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/*******************************************************************************
* Copyright (c) 2000, 2014 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.activities;
import org.eclipse.ui.activities.IActivityRequirementBinding;
import org.eclipse.ui.internal.util.Util;
public final class ActivityRequirementBinding implements IActivityRequirementBinding {
private static final int HASH_FACTOR = 89;
private static final int HASH_INITIAL = ActivityRequirementBinding.class.getName().hashCode();
private String requiredActivityId;
private transient int hashCode = HASH_INITIAL;
private String activityId;
private transient String string;
public ActivityRequirementBinding(String requiredActivityId, String activityId) {
if (requiredActivityId == null || activityId == null) {
throw new NullPointerException();
}
this.requiredActivityId = requiredActivityId;
this.activityId = activityId;
}
@Override
public int compareTo(IActivityRequirementBinding object) {
ActivityRequirementBinding castedObject = (ActivityRequirementBinding) object;
int compareTo = Util.compare(requiredActivityId, castedObject.requiredActivityId);
if (compareTo == 0) {
compareTo = Util.compare(activityId, castedObject.activityId);
}
return compareTo;
}
@Override
public boolean equals(Object object) {
if (!(object instanceof ActivityRequirementBinding)) {
return false;
}
final ActivityRequirementBinding castedObject = (ActivityRequirementBinding) object;
if (!Util.equals(requiredActivityId, castedObject.requiredActivityId)) {
return false;
}
return Util.equals(activityId, castedObject.activityId);
}
@Override
public String getRequiredActivityId() {
return requiredActivityId;
}
@Override
public String getActivityId() {
return activityId;
}
@Override
public int hashCode() {
if (hashCode == HASH_INITIAL) {
hashCode = hashCode * HASH_FACTOR + Util.hashCode(requiredActivityId);
hashCode = hashCode * HASH_FACTOR + Util.hashCode(activityId);
if (hashCode == HASH_INITIAL) {
hashCode++;
}
}
return hashCode;
}
@Override
public String toString() {
if (string == null) {
final StringBuilder stringBuffer = new StringBuilder();
stringBuffer.append('[');
stringBuffer.append(requiredActivityId);
stringBuffer.append(',');
stringBuffer.append(activityId);
stringBuffer.append(']');
string = stringBuffer.toString();
}
return string;
}
}
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