# PvaClientGetData

This class provides access to the data returned by calls to get data via PvaChannelGet It provides methods:

    getStructure          Get the introspection interface for data returned from server
    getPVStructure        Get the complete set of data returned from the server.
    getChangedBitSet      Get the bitSet that shows which fields have a new value since last get.
    showChanged           Show all the fields that have changed value since the last get,
    getAlarm              If a alarm field is available get it.
    getTimeStamp          If a timeStamp field is available get it.
    hasValue              Does the PVStructure have a top level field named value
    NOTE: The following only apply if hasValue is true.
    isValueScalar         Is the value field a scalar?
    isValueScalarArray    Is the value field a scalar array?
    getValue              Get the value field.
    getScalarValue        Get a scalar value field.
    getArrayValue         Get an array value field.
    getScalarArrayValue   Get a scalar array value field.
    getDouble             Get scalar value field as a double.
    getString             Get value field as a string.
    getDoubleArray        Get value field as a double array.
    getStringArray        Get value field as a string array.