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java.lang.Objectorg.apache.commons.jexl2.internal.AbstractExecutor
org.apache.commons.jexl2.internal.AbstractExecutor.Method
public abstract static class AbstractExecutor.Method
Abstract class that is used to execute an arbitrary method.
| Nested Class Summary | |
|---|---|
protected static class |
AbstractExecutor.Method.Parameter
A helper class to pass the method & parameters. |
| Nested classes/interfaces inherited from class org.apache.commons.jexl2.internal.AbstractExecutor |
|---|
AbstractExecutor.Get, AbstractExecutor.Method, AbstractExecutor.Set |
| Field Summary | |
|---|---|
protected MethodKey |
key
The method key discovered from the arguments. |
| Fields inherited from class org.apache.commons.jexl2.internal.AbstractExecutor |
|---|
method, objectClass, TRY_FAILED |
| Constructor Summary | |
|---|---|
protected |
AbstractExecutor.Method(java.lang.Class<?> c,
AbstractExecutor.Method.Parameter km)
Creates a new instance. |
| Method Summary | |
|---|---|
abstract java.lang.Object |
execute(java.lang.Object obj,
java.lang.Object[] args)
Invokes the method to be executed. |
java.lang.Class<?> |
getReturnType()
Returns the return type of the method invoked. |
java.lang.Object |
getTargetProperty()
Gets the property targeted by this executor. |
java.lang.Object |
invoke(java.lang.Object obj,
java.lang.Object[] params)
Invocation method, called when the method invocation should be performed and a value returned. |
java.lang.Object |
tryExecute(java.lang.String name,
java.lang.Object obj,
java.lang.Object[] args)
Tries to reuse this executor, checking that it is compatible with the actual set of arguments. |
java.lang.Object |
tryInvoke(java.lang.String name,
java.lang.Object obj,
java.lang.Object[] params)
Attempts to reuse this JexlMethod, checking that it is compatible with the actual set of arguments. |
| Methods inherited from class org.apache.commons.jexl2.internal.AbstractExecutor |
|---|
equals, equals, getMethod, getMethodName, getTargetClass, hashCode, isAlive, isCacheable, tryFailed |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.apache.commons.jexl2.introspection.JexlMethod |
|---|
isCacheable, tryFailed |
| Field Detail |
|---|
protected final MethodKey key
| Constructor Detail |
|---|
protected AbstractExecutor.Method(java.lang.Class<?> c,
AbstractExecutor.Method.Parameter km)
c - the class this executor applies tokm - the method and MethodKey to encapsulate.| Method Detail |
|---|
public final java.lang.Object invoke(java.lang.Object obj,
java.lang.Object[] params)
throws java.lang.Exception
invoke in interface JexlMethodobj - the objectparams - method parameters.
java.lang.Exception - on any error.
public final java.lang.Object tryInvoke(java.lang.String name,
java.lang.Object obj,
java.lang.Object[] params)
tryInvoke in interface JexlMethodname - the method nameobj - the object to invoke the method uponparams - the method arguments
public java.lang.Object getTargetProperty()
getTargetProperty in class AbstractExecutorpublic final java.lang.Class<?> getReturnType()
getReturnType in interface JexlMethod
public abstract java.lang.Object execute(java.lang.Object obj,
java.lang.Object[] args)
throws java.lang.IllegalAccessException,
java.lang.reflect.InvocationTargetException
obj - the object to invoke the method uponargs - the method arguments
java.lang.IllegalAccessException - Method is inaccessible.
java.lang.reflect.InvocationTargetException - Method body throws an exception.
public java.lang.Object tryExecute(java.lang.String name,
java.lang.Object obj,
java.lang.Object[] args)
obj - the object to invoke the method uponname - the method nameargs - the method arguments
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