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java.lang.Objectcom.espertech.esper.client.soda.ExpressionBase
com.espertech.esper.client.soda.MaxRowExpression
public class MaxRowExpression
Maximum-value per-row expression (not aggregating) determines the maximum value among a set of values.
Constructor Summary | |
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MaxRowExpression()
Ctor - for use to create an expression tree, without child expression. |
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MaxRowExpression(Expression exprOne,
Expression exprTwo,
Expression... moreExpressions)
Ctor. |
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MaxRowExpression(String propertyOne,
String propertyTwo,
String[] moreProperties)
Ctor. |
Method Summary | |
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MaxRowExpression |
add(Expression expression)
Add an expression to include in the computation. |
MaxRowExpression |
add(Object object)
Add a constant to include in the computation. |
MaxRowExpression |
add(String propertyName)
Add a property to include in the computation. |
void |
toEPL(StringWriter writer)
Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax. |
Methods inherited from class com.espertech.esper.client.soda.ExpressionBase |
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addChild, getChildren |
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 MaxRowExpression()
Use add methods to add child expressions to acts upon.
public MaxRowExpression(String propertyOne, String propertyTwo, String[] moreProperties)
propertyOne
- the name of the property providing a value to determine the maximum ofpropertyTwo
- the name of the property providing a value to determine the maximum ofmoreProperties
- optional additional properties to considerpublic MaxRowExpression(Expression exprOne, Expression exprTwo, Expression... moreExpressions)
exprOne
- provides a value to determine the maximum ofexprTwo
- provides a value to determine the maximum ofmoreExpressions
- optional additional values to considerMethod Detail |
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public MaxRowExpression add(Object object)
object
- constant to add
public MaxRowExpression add(Expression expression)
expression
- to add
public MaxRowExpression add(String propertyName)
propertyName
- is the name of the property
public void toEPL(StringWriter writer)
Expression
writer
- is the output to use
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