com.espertech.esper.client.soda

Class PatternOrExpr

java.lang.Object

com.espertech.esper.client.soda.PatternExprBase

com.espertech.esper.client.soda.PatternOrExpr

All Implemented Interfaces:

PatternExpr, Serializable

public class PatternOrExpr
extends PatternExprBase

Logical OR for use in pattern expressions.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PatternOrExpr() Ctor - for use to create a pattern expression tree, without pattern child expression.
PatternOrExpr(PatternExpr first, PatternExpr second, PatternExpr... patternExprs) Ctor.

Method Summary

Modifier and Type	Method and Description
PatternOrExpr	add(PatternExpr expr) Adds a pattern expression to the OR relationship between patterns.
PatternExprPrecedenceEnum	getPrecedence() Returns the precedence.
void	toPrecedenceFreeEPL(StringWriter writer, EPStatementFormatter formatter) 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.PatternExprBase

addChild, getChildren, getTreeObjectName, setChildren, setTreeObjectName, toEPL

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternOrExpr

public PatternOrExpr()

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

PatternOrExpr

public PatternOrExpr(PatternExpr first,
                     PatternExpr second,
                     PatternExpr... patternExprs)

Ctor.

Parameters:

first - a first pattern expression in the OR relationship

second - a second pattern expression in the OR relationship

patternExprs - further optional pattern expressions in the OR relationship

Method Detail

add

public PatternOrExpr add(PatternExpr expr)

Adds a pattern expression to the OR relationship between patterns.

Parameters:

expr - to add

Returns:

pattern expression

getPrecedence

public PatternExprPrecedenceEnum getPrecedence()

Description copied from interface: PatternExpr

Returns the precedence.

Returns:

precedence

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(StringWriter writer,
                                EPStatementFormatter formatter)

Description copied from class: PatternExprBase

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

Specified by:

toPrecedenceFreeEPL in class PatternExprBase

Parameters:

writer - is the output to use

formatter - for newline-whitespace formatting