Copyright (c) 2000, 2013 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2013 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.internal.variables;

import org.eclipse.core.variables.IValueVariable;

Implementation of a value variable.
/**
 * Implementation of a value variable.
 */
public class ValueVariable extends StringVariable implements IValueVariable {

	
Variable value or null if none
/**
	 * Variable value or <code>null</code> if none
	 */
	private String fValue;

	
Whether this variable is read only.  If true, users cannot change the value.
/**
	 * Whether this variable is read only.  If true, users cannot change the value.
	 */
	private boolean fReadOnly;

	
Constructs a new value variable with the given name, description, read only
property and string value.  Value can be null.
Params:
name – variable name
description – variable description or null
readOnly – whether the variable should be a read only variable
value – the initial value of the variable or null/**
	 * Constructs a new value variable with the given name, description, read only
	 * property and string value.  Value can be null.
	 *
	 * @param name variable name
	 * @param description variable description or <code>null</code>
	 * @param readOnly whether the variable should be a read only variable
	 * @param value the initial value of the variable or <code>null</code>
	 */
	public ValueVariable(String name, String description, boolean readOnly, String value) {
		super(name, description, null);
		fReadOnly = readOnly;
		fValue = value;
	}

	@Override
	public void setValue(String value) {
		if (!isReadOnly()){
			fValue = value;
			StringVariableManager.getDefault().notifyChanged(this);
		}
	}

	@Override
	public String getValue() {
		return fValue;
	}

	@Override
	public boolean isReadOnly() {
		return fReadOnly;
	}

	@Override
	public boolean isContributed() {
		return false;
	}

}