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java.lang.Objectorg.apache.commons.jexl3.internal.introspection.FieldSetExecutor
public final class FieldSetExecutor
A JexlPropertySet for public fields.
Method Summary | |
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static JexlPropertySet |
discover(Introspector is,
Class<?> clazz,
String identifier,
Object value)
Attempts to discover a FieldSetExecutor. |
Object |
invoke(Object obj,
Object arg)
Method used to set the property value of an object. |
boolean |
isCacheable()
Specifies if this JexlPropertySet is cacheable and able to be reused for this class of object it was returned for. |
boolean |
tryFailed(Object rval)
Checks whether a tryInvoke failed or not. |
Object |
tryInvoke(Object obj,
Object key,
Object value)
Attempts to reuse this JexlPropertySet, checking that it is compatible with the actual set of arguments. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static JexlPropertySet discover(Introspector is, Class<?> clazz, String identifier, Object value)
is
- the introspectorclazz
- the class to find the get method fromidentifier
- the key to use as an argument to the get methodvalue
- the value to set the field to
public Object invoke(Object obj, Object arg) throws Exception
JexlPropertySet
invoke
in interface JexlPropertySet
obj
- Object on which the property setter will be called with the valuearg
- value to be set
Exception
- on any error.public Object tryInvoke(Object obj, Object key, Object value)
JexlPropertySet
tryInvoke
in interface JexlPropertySet
obj
- the object to invoke the the get uponkey
- the property key to getvalue
- the property value to set
public boolean tryFailed(Object rval)
JexlPropertySet
tryFailed
in interface JexlPropertySet
rval
- the value returned by tryInvoke
public boolean isCacheable()
JexlPropertySet
isCacheable
in interface JexlPropertySet
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