com.espertech.esper.client.soda

Class PatternFollowedByExpr

java.lang.Object

com.espertech.esper.client.soda.PatternExprBase

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

Method Summary

Modifier and Type	Method and 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.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

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 Detail

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