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.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* Handles all concurrency-related logging.
* <p/>
* The logging/diagnostic needs of a concurrent build are different from a linear build. This
* delta required to analyze a concurrent build is located here.
* <p/>
* NOTE: This class is not part of any public api and can be changed or deleted without prior notice.
*
* @since 3.0
* @author Kristian Rosenvold
*/
public class ConcurrentBuildLogger
{
private final long startTime;
private final Map<MavenProject, Thread> threadMap = new ConcurrentHashMap<MavenProject, Thread>();
public ConcurrentBuildLogger()
{
startTime = System.currentTimeMillis();
}
List<BuildLogItem> items = Collections.synchronizedList( new ArrayList<BuildLogItem>() );
public BuildLogItem createBuildLogItem( MavenProject project, ExecutionPlanItem current )
{
threadMap.put( project, Thread.currentThread() );
BuildLogItem result = new BuildLogItem( project, current );
items.add( result );
return result;
}
public String toString()
{
StringBuilder result = new StringBuilder();
for ( Map.Entry<MavenProject, Thread> mavenProjectThreadEntry : threadMap.entrySet() )
{
result.append( mavenProjectThreadEntry.getKey().getName() );
result.append( " ran on " );
result.append( mavenProjectThreadEntry.getValue().getName() );
result.append( "\n" );
}
for ( BuildLogItem builtLogItem : items )
{
result.append( builtLogItem.toString( startTime ) );
result.append( "\n" );
}
return result.toString();
}
public String toGraph()
{
StringBuilder result = new StringBuilder();
Map<MavenProject, Collection<BuildLogItem>> multiMap = new HashMap<MavenProject, Collection<BuildLogItem>>();
for ( BuildLogItem builtLogItem : items )
{
MavenProject project = builtLogItem.getProject();
Collection<BuildLogItem> bag = multiMap.get( project );
if ( bag == null )
{
bag = new ArrayList<BuildLogItem>();
multiMap.put( project, bag );
}
bag.add( builtLogItem );
}
result.append( "digraph build" );
result.append( " {\n " );
for ( MavenProject mavenProject : multiMap.keySet() )
{
final Collection<BuildLogItem> builtLogItems = multiMap.get( mavenProject );
result.append( " subgraph " );
result.append( mavenProject.getArtifactId() );
result.append( " {\n" );
for ( BuildLogItem builtLogItem : builtLogItems )
{
result.append( builtLogItem.toGraph( startTime ) );
}
result.append( "\n }\n" );
}
result.append( "\n}\n " );
return result.toString();
}
}