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/*******************************************************************************
* Copyright (c) 2008, 2010 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.internal.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(); //$NON-NLS-1$ //$NON-NLS-2$
}
}
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