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package org.apache.maven.repository.metadata;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.ArtifactScopeEnum;
/**
* metadata [dirty] Tree
*
* @author <a href="oleg@codehaus.org">Oleg Gusakov</a>
*
*/
public class MetadataTreeNode
{
ArtifactMetadata md; // this node
MetadataTreeNode parent; // papa
/** default # of children. Used for tree creation optimization only */
int nChildren = 8;
MetadataTreeNode[] children; // of cause
public int getNChildren()
{
return nChildren;
}
public void setNChildren( int children )
{
nChildren = children;
}
//------------------------------------------------------------------------
public MetadataTreeNode()
{
}
//------------------------------------------------------------------------
public MetadataTreeNode( ArtifactMetadata md, MetadataTreeNode parent, boolean resolved, ArtifactScopeEnum scope )
{
if ( md != null )
{
md.setArtifactScope( ArtifactScopeEnum.checkScope( scope ) );
md.setResolved( resolved );
}
this.md = md;
this.parent = parent;
}
//------------------------------------------------------------------------
public MetadataTreeNode( Artifact af, MetadataTreeNode parent, boolean resolved, ArtifactScopeEnum scope )
{
this( new ArtifactMetadata( af ), parent, resolved, scope );
}
// ------------------------------------------------------------------------
public void addChild( int index, MetadataTreeNode kid )
{
if ( kid == null )
{
return;
}
if ( children == null )
{
children = new MetadataTreeNode[nChildren];
}
children[index % nChildren] = kid;
}
//------------------------------------------------------------------
@Override
public String toString()
{
return md == null ? "no metadata" : md.toString();
}
//------------------------------------------------------------------
public String graphHash()
throws MetadataResolutionException
{
if ( md == null )
{
throw new MetadataResolutionException( "treenode without metadata, parent: "
+ ( parent == null ? "null" : parent.toString() ) );
}
return md.groupId + ":" + md.artifactId;
}
//------------------------------------------------------------------------
public boolean hasChildren()
{
return children != null;
}
//------------------------------------------------------------------------
public ArtifactMetadata getMd()
{
return md;
}
public void setMd( ArtifactMetadata md )
{
this.md = md;
}
public MetadataTreeNode getParent()
{
return parent;
}
public void setParent( MetadataTreeNode parent )
{
this.parent = parent;
}
public MetadataTreeNode[] getChildren()
{
return children;
}
public void setChildren( MetadataTreeNode[] children )
{
this.children = children;
}
//------------------------------------------------------------------------
//------------------------------------------------------------------------
}
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