package org.drools.base.mvel;
import java.io.Serializable;
import org.drools.WorkingMemory;
import org.drools.spi.Consequence;
import org.drools.spi.KnowledgeHelper;
import org.mvel.CompiledExpression;
import org.mvel.MVEL;
import org.mvel.debug.DebugTools;
public class MVELConsequence
implements
Consequence,
Serializable {
private static final long serialVersionUID = 400L;
private final Serializable expr;
private final DroolsMVELFactory factory;
public MVELConsequence(final Serializable expr,
final DroolsMVELFactory factory) {
this.expr = expr;
this.factory = factory;
}
public void evaluate(final KnowledgeHelper knowledgeHelper,
final WorkingMemory workingMemory) throws Exception {
this.factory.setContext( knowledgeHelper.getTuple(),
knowledgeHelper,
null,
workingMemory,
null );
CompiledExpression compexpr = (CompiledExpression) this.expr;
//Receive breakpoints from debugger
MVELDebugHandler.prepare();
if ( MVELDebugHandler.isDebugMode() ) {
if ( MVELDebugHandler.verbose ) {
System.out.println( DebugTools.decompile( compexpr ) );
}
MVEL.executeDebugger( compexpr,
null,
this.factory );
} else {
MVEL.executeExpression( compexpr,
null,
this.factory );
}
}
public Serializable getCompExpr() {
return expr;
}
}