org.apache.maven.graph.effective.rel.ParentRelationship Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright 2012 John Casey
 * 
 * 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.apache.maven.graph.effective.rel;

import java.io.Serializable;

import org.apache.maven.graph.common.RelationshipType;
import org.apache.maven.graph.common.ref.ArtifactRef;
import org.apache.maven.graph.common.ref.ProjectVersionRef;

public final class ParentRelationship
    extends AbstractProjectRelationship
    implements Serializable
{

    private static final long serialVersionUID = 1L;

    /**
     * Ancestry terminus. This is to signify that the declaring project has NO parent relationship.
     */
    public ParentRelationship( final ProjectVersionRef declaring )
    {
        super( RelationshipType.PARENT, declaring, declaring, 0 );
    }

    public ParentRelationship( final ProjectVersionRef declaring, final ProjectVersionRef target )
    {
        super( RelationshipType.PARENT, declaring, target, 0 );
    }

    @Override
    public String toString()
    {
        return String.format( "ParentRelationship [%s => %s]", getDeclaring(), getTarget() );
    }

    @Override
    public ArtifactRef getTargetArtifact()
    {
        return new ArtifactRef( getTarget(), "pom", null, false );
    }

    public boolean isTerminus()
    {
        return getDeclaring().equals( getTarget() );
    }

}