/*
* Copyright 2006 JBoss Inc
*
* Licensed 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.
*/
package org.jbpm.process.builder.dialect.java;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.drools.compiler.AnalysisResult;
import org.drools.compiler.BoundIdentifiers;
import org.drools.compiler.Dialect;
import org.drools.compiler.ReturnValueDescr;
import org.drools.rule.builder.PackageBuildContext;
import org.drools.rule.builder.dialect.java.JavaDialect;
import org.jbpm.process.builder.ProcessBuildContext;
import org.jbpm.process.builder.ReturnValueEvaluatorBuilder;
import org.jbpm.process.core.ContextResolver;
import org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator;
/**
* @author etirelli
*
*/
public class JavaReturnValueEvaluatorBuilder extends AbstractJavaProcessBuilder
implements
ReturnValueEvaluatorBuilder {
/* (non-Javadoc)
* @see org.drools.semantics.java.builder.ConsequenceBuilder#buildConsequence(org.drools.semantics.java.builder.BuildContext, org.drools.semantics.java.builder.BuildUtils, org.drools.lang.descr.RuleDescr)
*/
public void build(final PackageBuildContext context,
final ReturnValueConstraintEvaluator constraintNode,
final ReturnValueDescr descr,
final ContextResolver contextResolver) {
final String className = "returnValueEvaluator" + context.getNextId();
JavaDialect dialect = (JavaDialect) context.getDialect( "java" );
Map<String, Class<?>> variables = new HashMap<String,Class<?>>();
BoundIdentifiers boundIdentifiers = new BoundIdentifiers(variables, context.getPackageBuilder().getGlobals());
AnalysisResult analysis = dialect.analyzeBlock( context,
descr,
descr.getText(),
boundIdentifiers);
if ( analysis == null ) {
// not possible to get the analysis results
return;
}
if ( analysis == null ) {
// not possible to get the analysis results
return;
}
Set<String> identifiers = analysis.getBoundIdentifiers().getGlobals().keySet();
final Map map = createVariableContext( className,
descr.getText(),
(ProcessBuildContext) context,
(String[]) identifiers.toArray( new String[identifiers.size()] ),
analysis.getNotBoundedIdentifiers(),
contextResolver);
map.put( "text",
descr.getText() );
generatTemplates( "returnValueEvaluatorMethod",
"returnValueEvaluatorInvoker",
(ProcessBuildContext)context,
className,
map,
constraintNode,
descr );
}
}