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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onlab.stc;
import com.google.common.base.MoreObjects;
import org.onlab.graph.AbstractEdge;
import java.util.Objects;
/**
* Representation of a dependency from one step on completion of another.
*/
public class Dependency extends AbstractEdge<Step> {
private boolean isSoft;
/**
* Creates a new edge between the specified source and destination vertexes.
*
* @param src source vertex
* @param dst destination vertex
* @param isSoft indicates whether this is a hard or soft dependency
*/
public Dependency(Step src, Step dst, boolean isSoft) {
super(src, dst);
this.isSoft = isSoft;
}
/**
* Indicates whether this is a soft or hard dependency, i.e. one that
* requires successful completion of the dependency or just any completion.
*
* @return true if dependency is a soft one
*/
public boolean isSoft() {
return isSoft;
}
@Override
public int hashCode() {
return 31 * super.hashCode() + Objects.hash(isSoft);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof Dependency) {
final Dependency other = (Dependency) obj;
return super.equals(other) && Objects.equals(this.isSoft, other.isSoft);
}
return false;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("name", src().name())
.add("requires", dst().name())
.add("isSoft", isSoft)
.toString();
}
}
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