Interface JexlPropertySet
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- All Known Implementing Classes:
AbstractExecutor.Set
,DuckSetExecutor
,FieldSetExecutor
,ListSetExecutor
,MapSetExecutor
,PropertySetExecutor
public interface JexlPropertySet
Interface used for setting values that appear to be properties. Ex.${foo.bar = "hello"}
- Since:
- 1.0
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.Object
invoke(java.lang.Object obj, java.lang.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(java.lang.Object rval)
Checks whether a tryInvoke failed or not.java.lang.Object
tryInvoke(java.lang.Object obj, java.lang.Object key, java.lang.Object value)
Attempts to reuse this JexlPropertySet, checking that it is compatible with the actual set of arguments.
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Method Detail
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invoke
java.lang.Object invoke(java.lang.Object obj, java.lang.Object arg) throws java.lang.Exception
Method used to set the property value of an object.- Parameters:
obj
- Object on which the property setter will be called with the valuearg
- value to be set- Returns:
- the value returned from the set operation (impl specific)
- Throws:
java.lang.Exception
- on any error.
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isCacheable
boolean isCacheable()
Specifies if this JexlPropertySet is cacheable and able to be reused for this class of object it was returned for.- Returns:
- true if can be reused for this class, false if not
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tryFailed
boolean tryFailed(java.lang.Object rval)
Checks whether a tryInvoke failed or not.- Parameters:
rval
- the value returned by tryInvoke- Returns:
- true if tryInvoke failed, false otherwise
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tryInvoke
java.lang.Object tryInvoke(java.lang.Object obj, java.lang.Object key, java.lang.Object value) throws JexlException.TryFailed
Attempts to reuse this JexlPropertySet, checking that it is compatible with the actual set of arguments.- Parameters:
obj
- the object to invoke the get uponkey
- the property key to getvalue
- the property value to set- Returns:
- the result of the method invocation that should be checked by tryFailed to determine if it succeeded or failed.
- Throws:
JexlException.TryFailed
- if the underlying method was invoked but threw an exception (InvocationTargetException
)
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