package org.jbpm.process.builder.dialect.java;
import java.util.Iterator;
import org.drools.definition.process.Process;
import org.drools.lang.descr.BaseDescr;
import org.drools.lang.descr.ProcessDescr;
import org.drools.rule.JavaDialectRuntimeData;
import org.drools.rule.builder.dialect.java.JavaDialect;
import org.jbpm.process.builder.ActionBuilder;
import org.jbpm.process.builder.AssignmentBuilder;
import org.jbpm.process.builder.ProcessBuildContext;
import org.jbpm.process.builder.ProcessClassBuilder;
import org.jbpm.process.builder.ProcessErrorHandler;
import org.jbpm.process.builder.ProcessInvokerErrorHandler;
import org.jbpm.process.builder.ReturnValueEvaluatorBuilder;
import org.jbpm.process.builder.dialect.ProcessDialect;
public class JavaProcessDialect implements ProcessDialect {
private static final ActionBuilder actionBuilder = new JavaActionBuilder();
private static final ProcessClassBuilder processClassBuilder = new JavaProcessClassBuilder();
private static final ReturnValueEvaluatorBuilder returnValueBuilder = new JavaReturnValueEvaluatorBuilder();
public void addProcess(final ProcessBuildContext context) {
JavaDialect javaDialect = (JavaDialect) context.getDialectRegistry().getDialect("java");
String processClass = processClassBuilder.buildRule(context);
if (processClass == null) {
// nothing to compile.
return;
}
final Process process = context.getProcess();
final ProcessDescr processDescr = context.getProcessDescr();
// The compilation result is for the entire rule, so difficult to
// associate with any descr
javaDialect.addClassCompileTask(context.getPkg().getName() + "."
+ processDescr.getClassName(), processDescr, processClass,
null, new ProcessErrorHandler(processDescr, process,
"Process Compilation error"));
JavaDialectRuntimeData data = (JavaDialectRuntimeData) context.getPkg()
.getDialectRuntimeRegistry().getDialectData(javaDialect.getId());
for (final Iterator it = context.getInvokers().keySet().iterator(); it
.hasNext();) {
final String className = (String) it.next();
// Check if an invoker - Action has been associated
// If so we add it to the PackageCompilationData as it will get
// wired up on compilation
final Object invoker = context.getInvokerLookups().get(className);
if (invoker != null) {
data.putInvoker(className, invoker);
}
final String text = (String) context.getInvokers().get(className);
final BaseDescr descr = (BaseDescr) context.getDescrLookups().get(
className);
javaDialect.addClassCompileTask(className, descr, text, null,
new ProcessInvokerErrorHandler(processDescr, process,
"Unable to generate action invoker."));
}
// setup the line mappins for this rule
// @TODO must setup mappings
// final String name = this.pkg.getName() + "." + StringUtils.ucFirst(
// ruleDescr.getClassName() );
// final LineMappings mapping = new LineMappings( name );
// mapping.setStartLine( ruleDescr.getConsequenceLine() );
// mapping.setOffset( ruleDescr.getConsequenceOffset() );
//
// context.getPkg().getPackageCompilationData().getLineMappings().put(
// name,
// mapping );
}
public ActionBuilder getActionBuilder() {
return actionBuilder;
}
public ProcessClassBuilder getProcessClassBuilder() {
return processClassBuilder;
}
public ReturnValueEvaluatorBuilder getReturnValueEvaluatorBuilder() {
return returnValueBuilder;
}
public AssignmentBuilder getAssignmentBuilder() {
throw new UnsupportedOperationException(
"Java assignments not supported");
}
}