Variable.java

/*******************************************************************************
 * Copyright (c) 2005, 2007 committers of openArchitectureWare and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     committers of openArchitectureWare - initial API and implementation
 *******************************************************************************/

package org.eclipse.xtend.expression;

/**
 * @author Sven Efftinge (http://www.efftinge.de)
 * @author Arno Haase
 */
public class Variable {

    private String name;

    private Object value;

    public Variable(final String name, final Object value) {
        if (name == null)
            throw new IllegalArgumentException("name must not be null!");
        this.name = name;
        this.value = value;
    }

    public Object getValue() {
        return value;
    }

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

    public String getName() {
        return name;
    }

    @Override
    public int hashCode() {
        final int PRIME = 31;
        int result = 1;
        result = PRIME * result + ((name == null) ? 0 : name.hashCode());
        result = PRIME * result + ((value == null) ? 0 : value.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        final Variable other = (Variable) obj;
        if (name == null) {
            if (other.name != null)
                return false;
        } else if (!name.equals(other.name))
            return false;
        if (value == null) {
            if (other.value != null)
                return false;
        } else if (!value.equals(other.value))
            return false;
        return true;
    }

    @Override
	public String toString () {
        return "Variable [" + name + "="+ value + "]";
    }
}