org.apache.commons.jexl.util.introspection

Class UberspectImpl.VelGetterImpl

java.lang.Object

org.apache.commons.jexl.util.introspection.UberspectImpl.VelGetterImpl

All Implemented Interfaces:

VelPropertyGet

Enclosing class:

UberspectImpl

public class UberspectImpl.VelGetterImpl
extends Object
implements VelPropertyGet

Field Summary

Fields

Modifier and Type	Field and Description
protected AbstractExecutor	ae executor for performing the get.

Constructor Summary

Constructors

Constructor and Description
VelGetterImpl(AbstractExecutor exec) Create the getter using an AbstractExecutor to do the work.

Method Summary

Modifier and Type	Method and Description
String	getMethodName() returns the method name used to return this 'property'.
Object	invoke(Object o) invocation method - called when the 'get action' should be performed and a value returned.
boolean	isAlive() Tell whether the method underlying this 'property' is alive by checking to see if represents a successful name resolution.
boolean	isCacheable() specifies if this VelPropertyGet is cacheable and able to be reused for this class of object it was returned for.

Methods inherited from class java.lang.Object

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

Field Detail

ae

protected AbstractExecutor ae

executor for performing the get.

Constructor Detail

VelGetterImpl

public VelGetterImpl(AbstractExecutor exec)

Create the getter using an AbstractExecutor to do the work.

Parameters:

exec - the executor.

Method Detail

invoke

public Object invoke(Object o)
              throws Exception

invocation method - called when the 'get action' should be performed and a value returned.

Specified by:

invoke in interface VelPropertyGet

Parameters:

o - the object to get the property from.

Returns:

the property value.

Throws:

Exception - on any error.

isCacheable

public boolean isCacheable()

specifies if this VelPropertyGet is cacheable and able to be reused for this class of object it was returned for.

Specified by:

isCacheable in interface VelPropertyGet

Returns:

true if can be reused for this class, false if not

getMethodName

public String getMethodName()

returns the method name used to return this 'property'.

Specified by:

getMethodName in interface VelPropertyGet

Returns:

the method name.

isAlive

public boolean isAlive()

Description copied from interface: VelPropertyGet

Tell whether the method underlying this 'property' is alive by checking to see if represents a successful name resolution.

Specified by:

isAlive in interface VelPropertyGet

Returns:

boolean Whether 'property' is alive.