com.whicken.werecat
Class RuleFactory

java.lang.Object
  com.whicken.werecat.RuleFactory

Direct Known Subclasses:

BlindFactory

public class RuleFactory
extends java.lang.Object

Helper class for instantiating a RuleEngine. Subclass to provide appropriate hooks for expression parser.

Field Summary

protected java.lang.Class	context
protected java.util.Map<java.lang.String,java.lang.Class>	importedClasses
protected java.util.List<java.lang.String>	importedPackages

Constructor Summary

RuleFactory(java.lang.Class context)

Method Summary

void	addImport(java.lang.Class c) Make the given class accessible by simple name.
void	addImport(java.lang.String path) Make the given classes accessible by simple name.
com.whicken.werecat.expr.Expression	createCompoundExpression(com.whicken.werecat.expr.Expression lhs, java.lang.Object rhs)
com.whicken.werecat.expr.Expression	createField(java.lang.String key) Override this is you want something different than reflection.
com.whicken.werecat.expr.Expression	createMethod(java.lang.String method, java.util.List<com.whicken.werecat.expr.Expression> args) Override this is you want something different than reflection.
protected java.lang.Class	getClass(java.lang.String name)
static java.lang.reflect.Method	getMethod(java.lang.Class context, java.lang.String method, java.util.List<com.whicken.werecat.expr.Expression> args) Requires the method to be public
protected java.lang.reflect.Method	getMethod(java.lang.String method, java.util.List<com.whicken.werecat.expr.Expression> args)

Methods inherited from class java.lang.Object

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

Field Detail

context

protected java.lang.Class context

importedClasses

protected java.util.Map<java.lang.String,java.lang.Class> importedClasses

importedPackages

protected java.util.List<java.lang.String> importedPackages

Constructor Detail

RuleFactory

public RuleFactory(java.lang.Class context)

Method Detail

addImport

public void addImport(java.lang.String path)

Make the given classes accessible by simple name. You may use wildcards or explicit paths.

addImport

public void addImport(java.lang.Class c)

Make the given class accessible by simple name.

getClass

protected java.lang.Class getClass(java.lang.String name)

getMethod

public static java.lang.reflect.Method getMethod(java.lang.Class context,
                                                 java.lang.String method,
                                                 java.util.List<com.whicken.werecat.expr.Expression> args)

Requires the method to be public

getMethod

protected java.lang.reflect.Method getMethod(java.lang.String method,
                                             java.util.List<com.whicken.werecat.expr.Expression> args)

createField

public com.whicken.werecat.expr.Expression createField(java.lang.String key)

Override this is you want something different than reflection.

createMethod

public com.whicken.werecat.expr.Expression createMethod(java.lang.String method,
                                                        java.util.List<com.whicken.werecat.expr.Expression> args)

Override this is you want something different than reflection.

createCompoundExpression

public com.whicken.werecat.expr.Expression createCompoundExpression(com.whicken.werecat.expr.Expression lhs,
                                                                    java.lang.Object rhs)