org.springframework.binding.method
Class MethodKey

java.lang.Object
  org.springframework.binding.method.MethodKey

All Implemented Interfaces:

java.io.Serializable

public class MethodKey
extends java.lang.Object
implements java.io.Serializable

A helper for resolving and caching a Java method by reflection.

Author:

Keith Donald

See Also:

Serialized Form

Constructor Summary

MethodKey(java.lang.Class declaredType, java.lang.String methodName, java.lang.Class[] parameterTypes)
Create a new method key.

Method Summary

boolean	equals(java.lang.Object obj)
protected java.lang.reflect.Method	findMethodConsiderAssignableParameterTypes() Find the keyed method using 'relaxed' typing.
java.lang.Class	getDeclaredType() Return the class the method is a member of.
java.lang.reflect.Method	getMethod() Returns the keyed method, resolving it if necessary via reflection.
java.lang.String	getMethodName() Returns the method name.
java.lang.Class[]	getParameterTypes() Returns the method parameter types.
int	hashCode()
protected java.lang.reflect.Method	resolveMethod() Resolve the keyed method.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MethodKey

public MethodKey(java.lang.Class declaredType,
                 java.lang.String methodName,
                 java.lang.Class[] parameterTypes)

Create a new method key.

Parameters:

declaredType - the class the method is a member of

methodName - the method name

parameterTypes - the method's parameter types, or null if the method has no parameters

Method Detail

getDeclaredType

public java.lang.Class getDeclaredType()

Return the class the method is a member of.

getMethodName

public java.lang.String getMethodName()

Returns the method name.

getParameterTypes

public java.lang.Class[] getParameterTypes()

Returns the method parameter types. Could contain null values if no type was specified for the corresponding parameter.

getMethod

public java.lang.reflect.Method getMethod()
                                   throws InvalidMethodKeyException

Returns the keyed method, resolving it if necessary via reflection.

Throws:

InvalidMethodKeyException

resolveMethod

protected java.lang.reflect.Method resolveMethod()
                                          throws InvalidMethodKeyException

Resolve the keyed method.

Throws:

InvalidMethodKeyException

findMethodConsiderAssignableParameterTypes

protected java.lang.reflect.Method findMethodConsiderAssignableParameterTypes()

Find the keyed method using 'relaxed' typing.

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object