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/*******************************************************************************
* Copyright (c) 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 implementation and ideas
******************************************************************************/
package org.eclipse.equinox.p2.cudf.metadata;
public class NotRequirement implements IRequiredCapability {
private IRequiredCapability negatedRequirement;
public NotRequirement(IRequiredCapability iRequiredCapabilities) {
negatedRequirement = iRequiredCapabilities;
}
public IRequiredCapability getRequirement() {
return negatedRequirement;
}
public String getName() {
return negatedRequirement.getName();
}
public VersionRange getRange() {
return negatedRequirement.getRange();
}
public boolean isNegation() {
return true;
}
public String toString() {
return "NOT(" + negatedRequirement.toString() + ')'; //$NON-NLS-1$
}
public boolean isOptional() {
return negatedRequirement.isOptional();
}
public int getArity() {
return -1;
}
public void setArity(int arity) {
throw new IllegalStateException();
}
}
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