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[MNG-6311] Implement class-level ModelCache in DefaultProjectBuilder to solve slow pom resolutions 

Fix by: David Churcher
This commit is contained in:
Sylwester Lachiewicz 2017-11-24 00:56:00 +01:00
parent 01f098efd1
commit 8bc3c207d0
2 changed files with 17 additions and 12 deletions
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21
maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuilder.java
View File

@ -105,6 +105,8 @@ public class DefaultProjectBuilder
@Requirement @Requirement
private ProjectDependenciesResolver dependencyResolver; private ProjectDependenciesResolver dependencyResolver;
private final ReactorModelCache modelCache = new ReactorModelCache();
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
// MavenProjectBuilder Implementation // MavenProjectBuilder Implementation
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
@ -113,14 +115,14 @@ public class DefaultProjectBuilder
public ProjectBuildingResult build( File pomFile, ProjectBuildingRequest request ) public ProjectBuildingResult build( File pomFile, ProjectBuildingRequest request )
throws ProjectBuildingException throws ProjectBuildingException
{ {
return build( pomFile, new FileModelSource( pomFile ), new InternalConfig( request, null, null ) ); return build( pomFile, new FileModelSource( pomFile ), new InternalConfig( request, null ) );
} }
@Override @Override
public ProjectBuildingResult build( ModelSource modelSource, ProjectBuildingRequest request ) public ProjectBuildingResult build( ModelSource modelSource, ProjectBuildingRequest request )
throws ProjectBuildingException throws ProjectBuildingException
{ {
return build( null, modelSource, new InternalConfig( request, null, null ) ); return build( null, modelSource, new InternalConfig( request, null ) );
} }
private ProjectBuildingResult build( File pomFile, ModelSource modelSource, InternalConfig config ) private ProjectBuildingResult build( File pomFile, ModelSource modelSource, InternalConfig config )
@ -291,7 +293,7 @@ public class DefaultProjectBuilder
org.eclipse.aether.artifact.Artifact pomArtifact = RepositoryUtils.toArtifact( artifact ); org.eclipse.aether.artifact.Artifact pomArtifact = RepositoryUtils.toArtifact( artifact );
pomArtifact = ArtifactDescriptorUtils.toPomArtifact( pomArtifact ); pomArtifact = ArtifactDescriptorUtils.toPomArtifact( pomArtifact );
InternalConfig config = new InternalConfig( request, null, null ); InternalConfig config = new InternalConfig( request, null );
boolean localProject; boolean localProject;
@ -353,9 +355,7 @@ public class DefaultProjectBuilder
ReactorModelPool modelPool = new ReactorModelPool(); ReactorModelPool modelPool = new ReactorModelPool();
ReactorModelCache modelCache = new ReactorModelCache(); InternalConfig config = new InternalConfig( request, modelPool );
InternalConfig config = new InternalConfig( request, modelPool, modelCache );
Map<String, MavenProject> projectIndex = new HashMap<>( 256 ); Map<String, MavenProject> projectIndex = new HashMap<>( 256 );
@ -943,11 +943,11 @@ public class DefaultProjectBuilder
private final ReactorModelCache modelCache; private final ReactorModelCache modelCache;
InternalConfig( ProjectBuildingRequest request, ReactorModelPool modelPool, ReactorModelCache modelCache ) InternalConfig( ProjectBuildingRequest request, ReactorModelPool modelPool )
{ {
this.request = request; this.request = request;
this.modelPool = modelPool; this.modelPool = modelPool;
this.modelCache = modelCache; this.modelCache = getModelCache();
session = session =
LegacyLocalRepositoryManager.overlay( request.getLocalRepository(), request.getRepositorySession(), LegacyLocalRepositoryManager.overlay( request.getLocalRepository(), request.getRepositorySession(),
repoSystem ); repoSystem );
@ -956,4 +956,9 @@ public class DefaultProjectBuilder
} }
private ReactorModelCache getModelCache()
{
return this.modelCache;
}
} }

8
maven-core/src/main/java/org/apache/maven/project/ReactorModelCache.java
View File

@ -19,11 +19,11 @@ package org.apache.maven.project;
* under the License. * under the License.
*/ */
import java.util.HashMap;
import java.util.Map;
import org.apache.maven.model.building.ModelCache; import org.apache.maven.model.building.ModelCache;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/** /**
* A simple model cache used to accelerate model building during a reactor build. * A simple model cache used to accelerate model building during a reactor build.
* *
@ -33,7 +33,7 @@ class ReactorModelCache
implements ModelCache implements ModelCache
{ {
private final Map<CacheKey, Object> models = new HashMap<>( 256 ); private final Map<CacheKey, Object> models = new ConcurrentHashMap<>( 256 );
public Object get( String groupId, String artifactId, String version, String tag ) public Object get( String groupId, String artifactId, String version, String tag )
{ {