apitools/org.eclipse.pde.api.tools/src/org/eclipse/pde/api/tools/internal/descriptors/FieldDescriptorImpl.java

/*******************************************************************************
 * Copyright (c) 2007, 2008 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.pde.api.tools.internal.descriptors;

import org.eclipse.pde.api.tools.internal.provisional.descriptors.IElementDescriptor;
import org.eclipse.pde.api.tools.internal.provisional.descriptors.IFieldDescriptor;
import org.eclipse.pde.api.tools.internal.provisional.descriptors.IReferenceTypeDescriptor;

/**
 * Description of a field.
 * 
 * @since 1.0.0
 */
public class FieldDescriptorImpl extends MemberDescriptorImpl implements IFieldDescriptor {
	
	/**
	 * Constructs a field descriptor with the given name, declared by the given type.
	 * 
	 * @param name field name
	 * @param parent type containing the field declaration
	 * @param modifiers modifiers
	 */
	FieldDescriptorImpl(String name, IReferenceTypeDescriptor parent, int modifiers) {
		super(name, parent, modifiers);
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		StringBuffer buffer = new StringBuffer();
		buffer.append(getEnclosingType().getQualifiedName());
		buffer.append("#"); //$NON-NLS-1$
		buffer.append(getName());
		return buffer.toString();
	}
	
	/* (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	public boolean equals(Object obj) {
		if (obj instanceof IFieldDescriptor) {
			IFieldDescriptor field = (IFieldDescriptor) obj;
			return getName().equals(field.getName()) && getEnclosingType().equals(field.getEnclosingType());
		}
		return false;
	}
	
	/* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	public int hashCode() {
		return getName().hashCode() + getEnclosingType().hashCode();
	}		
	
	/* (non-Javadoc)
	 * @see org.eclipse.pde.api.tools.model.component.IElementDescriptor#getElementType()
	 */
	public int getElementType() {
		return IElementDescriptor.T_FIELD;
	}	
}