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java.lang.Objectnet.esper.eql.expression.ExprSumNode.FloatSum
public static class ExprSumNode.FloatSum
Sum for float values.
Constructor Summary | |
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ExprSumNode.FloatSum()
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Method Summary | |
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void |
enter(Object object)
Apply the value as entering aggregation (entering window). |
Object |
getValue()
Returns the current value held. |
Class |
getValueType()
Returns the type of the current value. |
void |
leave(Object object)
Apply the value as leaving aggregation (leaving window). |
Aggregator |
newAggregator()
Make a new, initalized aggregation state. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ExprSumNode.FloatSum()
Method Detail |
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public void enter(Object object)
Aggregator
The value can be null since 'null' values may be counted as unique separate values.
enter
in interface Aggregator
object
- to add to aggregatepublic void leave(Object object)
Aggregator
The value can be null since 'null' values may be counted as unique separate values.
leave
in interface Aggregator
object
- to remove from aggregatepublic Object getValue()
Aggregator
getValue
in interface Aggregator
public Class getValueType()
Aggregator
getValueType
in interface Aggregator
public Aggregator newAggregator()
Aggregator
newAggregator
in interface Aggregator
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