package org.drools.base;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import org.drools.base.mvel.DroolsMVELKnowledgeHelper;
import org.drools.spi.KnowledgeHelper;
import org.mvel2.ast.ASTNode;
import org.mvel2.ast.WithNode;
import org.mvel2.integration.Interceptor;
import org.mvel2.integration.VariableResolverFactory;
public class ModifyInterceptor
implements
Interceptor,
Externalizable {
private static final long serialVersionUID = 400L;
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
}
public void writeExternal(ObjectOutput out) throws IOException {
}
public int doBefore(ASTNode node,
VariableResolverFactory factory) {
return 0;
}
public int doAfter(Object value,
ASTNode node,
VariableResolverFactory factory) {
DroolsMVELKnowledgeHelper resolver = (DroolsMVELKnowledgeHelper) factory.getVariableResolver( "drools" );
KnowledgeHelper helper = (KnowledgeHelper) resolver.getValue();
helper.update( value );
return 0;
}
}