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package org.apache.maven.lifecycle.internal;
/*
* 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.project.MavenProject;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.TreeSet;
/**
* Context of dependency artifacts for a particular project.
*
* @since 3.0
* @author Benjamin Bentmann
* @author Kristian Rosenvold (class extract only)
* <p/>
* NOTE: This class is not part of any public api and can be changed or deleted without prior notice.
*/
// TODO: From a concurrency perspective, this class is not good. The combination of mutable/immutable state is not nice
public class DependencyContext
{
private static final Collection<?> UNRESOLVED = Arrays.asList();
private final MavenProject project;
private final Collection<String> scopesToCollectForCurrentProject;
private final Collection<String> scopesToResolveForCurrentProject;
private final Collection<String> scopesToCollectForAggregatedProjects;
private final Collection<String> scopesToResolveForAggregatedProjects;
private volatile Collection<?> lastDependencyArtifacts = UNRESOLVED;
private volatile int lastDependencyArtifactCount = -1;
public DependencyContext( MavenProject project, Collection<String> scopesToCollect,
Collection<String> scopesToResolve )
{
this.project = project;
scopesToCollectForCurrentProject = scopesToCollect;
scopesToResolveForCurrentProject = scopesToResolve;
scopesToCollectForAggregatedProjects = Collections.synchronizedSet( new TreeSet<String>() );
scopesToResolveForAggregatedProjects = Collections.synchronizedSet( new TreeSet<String>() );
}
public MavenProject getProject()
{
return project;
}
public Collection<String> getScopesToCollectForCurrentProject()
{
return scopesToCollectForCurrentProject;
}
public Collection<String> getScopesToResolveForCurrentProject()
{
return scopesToResolveForCurrentProject;
}
public Collection<String> getScopesToCollectForAggregatedProjects()
{
return scopesToCollectForAggregatedProjects;
}
public Collection<String> getScopesToResolveForAggregatedProjects()
{
return scopesToResolveForAggregatedProjects;
}
public boolean isResolutionRequiredForCurrentProject()
{
return lastDependencyArtifacts != project.getDependencyArtifacts() || ( lastDependencyArtifacts != null
&& lastDependencyArtifactCount != lastDependencyArtifacts.size() );
}
public boolean isResolutionRequiredForAggregatedProjects( Collection<String> scopesToCollect,
Collection<String> scopesToResolve )
{
boolean required =
scopesToCollectForAggregatedProjects.addAll( scopesToCollect )
|| scopesToResolveForAggregatedProjects.addAll( scopesToResolve );
return required;
}
public void synchronizeWithProjectState()
{
lastDependencyArtifacts = project.getDependencyArtifacts();
lastDependencyArtifactCount = ( lastDependencyArtifacts != null ) ? lastDependencyArtifacts.size() : 0;
}
}
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