1 files changed, 46 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/p2/engine/InstallableUnitPropertyOperand.java b/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/p2/engine/InstallableUnitPropertyOperand.java
new file mode 100644
index 000000000..265da8d80
--- /dev/null
+++ b/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/p2/engine/InstallableUnitPropertyOperand.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ *  Copyright (c) 2008, 2009 IBM Corporation and others.
+ *  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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.equinox.p2.engine;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.equinox.p2.metadata.IInstallableUnit;
+
+/**
+ * @since 2.0
+ */
+public class InstallableUnitPropertyOperand extends PropertyOperand {
+	private final IInstallableUnit iu;
+
+	/**
+	 * Creates a new operand that represents replacing a property value associated
+	 * with an IU with another.  At least one of the provided property values must be
+	 * non-null.
+	 * 
+	 * @param iu The IInstallableUnit with which the property is associated
+	 * @param key The key of the property being modified
+	 * @param first The property value being removed, or <code>null</code>
+	 * @param second The property value being added, or <code>null</code>
+	 */
+	public InstallableUnitPropertyOperand(IInstallableUnit iu, String key, Object first, Object second) {
+		super(key, first, second);
+		//the iu must be specified.
+		Assert.isTrue(iu != null);
+		this.iu = iu;
+	}
+
+	public IInstallableUnit getInstallableUnit() {
+		return iu;
+	}
+
+	public String toString() {
+		return "[IInstallableUnit property for " + iu.toString() + "] " + super.toString(); //$NON-NLS-1$ //$NON-NLS-2$
+	}
+}