org.drools.rule.builder
Class PatternBuilder

java.lang.Object
  org.drools.rule.builder.PatternBuilder

All Implemented Interfaces:

EngineElementBuilder, RuleConditionBuilder

public class PatternBuilder
extends Object
implements RuleConditionBuilder

A builder for patterns

Nested Class Summary

static class

PatternBuilder.ExprBindings

Constructor Summary

PatternBuilder()

Method Summary

RuleConditionElement	build(RuleBuildContext context, BaseDescr descr)
RuleConditionElement	build(RuleBuildContext context, BaseDescr descr, Pattern prefixPattern) Build a pattern for the given descriptor in the current context and using the given utils object
void	build(RuleBuildContext context, Pattern pattern, ExprConstraintDescr descr)
static InternalReadAccessor	getFieldReadAccessor(RuleBuildContext context, BaseDescr descr, ObjectType objectType, String fieldName, AcceptsReadAccessor target, boolean reportError)
static void	registerReadAccessor(RuleBuildContext context, ObjectType objectType, String fieldName, AcceptsReadAccessor target)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PatternBuilder

public PatternBuilder()

Method Detail

build

public RuleConditionElement build(RuleBuildContext context,
                                  BaseDescr descr)

Specified by:

build in interface RuleConditionBuilder

build

public RuleConditionElement build(RuleBuildContext context,
                                  BaseDescr descr,
                                  Pattern prefixPattern)

Build a pattern for the given descriptor in the current context and using the given utils object

Specified by:

build in interface RuleConditionBuilder

Parameters:

context -

descr -

prefixPattern -

Returns:

build

public void build(RuleBuildContext context,
                  Pattern pattern,
                  ExprConstraintDescr descr)

registerReadAccessor

public static void registerReadAccessor(RuleBuildContext context,
                                        ObjectType objectType,
                                        String fieldName,
                                        AcceptsReadAccessor target)

getFieldReadAccessor

public static InternalReadAccessor getFieldReadAccessor(RuleBuildContext context,
                                                        BaseDescr descr,
                                                        ObjectType objectType,
                                                        String fieldName,
                                                        AcceptsReadAccessor target,
                                                        boolean reportError)