| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| package org.eclipse.compare.structuremergeviewer; |
| |
| /** |
| * 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); |
| } |