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

Class PatternFollowedByExpr

java.lang.Object

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

com.espertech.esper.common.client.soda.PatternFollowedByExpr

All Implemented Interfaces:

PatternExpr, Serializable

public class PatternFollowedByExpr
extends PatternExprBase

Followed-by for use in pattern expressions.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PatternFollowedByExpr()	Ctor - for use to create a pattern expression tree, without pattern child expression.
PatternFollowedByExpr(PatternExpr first, PatternExpr second, PatternExpr... patternExprs)	Ctor.
PatternFollowedByExpr(List<Expression> optionalMaxPerSubexpression)	Ctor.

Method Summary

Modifier and Type	Method	Description
PatternFollowedByExpr	add(PatternExpr expr)	Adds a pattern expression to the followed-by relationship between patterns.
List<Expression>	getOptionalMaxPerSubexpression()	Returns the instance limits, if any, for pattern-subexpressions.
PatternExprPrecedenceEnum	getPrecedence()	Returns the precedence.
void	setOptionalMaxPerSubexpression(List<Expression> optionalMaxPerSubexpression)	Sets the instance limits, if any, for pattern-subexpressions.
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

PatternFollowedByExpr

public PatternFollowedByExpr()

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

PatternFollowedByExpr

public PatternFollowedByExpr(List<Expression> optionalMaxPerSubexpression)

Ctor.

Parameters:

optionalMaxPerSubexpression - if parameterized by a max-limits for each pattern sub-expressions

PatternFollowedByExpr

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

Ctor.

Parameters:

first - a first pattern expression in the followed-by relationship

second - a second pattern expression in the followed-by relationship

patternExprs - further optional pattern expressions in the followed-by relationship

Method Details

add

public PatternFollowedByExpr add(PatternExpr expr)

Adds a pattern expression to the followed-by relationship between patterns.

Parameters:

expr - to add

Returns:

pattern expression

getPrecedence

public PatternExprPrecedenceEnum getPrecedence()

Description copied from interface: PatternExpr

Returns the precedence.

Returns:

precedence

getOptionalMaxPerSubexpression

public List<Expression> getOptionalMaxPerSubexpression()

Returns the instance limits, if any, for pattern-subexpressions.

Returns:

list of max-limit or null

setOptionalMaxPerSubexpression

public void setOptionalMaxPerSubexpression(List<Expression> optionalMaxPerSubexpression)

Sets the instance limits, if any, for pattern-subexpressions.

Parameters:

optionalMaxPerSubexpression - list of max-limit or null

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