public class MaxMetric extends Metric implements Serializable
Constructor and Description |
---|
MaxMetric(StreamExpression expression,
StreamFactory factory) |
MaxMetric(String columnName) |
Modifier and Type | Method and Description |
---|---|
double |
getValue() |
Metric |
newInstance() |
StreamExpressionParameter |
toExpression(StreamFactory factory) |
void |
update(Tuple tuple) |
getFunctionName, getIdentifier, setFunctionName, setIdentifier, setIdentifier
public static final String MAX
public MaxMetric(String columnName)
public MaxMetric(StreamExpression expression, StreamFactory factory) throws IOException
IOException
public Metric newInstance()
newInstance
in class Metric
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException
toExpression
in interface Expressible
IOException
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