org.jbpm.process.builder.EventNodeBuilder Maven / Gradle / Ivy
/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* 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;
import java.util.HashMap;
import java.util.Map;
import org.drools.compiler.lang.descr.ProcessDescr;
import org.jbpm.process.core.impl.DataTransformerRegistry;
import org.jbpm.workflow.core.WorkflowProcess;
import org.jbpm.workflow.core.node.BoundaryEventNode;
import org.jbpm.workflow.core.node.Transformation;
import org.kie.api.definition.process.Node;
import org.kie.api.definition.process.Process;
import org.kie.api.runtime.process.DataTransformer;
public class EventNodeBuilder implements ProcessNodeBuilder {
@Override
public void build(Process process, ProcessDescr processDescr, ProcessBuildContext context, Node node) {
Transformation transformation = (Transformation) node.getMetaData().get("Transformation");
if (transformation != null) {
WorkflowProcess wfProcess = (WorkflowProcess) process;
Map parameters = new HashMap();
parameters.put("imports", wfProcess.getImports());
parameters.put("classloader", context.getConfiguration().getClassLoader());
DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
transformation.setCompiledExpression(transformer.compile(transformation.getExpression(), parameters));
}
// for boundary event we need to compile the transformations
if (node instanceof BoundaryEventNode) {
BoundaryEventNode boundaryEventNode = (BoundaryEventNode) node;
boundaryEventNode.getOutAssociations().stream()
.filter(e -> e.getTransformation()!= null)
.map(e -> e.getTransformation())
.forEach(dataAssociationTransformation -> {
WorkflowProcess wfProcess = (WorkflowProcess) process;
Map parameters = new HashMap();
parameters.put("imports", wfProcess.getImports());
parameters.put("classloader", context.getConfiguration().getClassLoader());
DataTransformer transformer = DataTransformerRegistry.get().find(dataAssociationTransformation.getLanguage());
dataAssociationTransformation.setCompiledExpression(transformer.compile(dataAssociationTransformation.getExpression(), parameters));
});
}
}
}