| package org.eclipse.ui.internal.texteditor.quickdiff.compare.equivalence; |
| |
| /** |
| * Value objects. Subclasses must override <code>equals</code> and are |
| * typically <code>final</code>. |
| * |
| * @since 3.2 |
| */ |
| public abstract class Hash implements Cloneable { |
| |
| public Object clone() { |
| try { |
| return super.clone(); |
| } catch (CloneNotSupportedException x) { |
| throw new AssertionError(x); |
| } |
| } |
| |
| /** |
| * Returns <code>true</code> if the two hashes are equal, |
| * <code>false</code> if not. Subclasses must override. |
| * |
| * @param obj {@inheritDoc} |
| * @return <code>true</code> if the receiver is equal to <code>obj</code> |
| */ |
| public abstract boolean equals(Object obj); |
| |
| } |
