http://www.eclipse.org/jdt: Java Development Tools Core (Eclipse Foundation) 
Copyright (c) 2000, 2008 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, 2008 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;


Common protocol for Java elements that contain other Java elements.

@noimplementThis interface is not intended to be implemented by clients.
/**
 * Common protocol for Java elements that contain other Java elements.
 *
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface IParent {

Returns the immediate children of this element.
Unless otherwise specified by the implementing element,
the children are in no particular order.

Throws:
  • JavaModelException – if this element does not exist or if an
     exception occurs while accessing its corresponding resource
Returns:the immediate children of this element
/**
 * Returns the immediate children of this element.
 * Unless otherwise specified by the implementing element,
 * the children are in no particular order.
 *
 * @exception JavaModelException if this element does not exist or if an
 *      exception occurs while accessing its corresponding resource
 * @return the immediate children of this element
 */
IJavaElement[] getChildren() throws JavaModelException;

Returns whether this element has one or more immediate children.
This is a convenience method, and may be more efficient than
testing whether getChildren is an empty array.

Throws:
  • JavaModelException – if this element does not exist or if an
     exception occurs while accessing its corresponding resource
Returns:true if the immediate children of this element, false otherwise
/**
 * Returns whether this element has one or more immediate children.
 * This is a convenience method, and may be more efficient than
 * testing whether <code>getChildren</code> is an empty array.
 *
 * @exception JavaModelException if this element does not exist or if an
 *      exception occurs while accessing its corresponding resource
 * @return true if the immediate children of this element, false otherwise
 */
boolean hasChildren() throws JavaModelException;
}