/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.studio.schemaeditor.model.hierarchy;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* This class represents the HierarchyWrapper.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class HierarchyWrapper
{
/** The wrapped object */
private Object wrappedObject;
/** The parent */
private Object parent;
/** The children */
private List<HierarchyWrapper> children = new ArrayList<HierarchyWrapper>();
/**
* Creates a new instance of HierarchyWrapper.
*
* @param obj
* the wrapped object
*/
public HierarchyWrapper( Object obj )
{
wrappedObject = obj;
parent = null;
}
/**
* Creates a new instance of HierarchyWrapper.
*
* @param obj
* the wrapped object
* @param parent
* the parent
*/
public HierarchyWrapper( Object obj, Object parent )
{
wrappedObject = obj;
this.parent = parent;
}
/**
* Adds a child.
*
* @param child
* the child
* @return
* true (as per the general contract of the Collection.add method).
*/
public boolean addChild( HierarchyWrapper child )
{
return children.add( child );
}
/**
* Appends all of the elements in the specified collection to the end
* of the children, in the order that they are returned by the specified
* collection's iterator (optional operation).
*
* @param collection
* the collection
* @return
* true if the children changed as a result of the call.
*/
public boolean addChildren( Collection<? extends HierarchyWrapper> children )
{
return this.children.addAll( children );
}
/**
* Indicates whether some other object is "equal to" this wrapped object.
*
* @param o
* the reference object with which to compare.
* @return
* true if this object is the same as the obj argument; false otherwise.
*/
public boolean equalsWrappedObject( Object obj )
{
if ( obj != null )
{
return obj.equals( wrappedObject );
}
return false;
}
/**
* Gets the children.
*
* @return
* the children
*/
public List<HierarchyWrapper> getChildren()
{
return children;
}
/**
* Gets the parent.
*
* @return
* the parent
*/
public Object getParent()
{
return parent;
}
/**
* Gets the wrapped object.
*
* @return
* the wrapped object
*/
public Object getWrappedObject()
{
return wrappedObject;
}
/**
* Removes a child.
*
* @param child
* the child
* @return
* true if the children contained the specified element.
*/
public boolean removeChild( HierarchyWrapper child )
{
return children.remove( child );
}
/**
* Removes from the children all the elements that are contained in
* the specified collection (optional operation).
*
* @param collection
* the collection
* @return
* true if the children changed as a result of the call.
*/
public boolean removeChildren( Collection<? extends HierarchyWrapper> children )
{
return this.children.removeAll( children );
}
/**
* Sets the children.
*
* @param children
* the children
*/
public void setChildren( List<HierarchyWrapper> children )
{
this.children = children;
}
/**
* Sets the parent.
*
* @param parent
* the parent
*/
public void setParent( Object parent )
{
this.parent = parent;
}
/**
* Sets the wrapped object.
*
* @param wrappedObject
* the wrapped object
*/
public void setWrappedObject( Object wrappedObject )
{
this.wrappedObject = wrappedObject;
}
/**
* {@inheritDoc}
*/
public String toString()
{
return "{|" + wrappedObject + "|" + children + "}"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}