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Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/int_/True.java')
-rw-r--r--common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/int_/True.java52
1 files changed, 52 insertions, 0 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/int_/True.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/int_/True.java
new file mode 100644
index 0000000000..d0c1951f62
--- /dev/null
+++ b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/predicate/int_/True.java
@@ -0,0 +1,52 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2015 Oracle. 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:
+ * Oracle - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.jpt.common.utility.internal.predicate.int_;
+
+import java.io.Serializable;
+import org.eclipse.jpt.common.utility.predicate.IntPredicate;
+
+/**
+ * Singleton predicate that always evaluates to
+ * <code>true</code>.
+ *
+ * @see False
+ */
+public final class True
+ implements IntPredicate, Serializable
+{
+ public static final IntPredicate INSTANCE = new True();
+
+ public static IntPredicate instance() {
+ return INSTANCE;
+ }
+
+ // ensure single instance
+ private True() {
+ super();
+ }
+
+ /**
+ * Return <code>true</code>.
+ */
+ public boolean evaluate(int variable) {
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return this.getClass().getSimpleName();
+ }
+
+ private static final long serialVersionUID = 1L;
+ private Object readResolve() {
+ // replace this object with the singleton
+ return INSTANCE;
+ }
+}

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