Package com.espertech.esper.common.client.soda

Class PatternAndExpr

java.lang.Object

com.espertech.esper.common.client.soda.PatternExprBase

com.espertech.esper.common.client.soda.PatternAndExpr

All Implemented Interfaces:

PatternExpr, Serializable

public class PatternAndExpr
extends PatternExprBase

Logical AND for use in pattern expressions.

See Also:

• Serialized Form

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
PatternAndExpr	add(PatternExpr expr)	Adds a pattern expression to the AND 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.common.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 Details

PatternAndExpr

public PatternAndExpr()

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

PatternAndExpr

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

Ctor.

Parameters:

first - a first pattern expression in the AND relationship

second - a second pattern expression in the AND relationship

patternExprs - further optional pattern expressions in the AND relationship

Method Details

add

public PatternAndExpr add(PatternExpr expr)

Adds a pattern expression to the AND 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