org.codehaus.groovy.grails.commons.metaclass

Class ClosureInvokingDynamicMethod

java.lang.Object

org.codehaus.groovy.grails.commons.metaclass.ClosureInvokingDynamicMethod

All Implemented Interfaces:

java.lang.Cloneable, DynamicMethodInvocation, StaticMethodInvocation

public class ClosureInvokingDynamicMethod
extends java.lang.Object
implements DynamicMethodInvocation, StaticMethodInvocation, java.lang.Cloneable

An implementation of DynamicMethodInvocation that invokes a closure.

Since:

0.4

Constructor Summary

Constructors

Constructor and Description
ClosureInvokingDynamicMethod(java.lang.String pattern, groovy.lang.Closure<?> closure)

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	clone() For thread safety when using a ClosureInvokingDynamicMethod it should ALWAYS be cloned first Weird behaviour will occur if a unique cloned instance is not used for each invocation
java.lang.Object	invoke(java.lang.Class clazz, java.lang.String methodName, java.lang.Object[] arguments) Invokes the actual method.
java.lang.Object	invoke(java.lang.Object target, java.lang.String methodName, java.lang.Object[] arguments) Invokes the actual method.
boolean	isMethodMatch(java.lang.String methodName) Checks if a method name matches the criteria of the implementation class.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClosureInvokingDynamicMethod

public ClosureInvokingDynamicMethod(java.lang.String pattern,
                                    groovy.lang.Closure<?> closure)

Method Detail

clone

protected java.lang.Object clone()
                          throws java.lang.CloneNotSupportedException

For thread safety when using a ClosureInvokingDynamicMethod it should ALWAYS be cloned first Weird behaviour will occur if a unique cloned instance is not used for each invocation

Overrides:

clone in class java.lang.Object

Returns:

A cloned instance

Throws:

java.lang.CloneNotSupportedException

isMethodMatch

public boolean isMethodMatch(java.lang.String methodName)

Description copied from interface: DynamicMethodInvocation

Checks if a method name matches the criteria of the implementation class.

Specified by:

isMethodMatch in interface DynamicMethodInvocation

Specified by:

isMethodMatch in interface StaticMethodInvocation

Parameters:

methodName - the static method name

Returns:

result of criteria match test

invoke

public java.lang.Object invoke(java.lang.Class clazz,
                               java.lang.String methodName,
                               java.lang.Object[] arguments)

Description copied from interface: StaticMethodInvocation

Invokes the actual method. The class, method name and arguments are provided. If no arguments are passed the argument array is empty.

Specified by:

invoke in interface StaticMethodInvocation

Parameters:

clazz - the class the static method is called on

methodName - the static method name

arguments - the arguments supplied

Returns:

the return value of the static method invocation

invoke

public java.lang.Object invoke(java.lang.Object target,
                               java.lang.String methodName,
                               java.lang.Object[] arguments)

Description copied from interface: DynamicMethodInvocation

Invokes the actual method. The target object and arguments are supplied.

Specified by:

invoke in interface DynamicMethodInvocation

Parameters:

target - the target on which the method is invoked.

arguments - the arguments passed in the method call @return the return value of the dynamic method invocation.