com.espertech.esper.client.soda

Class Disjunction

java.lang.Object

com.espertech.esper.client.soda.ExpressionBase

com.espertech.esper.client.soda.Junction

com.espertech.esper.client.soda.Disjunction

All Implemented Interfaces:

Expression, Serializable

public class Disjunction
extends Junction

Disjunction represents a logical OR allowing multiple sub-expressions to be connected by OR.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Disjunction() Ctor - for use to create an expression tree, without child expression.
Disjunction(Expression first, Expression second, Expression... expressions) Ctor.

Method Summary

Modifier and Type	Method and Description
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.Junction

add, add

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

Disjunction

public Disjunction()

Ctor - for use to create an expression tree, without child expression.

Use add methods to add child expressions to acts upon.

Disjunction

public Disjunction(Expression first,
                   Expression second,
                   Expression... expressions)

Ctor.

Parameters:

first - an expression to add to the OR-test

second - an expression to add to the OR-test

expressions - is the expression to put in the OR-relationship.

Method Detail

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