Interface JexlPropertyGet
public interface JexlPropertyGet
Interface for getting values that appear to be properties.
 Ex.
 
 ${foo.bar}
 - Since:
- 1.0
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Method SummaryModifier and TypeMethodDescriptionMethod used to get the property value of an object.booleanSpecifies if this JexlPropertyGet is cacheable and able to be reused for this class of object it was returned for.booleanChecks whether a tryInvoke failed or not.Attempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments.
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Method Details- 
invokeMethod used to get the property value of an object.- Parameters:
- obj- the object to get the property value from.
- Returns:
- the property value.
- Throws:
- Exception- on any error.
 
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isCacheableboolean isCacheable()Specifies if this JexlPropertyGet 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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tryFailedChecks whether a tryInvoke failed or not.- Parameters:
- rval- the value returned by tryInvoke
- Returns:
- true if tryInvoke failed, false otherwise
 
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tryInvokeAttempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments.- Parameters:
- obj- the object to invoke the property get upon
- key- the property key to get
- 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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