1 files changed, 48 insertions, 0 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/closure/RepeatingClosure.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/closure/RepeatingClosure.java
new file mode 100644
index 0000000000..a6f15da783
--- /dev/null
+++ b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/closure/RepeatingClosure.java
@@ -0,0 +1,48 @@
+/*******************************************************************************
+ * Copyright (c) 2013 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.closure;
+
+import org.eclipse.jpt.common.utility.closure.Closure;
+import org.eclipse.jpt.common.utility.internal.ObjectTools;
+
+/**
+ * Closure that executes another closure a specified number of times.
+ * 
+ * @param <A> the type of the object passed to the closure
+ */
+public class RepeatingClosure<A>
+	implements Closure<A>
+{
+	private final int count;
+	private final Closure<? super A> closure;
+
+	public RepeatingClosure(Closure<? super A> closure, int count) {
+		super();
+		if (closure == null) {
+			throw new NullPointerException();
+		}
+		if (count <= 0) {
+			throw new IndexOutOfBoundsException("invalid count: " + count); //$NON-NLS-1$
+		}
+		this.closure = closure;
+		this.count = count;
+	}
+
+	public void execute(A argument) {
+		for (int i = this.count; i-- > 0;) {
+			this.closure.execute(argument);
+		}
+	}
+
+	@Override
+	public String toString() {
+		return ObjectTools.toString(this, this.closure);
+	}
+}