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.jdt.core.dom;

import java.util.ArrayList;
import java.util.List;

Boolean literal node.
BooleanLiteral:
		true
		false

Since:
2.0
@noinstantiate
This class is not intended to be instantiated by clients./**
 * Boolean literal node.
 *
 * <pre>
 * BooleanLiteral:
 * 		<b>true</b>
 * 		<b>false</b>
 * </pre>
 *
 * @since 2.0
 * @noinstantiate This class is not intended to be instantiated by clients.
 */
@SuppressWarnings("rawtypes")
public class BooleanLiteral extends Expression {

	
The "booleanValue" structural property of this node type (type: Boolean). 
Since:
3.0/**
	 * The "booleanValue" structural property of this node type (type: {@link Boolean}).
	 * @since 3.0
	 */
	public static final SimplePropertyDescriptor BOOLEAN_VALUE_PROPERTY =
		new SimplePropertyDescriptor(BooleanLiteral.class, "booleanValue", boolean.class, MANDATORY); //$NON-NLS-1$

	
A list of property descriptors (element type: StructuralPropertyDescriptor), or null if uninitialized. /**
	 * A list of property descriptors (element type:
	 * {@link StructuralPropertyDescriptor}),
	 * or null if uninitialized.
	 */
	private static final List PROPERTY_DESCRIPTORS;

	static {
		List properyList = new ArrayList(2);
		createPropertyList(BooleanLiteral.class, properyList);
		addProperty(BOOLEAN_VALUE_PROPERTY, properyList);
		PROPERTY_DESCRIPTORS = reapPropertyList(properyList);
	}

	
Returns a list of structural property descriptors for this node type.
Clients must not modify the result.
Params:
apiLevel – the API level; one of the
AST.JLS* constants
Returns:
a list of property descriptors (element type: StructuralPropertyDescriptor)
Since:
3.0/**
	 * Returns a list of structural property descriptors for this node type.
	 * Clients must not modify the result.
	 *
	 * @param apiLevel the API level; one of the
	 * <code>AST.JLS*</code> constants

	 * @return a list of property descriptors (element type:
	 * {@link StructuralPropertyDescriptor})
	 * @since 3.0
	 */
	public static List propertyDescriptors(int apiLevel) {
		return PROPERTY_DESCRIPTORS;
	}

	
The boolean; defaults to the literal for false.
/**
	 * The boolean; defaults to the literal for <code>false</code>.
	 */
	private boolean value = false;

	
Creates a new unparented boolean literal node owned by the given AST.

N.B. This constructor is package-private.

Params:
ast – the AST that is to own this node/**
	 * Creates a new unparented boolean literal node owned by the given AST.
	 * <p>
	 * N.B. This constructor is package-private.
	 * </p>
	 *
	 * @param ast the AST that is to own this node
	 */
	BooleanLiteral(AST ast) {
		super(ast);
	}

	@Override
	final List internalStructuralPropertiesForType(int apiLevel) {
		return propertyDescriptors(apiLevel);
	}

	@Override
	final boolean internalGetSetBooleanProperty(SimplePropertyDescriptor property, boolean get, boolean newValue) {
		if (property == BOOLEAN_VALUE_PROPERTY) {
			if (get) {
				return booleanValue();
			} else {
				setBooleanValue(newValue);
				return false;
			}
		}
		// allow default implementation to flag the error
		return super.internalGetSetBooleanProperty(property, get, newValue);
	}

	@Override
	final int getNodeType0() {
		return BOOLEAN_LITERAL;
	}

	@Override
	ASTNode clone0(AST target) {
		BooleanLiteral result = new BooleanLiteral(target);
		result.setSourceRange(getStartPosition(), getLength());
		result.setBooleanValue(booleanValue());
		return result;
	}

	@Override
	final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
		// dispatch to correct overloaded match method
		return matcher.match(this, other);
	}

	@Override
	void accept0(ASTVisitor visitor) {
		visitor.visit(this);
		visitor.endVisit(this);
	}

	
Returns the boolean value of this boolean literal node.
Returns:
true for the boolean literal spelled
   "true", and false for the boolean literal
   spelled "false"./**
	 * Returns the boolean value of this boolean literal node.
	 *
	 * @return <code>true</code> for the boolean literal spelled
	 *    <code>"true"</code>, and <code>false</code> for the boolean literal
	 *    spelled <code>"false"</code>.
	 */
	public boolean booleanValue() {
		return this.value;
	}

	
Sets the boolean value of this boolean literal node.
Params:
value – true for the boolean literal spelled
   "true", and false for the boolean literal
   spelled "false"./**
	 * Sets the boolean value of this boolean literal node.
	 *
	 * @param value <code>true</code> for the boolean literal spelled
	 *    <code>"true"</code>, and <code>false</code> for the boolean literal
	 *    spelled <code>"false"</code>.
	 */
	public void setBooleanValue(boolean value) {
		preValueChange(BOOLEAN_VALUE_PROPERTY);
		this.value = value;
		postValueChange(BOOLEAN_VALUE_PROPERTY);
	}

	@Override
	int memSize() {
		return BASE_NODE_SIZE + 1 * 4;
	}

	@Override
	int treeSize() {
		return memSize();
	}
}