org.deri.iris.rules.compiler
Class RuleCompiler

java.lang.Object
  org.deri.iris.rules.compiler.RuleCompiler

public class RuleCompiler
extends Object

A rule compiler for creating objects that compute new facts using forward-chaining techniques.

Constructor Summary

RuleCompiler(IFacts facts, Configuration configuration)
Constructor.

RuleCompiler(IFacts facts, IEquivalentTerms equivalentTerms, Configuration configuration)
Creates a new RuleCompiler.

Method Summary

ICompiledRule	compile(IQuery query) Compile a query.
ICompiledRule	compile(IRule rule) Compile a rule.

Methods inherited from class java.lang.Object

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

Constructor Detail

RuleCompiler

public RuleCompiler(IFacts facts,
                    Configuration configuration)

Constructor.

Parameters:

facts - The facts that will be used by the compiled rules.

RuleCompiler

public RuleCompiler(IFacts facts,
                    IEquivalentTerms equivalentTerms,
                    Configuration configuration)

Creates a new RuleCompiler.

Parameters:

facts - The facts that will be used by the compiled rules.

equivalentTerms - The equivalent terms.

configuration - The configuration.

Method Detail

compile

public ICompiledRule compile(IRule rule)
                      throws EvaluationException

Compile a rule. No optimisations of any kind are attempted.

Parameters:

rule - The rule to be compiled

Returns:

The compiled rule, ready to be evaluated

Throws:

EvaluationException - If the query can not be compiled for any reason.

compile

public ICompiledRule compile(IQuery query)
                      throws EvaluationException

Compile a query. No optimisations of any kind are attempted.

Parameters:

query - The query to be compiled

Returns:

The compiled query, ready to be evaluated

Throws:

EvaluationException - If the query can not be compiled for any reason.