtomicGrounding(AtomicProcess process) {
		List list = getAtomicGroundings(process);
		if(list == null)
			return null;		
			
		return (AtomicGrounding) list.get(0);
	}

	/* (non-Javadoc)
	 * @see org.mindswap.owls.grounding.Grounding#getGrounding(org.mindswap.owls.process.AtomicProcess)
	 */
	public List getAtomicGroundings() {
		ArrayList list = new ArrayList();
		Iterator i = groundings.values().iterator();
		while(i.hasNext())
			list.addAll((List) i.next());
		
		return list;
	}
	
	/* (non-Javadoc)
	 * @see org.mindswap.owls.grounding.Grounding#getGrounding(org.mindswap.owls.process.AtomicProcess)
	 */
	public List getAtomicGroundings(AtomicProcess process) {
		return (List) groundings.get(process);
	}
	
	/* (non-Javadoc)
	 * @see org.mindswap.owls.grounding.Grounding#addGrounding(org.mindswap.owls.grounding.AtomicProcessGrounding)
	 */
	public void addGrounding(AtomicGrounding apg) {
		List list = getAtomicGroundings(apg.getProcess());
		if(list == null) {
			list = new ArrayList();
			groundings.put(apg.getProcess(), list);			
		}
		
		list.add(apg);
	}
	/**
	 * @return Returns the service.
	 */
	public Service getService() {
		return service;
	}

	/**
	 * @param service The service to set.
	 */
	public void setService(Service service) {
		this.service = service;
		if(service.getGrounding() != this)
			service.setGrounding(this);
	}

}