public class StdMetric extends Metric
outputLong| Constructor and Description | 
|---|
| StdMetric(StreamExpression expression,
         StreamFactory factory) | 
| StdMetric(String columnName) | 
| StdMetric(String columnName,
         boolean outputLong) | 
| Modifier and Type | Method and Description | 
|---|---|
| String[] | getColumns() | 
| Number | getValue() | 
| Metric | newInstance() | 
| StreamExpressionParameter | toExpression(StreamFactory factory) | 
| void | update(Tuple tuple) | 
getFunctionName, getIdentifier, getMetricNodeId, setFunctionName, setIdentifier, setIdentifier, toExplanationpublic StdMetric(String columnName)
public StdMetric(String columnName, boolean outputLong)
public StdMetric(StreamExpression expression, StreamFactory factory) throws IOException
IOExceptionpublic Metric newInstance()
newInstance in class Metricpublic String[] getColumns()
getColumns in class Metricpublic StreamExpressionParameter toExpression(StreamFactory factory) throws IOException
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