mathresource.java

globus toolkit Math例子

package org.globus.examples.services.core.rl.impl;

import java.util.Calendar;

import org.globus.wsrf.Resource;
import org.globus.wsrf.ResourceIdentifier;
import org.globus.wsrf.ResourceProperties;
import org.globus.wsrf.ResourceLifetime;
import org.globus.wsrf.ResourceProperty;
import org.globus.wsrf.ResourcePropertySet;
import org.globus.wsrf.impl.SimpleResourcePropertyMetaData;
import org.globus.wsrf.impl.SimpleResourcePropertySet;
import org.globus.wsrf.impl.ReflectionResourceProperty;

public class MathResource implements Resource, ResourceIdentifier,
		ResourceProperties, ResourceLifetime {

	/* Resource Property set */
	private ResourcePropertySet propSet;

	/* Resource key. This uniquely identifies this resource. */
	private Object key;

	/* Resource properties */
	private int value;
	private String lastOp;
	private Calendar terminationTime;
	
	/* Initializes RPs and returns a unique identifier for this resource */
	public Object initialize() throws Exception {
		this.key = new Integer(hashCode());
		this.propSet = new SimpleResourcePropertySet(
				MathQNames.RESOURCE_PROPERTIES);

		try {
			ResourceProperty valueRP = new ReflectionResourceProperty(
					MathQNames.RP_VALUE, "Value", this);
			this.propSet.add(valueRP);
			setValue(0);

			ResourceProperty lastOpRP = new ReflectionResourceProperty(
					MathQNames.RP_LASTOP, "LastOp", this);
			this.propSet.add(lastOpRP);
			setLastOp("NONE");
			
			ResourceProperty termTimeRP = new ReflectionResourceProperty(
					SimpleResourcePropertyMetaData.TERMINATION_TIME, this);
			this.propSet.add(termTimeRP);
					
			ResourceProperty currTimeRP = new ReflectionResourceProperty(
					SimpleResourcePropertyMetaData.CURRENT_TIME, this);
			this.propSet.add(currTimeRP);
		} catch (Exception e) {
			throw new RuntimeException(e.getMessage());
		}

		return key;
	}

	/* Get/Setters for the RPs */
	public int getValue() {
		return value;
	}

	public void setValue(int value) {
		this.value = value;
	}

	public String getLastOp() {
		return lastOp;
	}

	public void setLastOp(String lastOp) {
		this.lastOp = lastOp;
	}

	/* Required by interface ResourceProperties */
	public ResourcePropertySet getResourcePropertySet() {
		return this.propSet;
	}

	/* Required by interface ResourceIdentifier */
	public Object getID() {
		return this.key;
	}

	/* Required by interface ResourceLifetime */
	public Calendar getCurrentTime() {
		return Calendar.getInstance();
	}

	public Calendar getTerminationTime() {
		return this.terminationTime;
	}

	public void setTerminationTime(Calendar terminationTime) {
		this.terminationTime=terminationTime;
	}
}