public class MeanMetric extends Metric
| Constructor and Description |
|---|
MeanMetric(StreamExpression expression,
StreamFactory factory) |
MeanMetric(String columnName) |
| Modifier and Type | Method and Description |
|---|---|
String[] |
getColumns() |
Double |
getValue() |
Metric |
newInstance() |
StreamExpressionParameter |
toExpression(StreamFactory factory) |
void |
update(Tuple tuple) |
getFunctionName, getIdentifier, getMetricNodeId, setFunctionName, setIdentifier, setIdentifier, toExplanationpublic MeanMetric(String columnName)
public MeanMetric(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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