add PredicateTools.isNotEqual(...) and .isNotIdentical(...)

1 files changed, 25 insertions, 1 deletions

diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/PredicateTools.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/PredicateTools.java
index 9f66583d32..03c41b05b2 100644
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/PredicateTools.java
+++ b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/PredicateTools.java
@@ -76,7 +76,7 @@ public final class PredicateTools {
 
 	/**
 	 * Return a predicate that will evaluate to <code>true</code>
-	 * for any object {@link Object#equals(Object) equal to} the specified
+	 * for any object {@link Object#equals(Object) equal} to the specified
 	 * criterion. If the criterion is <code>null</code>, the predicate
 	 * will evaluate to <code>true</code> if the variable is also
 	 * <code>null</code>.
@@ -88,6 +88,18 @@ public final class PredicateTools {
 
 	/**
 	 * Return a predicate that will evaluate to <code>true</code>
+	 * for any object <em>not</em> {@link Object#equals(Object) equal} to the specified
+	 * criterion. If the criterion is <code>null</code>, the predicate
+	 * will evaluate to <code>true</code> if the variable is not
+	 * <code>null</code>.
+	 * @param <V> the type of objects to be evaluated by the predicate
+	 */
+	public static <V> Predicate<V> isNotEqual(V criterion) {
+		return new NOT<V>(isEqual(criterion));
+	}
+
+	/**
+	 * Return a predicate that will evaluate to <code>true</code>
 	 * for any object identical to (<code>==</code>) the specified
 	 * criterion. If the criterion is <code>null</code>, the predicate
 	 * will evaluate to <code>true</code> if the variable is also
@@ -98,6 +110,18 @@ public final class PredicateTools {
 		return new IsIdentical<V>(criterion);
 	}
 
+	/**
+	 * Return a predicate that will evaluate to <code>true</code>
+	 * for any object that is <em>not</em> identical (<code>==</code>) the specified
+	 * criterion. If the criterion is <code>null</code>, the predicate
+	 * will evaluate to <code>true</code> if the variable is not
+	 * <code>null</code>.
+	 * @param <V> the type of objects to be evaluated by the predicate
+	 */
+	public static <V> Predicate<V> isNotIdentical(V criterion) {
+		return new NOT<V>(isIdentical(criterion));
+	}
+
 
 	// ********** AND **********