/*
* Chrysalix
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
* See the AUTHORS.txt file in the distribution for a full listing of
* individual contributors.
*
* Chrysalix is free software. Unless otherwise indicated, all code in Chrysalix
* is licensed to you under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Chrysalix is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.modelspace.internal;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.Session;
import javax.jcr.Value;
import javax.jcr.nodetype.NodeType;
import org.modelspace.Metamodel;
import org.modelspace.Model;
import org.modelspace.Modelspace;
import org.modelspace.ModelspaceException;
import org.modelspace.ModelspaceLexicon;
import org.modelspace.internal.task.TaskWithResult;
import org.modelspace.spi.Dependency;
import org.modeshape.common.util.StringUtil;
class ModelImpl extends ModelObjectImpl implements Model {
private Set< Dependency > dependencies;
/**
* @param modelspace
* the modelspace's modelspace
* @param modelPath
* a path to a model
*/
ModelImpl( final Modelspace modelspace,
final String modelPath ) {
super( modelspace, modelPath, -1 );
}
/**
* {@inheritDoc}
*
* @see org.modelspace.Model#allDependenciesExist()
*/
@Override
public boolean allDependenciesExist() throws ModelspaceException {
return missingDependencies().isEmpty();
}
/**
* {@inheritDoc}
*
* @see org.modelspace.Model#dependencies()
*/
@Override
public Set< Dependency > dependencies() throws ModelspaceException {
if ( this.dependencies == null ) {
this.dependencies = modelspace.run( new TaskWithResult< Set< Dependency > >() {
@Override
public Set< Dependency > run( final Session session ) throws Exception {
final Node modelNode = session.getNode( absolutePath() );
if ( modelNode.hasNode( ModelspaceLexicon.Model.DEPENDENCIES ) ) {
final NodeIterator itr = modelNode.getNode( ModelspaceLexicon.Model.DEPENDENCIES ).getNodes();
final Set< Dependency > result = new HashSet<>( ( int ) itr.getSize() );
while ( itr.hasNext() ) {
final Node dependencyNode = itr.nextNode();
// must have source references
if ( dependencyNode.hasProperty( ModelspaceLexicon.Dependency.SOURCE_REFERENCE_PROPERTY ) ) {
final Value[] values =
dependencyNode.getProperty( ModelspaceLexicon.Dependency.SOURCE_REFERENCE_PROPERTY ).getValues();
final List< String > refs = new ArrayList<>( values.length );
for ( final Value value : values ) {
refs.add( value.getString() );
}
String dependencyPath = null;
boolean exists = false;
if ( dependencyNode.hasProperty( ModelspaceLexicon.Dependency.PATH ) ) {
dependencyPath = dependencyNode.getProperty( ModelspaceLexicon.Dependency.PATH ).getString();
}
if ( !StringUtil.isBlank( dependencyPath ) ) {
exists = session.nodeExists( dependencyPath );
}
final Dependency dependency = new Dependency( dependencyPath, refs, exists );
result.add( dependency );
} else throw new ModelspaceException( "A dependency node exists for '%s' but has no source references",
absolutePath() );
}
return result;
}
return Collections.emptySet();
}
} );
}
return this.dependencies;
}
/**
* {@inheritDoc}
*
* @see org.modelspace.Model#externalLocation()
*/
@Override
public URL externalLocation() throws ModelspaceException {
return modelspace.run( new TaskWithResult< URL >() {
@Override
public URL run( final Session session ) throws Exception {
final Node model = session.getNode( path );
return model.hasProperty( ModelspaceLexicon.Model.EXTERNAL_LOCATION )
? new URL( model.getProperty( ModelspaceLexicon.Model.EXTERNAL_LOCATION ).getString() )
: null;
}
} );
}
/**
* {@inheritDoc}
*
* @see org.modelspace.Model#metamodel()
*/
@Override
public Metamodel metamodel() throws ModelspaceException {
return modelspace.run( new TaskWithResult< Metamodel >() {
@Override
public Metamodel run( final Session session ) throws Exception {
return modelspace.metamodelManager().metamodel( session.getNode( path )
.getProperty( ModelspaceLexicon.Model.METAMODEL )
.getString() );
}
} );
}
/**
* {@inheritDoc}
*
* @see org.modelspace.Model#missingDependencies()
*/
@Override
public Set< Dependency > missingDependencies() throws ModelspaceException {
return modelspace.run( new TaskWithResult< Set< Dependency > >() {
@Override
public Set< Dependency > run( final Session session ) throws Exception {
final Set< Dependency > dependencies = dependencies();
if ( dependencies.isEmpty() ) {
return Collections.emptySet();
}
final Set< Dependency > missing = new HashSet<>();
for ( final Dependency dependency : dependencies ) {
final String path = dependency.path();
if ( !session.nodeExists( path ) ) {
missing.add( dependency );
} else {
missingDependencies( dependency, missing, session );
}
}
return missing;
}
} );
}
void missingDependencies( final Dependency dependency,
final Collection< Dependency > missing,
final Session session ) throws Exception {
if ( dependency.exists() ) {
// find all models and all their dependencies
final Node node = session.getNode( dependency.path() );
final NodeIterator itr = node.getNodes();
while ( itr.hasNext() ) {
final Node kid = itr.nextNode();
if ( modelNode( kid ) ) {
final Model dependencyModel = new ModelImpl( this.modelspace, dependency.path() );
missing.addAll( dependencyModel.missingDependencies() );
}
}
} else {
missing.add( dependency );
}
}
/**
* {@inheritDoc}
*
* @see org.modelspace.ModelElement#model()
*/
@Override
public Model model() {
return this;
}
private boolean modelNode( final Node node ) throws Exception {
assert ( node != null );
for ( final NodeType nodeType : node.getMixinNodeTypes() ) {
if ( ModelspaceLexicon.Model.MODEL_MIXIN.equals( nodeType.getName() ) ) {
return true;
}
}
return false;
}
/**
* {@inheritDoc}
*
* @see org.modelspace.ModelElement#modelRelativePath()
*/
@Override
public String modelRelativePath() {
return "";
}
/**
* {@inheritDoc}
*
* @see org.modelspace.internal.ModelObjectImpl#modelspace()
*/
@Override
public Modelspace modelspace() {
return super.modelspace();
}
}