com.espertech.esper.client.soda

Class SingleRowMethodExpression

java.lang.Object

com.espertech.esper.client.soda.ExpressionBase

com.espertech.esper.client.soda.SingleRowMethodExpression

All Implemented Interfaces:

Expression, Serializable

public class SingleRowMethodExpression
extends ExpressionBase

Generic single-row method call consists of a method name and parameters, possibly chained.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SingleRowMethodExpression(List<DotExpressionItem> chain) Ctor.
SingleRowMethodExpression(String method, Object[] parameters) Ctor.

Method Summary

Modifier and Type	Method and Description
List<DotExpressionItem>	getChain() Returns the optional method invocation chain for the single-row method consisting of pairs of method name and list of parameters.
ExpressionPrecedenceEnum	getPrecedence() Returns precedence.
void	toPrecedenceFreeEPL(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

addChild, getChildren, getTreeObjectName, renderAggregation, setChildren, setTreeObjectName, toEPL, toPrecedenceFreeEPL, toPrecedenceFreeEPL

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SingleRowMethodExpression

public SingleRowMethodExpression(String method,
                                 Object[] parameters)

Ctor.

Parameters:

method - method name

parameters - an optiona array of parameters

SingleRowMethodExpression

public SingleRowMethodExpression(List<DotExpressionItem> chain)

Ctor.

Parameters:

chain - of method invocations with at least one element, each pair a method name and list of parameter expressions

Method Detail

getChain

public List<DotExpressionItem> getChain()

Returns the optional method invocation chain for the single-row method consisting of pairs of method name and list of parameters.

Returns:

chain of method invocations

getPrecedence

public ExpressionPrecedenceEnum getPrecedence()

Description copied from interface: Expression

Returns precedence.

Returns:

precedence

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(StringWriter writer)

Description copied from class: ExpressionBase

Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Specified by:

toPrecedenceFreeEPL in class ExpressionBase

Parameters:

writer - is the output to use