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public interface JexlPropertyGet
Interface for getting values that appear to be properties.
Ex.
${foo.bar}
Method Summary | |
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java.lang.Object |
invoke(java.lang.Object obj)
Method used to get the property value of an object. |
boolean |
isCacheable()
Specifies if this JexlPropertyGet 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)
Attempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments. |
Method Detail |
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java.lang.Object invoke(java.lang.Object obj) throws java.lang.Exception
obj
- the object to get the property value from.
java.lang.Exception
- on any error.java.lang.Object tryInvoke(java.lang.Object obj, java.lang.Object key)
obj
- the object to invoke the property get uponkey
- the property key to get
boolean tryFailed(java.lang.Object rval)
rval
- the value returned by tryInvoke
boolean isCacheable()
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