| /******************************************************************************* |
| * Copyright (c) 2007, 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.metadata; |
| |
| import org.eclipse.equinox.p2.metadata.IRequirementChange; |
| |
| public class RequirementChange implements IRequirementChange { |
| private IRequiredCapability applyOn; |
| private IRequiredCapability newValue; |
| |
| public RequirementChange(IRequiredCapability applyOn2, IRequiredCapability newValue2) { |
| if (applyOn2 == null && newValue2 == null) |
| throw new IllegalArgumentException(); |
| this.applyOn = applyOn2; |
| this.newValue = newValue2; |
| } |
| |
| public IRequiredCapability applyOn() { |
| return applyOn; |
| } |
| |
| public IRequiredCapability newValue() { |
| return newValue; |
| } |
| |
| public boolean matches(IRequiredCapability toMatch) { |
| if (!toMatch.getNamespace().equals(applyOn.getNamespace())) |
| return false; |
| if (!toMatch.getName().equals(applyOn.getName())) |
| return false; |
| if (toMatch.getRange().equals(applyOn.getRange())) |
| return true; |
| |
| return toMatch.getRange().intersect(applyOn.getRange()) != null; |
| } |
| |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((applyOn == null) ? 0 : applyOn.hashCode()); |
| result = prime * result + ((newValue == null) ? 0 : newValue.hashCode()); |
| return result; |
| } |
| |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (!(obj instanceof IRequirementChange)) |
| return false; |
| final IRequirementChange other = (IRequirementChange) obj; |
| if (applyOn == null) { |
| if (other.applyOn() != null) |
| return false; |
| } else if (!applyOn.equals(other.applyOn())) |
| return false; |
| if (newValue == null) { |
| if (other.newValue() != null) |
| return false; |
| } else if (!newValue.equals(other.newValue())) |
| return false; |
| return true; |
| } |
| |
| public String toString() { |
| return applyOn + " --> " + newValue; //$NON-NLS-1$ |
| } |
| } |