| /* | |
| * (c) Copyright IBM Corp. 2000, 2001. | |
| * All Rights Reserved. | |
| */ | |
| package org.eclipse.compare.structuremergeviewer; | |
| import java.util.Iterator; | |
| import org.eclipse.compare.ITypedElement; | |
| /** | |
| * Interface used to compare hierarchical structures. | |
| * It is used by the differencing engine. | |
| * <p> | |
| * Clients typically implement this interface in an adaptor class which | |
| * wrappers the objects to be compared. | |
| * | |
| * @see org.eclipse.compare.ResourceNode | |
| * @see Differencer | |
| */ | |
| public interface IStructureComparator { | |
| /** | |
| * Returns an iterator for all children of this object or <code>null</code> | |
| * if there are no children. | |
| * | |
| * @return an array with all children of this object, or an empty array if there are no children | |
| */ | |
| Object[] getChildren(); | |
| /** | |
| * Returns whether some other object is "equal to" this one | |
| * with respect to a structural comparison. For example, when comparing | |
| * Java class methods, <code>equals</code> would return <code>true</code> | |
| * if two methods have the same signature (the argument names and the | |
| * method body might differ). | |
| * | |
| * @param other the reference object with which to compare | |
| * @return <code>true</code> if this object is the same as the other argument; <code>false</code> otherwise | |
| * @see java.lang.Object#equals | |
| */ | |
| boolean equals(Object other); | |
| } |