Commons JEXL 2.1.1 · org.apache.commons.jexl2.introspection.JexlPropertyGet

Method Summary

Modifier and Type	Method and Description
public Object	Returns: the property value. invoke(Object the object to get the property value from. obj) Method used to get the property value of an object.
public boolean	Returns: true if can be reused for this class, false if not isCacheable() Specifies if this JexlPropertyGet is cacheable and able to be reused for this class of object it was returned for.
public boolean	Returns: true if tryInvoke failed, false otherwise tryFailed(Object the value returned by tryInvoke rval) Checks whether a tryInvoke failed or not.
public Object	Returns: the result of the method invocation that should be checked by tryFailed to determine if it succeeded or failed. tryInvoke(Object the object to invoke the property get upon obj, Object the property key to get key) Attempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments.

invoke	back to summary
public Object invoke(Object obj) throws Exception Method used to get the property value of an object. Parameters obj:Object the object to get the property value from. Returns:Object the property value. Exceptions Exception: on any error.

invoke

public Object invoke(Object obj) throws Exception

Method used to get the property value of an object.

Parameters

Returns:Object

the property value.

Exceptions

isCacheable	back to summary
public boolean isCacheable() Specifies if this JexlPropertyGet is cacheable and able to be reused for this class of object it was returned for. Returns:boolean true if can be reused for this class, false if not

isCacheable

public boolean isCacheable()

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

tryFailed	back to summary
public boolean tryFailed(Object rval) Checks whether a tryInvoke failed or not. Parameters rval:Object the value returned by tryInvoke Returns:boolean true if tryInvoke failed, false otherwise

tryFailed

public boolean tryFailed(Object rval)

Checks whether a tryInvoke failed or not.

Parameters

Returns:boolean

true if tryInvoke failed, false otherwise

tryInvoke	back to summary
public Object tryInvoke(Object obj, Object key) Attempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments. Parameters obj:Object the object to invoke the property get upon key:Object the property key to get Returns:Object the result of the method invocation that should be checked by tryFailed to determine if it succeeded or failed.

tryInvoke

public Object tryInvoke(Object obj, Object key)

Attempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments.

Parameters

Returns:Object

the result of the method invocation that should be checked by tryFailed to determine if it succeeded or failed.