com.espertech.esper.client.soda
Class ExpressionPlaceholder

java.lang.Object
  com.espertech.esper.client.soda.ExpressionBase
      com.espertech.esper.client.soda.ExpressionPlaceholder

All Implemented Interfaces:

Expression, java.io.Serializable

public class ExpressionPlaceholder
extends ExpressionBase

For use in expression as a placeholder to represent its child nodes.

See Also:

Serialized Form

Constructor Summary

ExpressionPlaceholder()
Ctor.

Method Summary

ExpressionPrecedenceEnum	getPrecedence() Returns precedence.
void	toPrecedenceFreeEPL(java.io.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

ExpressionPlaceholder

public ExpressionPlaceholder()

Ctor.

Method Detail

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(java.io.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

getPrecedence

public ExpressionPrecedenceEnum getPrecedence()

Description copied from interface: Expression

Returns precedence.

Returns:

precedence