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java.lang.Objectorg.apache.commons.jexl3.internal.introspection.AbstractExecutor.Get
org.apache.commons.jexl3.internal.introspection.MapGetExecutor
public final class MapGetExecutor
Specialized executor to get a property from a Map.
Nested Class Summary | |
---|---|
static class |
AbstractExecutor.Get
Abstract class that is used to execute an arbitrary 'get' method. |
static class |
AbstractExecutor.Method
Abstract class that is used to execute an arbitrary method. |
static class |
AbstractExecutor.Set
Abstract class that is used to execute an arbitrary 'set' method. |
Field Summary | |
---|---|
protected Method |
method
Method to be executed. |
protected Class<?> |
objectClass
The class this executor applies to. |
static Object |
TRY_FAILED
A marker for invocation failures in tryInvoke. |
Method Summary | |
---|---|
static MapGetExecutor |
discover(Introspector is,
Class<?> clazz,
Object identifier)
Attempts to discover a MapGetExecutor. |
boolean |
equals(org.apache.commons.jexl3.internal.introspection.AbstractExecutor arg)
Indicates whether some other executor is equivalent to this one. |
boolean |
equals(Object obj)
|
Method |
getMethod()
Gets the method to be executed or used as a marker. |
String |
getMethodName()
Gets the method name used. |
Class<?> |
getTargetClass()
Gets the object class targeted by this executor. |
Object |
getTargetProperty()
Gets the property targeted by this executor. |
int |
hashCode()
|
Object |
invoke(Object obj)
Method used to get the property value of an object. |
boolean |
isAlive()
Tell whether the executor is alive by looking at the value of the method. |
boolean |
isCacheable()
Specifies if this executor is cacheable and able to be reused for this class of object it was returned for. |
boolean |
tryFailed(Object exec)
Checks whether a tryExecute failed or not. |
Object |
tryInvoke(Object obj,
Object key)
Attempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments. |
Methods inherited from class java.lang.Object |
---|
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.commons.jexl3.introspection.JexlPropertyGet |
---|
isCacheable, tryFailed |
Field Detail |
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public static final Object TRY_FAILED
protected final Class<?> objectClass
protected final Method method
Method Detail |
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public static MapGetExecutor discover(Introspector is, Class<?> clazz, Object identifier)
is
- the introspectorclazz
- the class to find the get method fromidentifier
- the key to use as an argument to the get method
public Object getTargetProperty()
public Object invoke(Object obj)
JexlPropertyGet
obj
- the object to get the property value from.
public Object tryInvoke(Object obj, Object key)
JexlPropertyGet
obj
- the object to invoke the property get uponkey
- the property key to get
public boolean equals(Object obj)
equals
in class Object
public int hashCode()
hashCode
in class Object
public boolean equals(org.apache.commons.jexl3.internal.introspection.AbstractExecutor arg)
arg
- the other executor to check
public final boolean isAlive()
public boolean isCacheable()
public final Method getMethod()
public final Class<?> getTargetClass()
public final String getMethodName()
public final boolean tryFailed(Object exec)
exec
- the value returned by tryExecute
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