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

Class PatternGuardExpr

java.lang.Object

com.espertech.esper.common.client.soda.EPBaseNamedObject

com.espertech.esper.common.client.soda.PatternGuardExpr

All Implemented Interfaces:

PatternExpr, Serializable

public class PatternGuardExpr
extends EPBaseNamedObject
implements PatternExpr

Guard is the where timer-within pattern object for use in pattern expressions.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PatternGuardExpr(String namespace, String name, Expression[] parameters, PatternExpr guarded)	Ctor - for use to create a pattern expression tree, without pattern child expression.
PatternGuardExpr(String namespace, String name, List<Expression> parameters)	Ctor - for use to create a pattern expression tree, without pattern child expression.
PatternGuardExpr(String namespace, String name, List<Expression> parameters, PatternExpr guardedPattern)	Ctor - for use to create a pattern expression tree, without pattern child expression.

Method Summary

Modifier and Type	Method	Description
List<PatternExpr>	getChildren()	Returns the list of pattern sub-expressions (child expressions) to the current pattern expression node.
List<PatternExpr>	getGuarded()	Get sub expression
PatternExprPrecedenceEnum	getPrecedence()	Returns the precedence.
String	getTreeObjectName()	Returns the id for the pattern expression, for use by tools.
void	setChildren(List<PatternExpr> children)	Sets the list of pattern sub-expressions (child expressions) to the current pattern expression node.
void	setGuarded(List<PatternExpr> guarded)	Set sub pattern.
void	setTreeObjectName(String treeObjectName)	Sets and id for the pattern expression, for use by tools.
final void	toEPL(StringWriter writer, PatternExprPrecedenceEnum parentPrecedence, EPStatementFormatter formatter)	Renders the pattern expression and all it's child expressions, in full tree depth, as a string in language syntax.
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.EPBaseNamedObject

getName, getNamespace, getParameters, setName, setNamespace, setParameters, toEPL

Methods inherited from class java.lang.Object

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

Constructor Details

PatternGuardExpr

public PatternGuardExpr(String namespace,
 String name,
 List<Expression> parameters)

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

Parameters:

namespace - is the guard object namespace

name - is the guard object name

parameters - is guard object parameters

PatternGuardExpr

public PatternGuardExpr(String namespace,
 String name,
 Expression[] parameters,
 PatternExpr guarded)

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

Parameters:

namespace - is the guard object namespace

name - is the guard object name

parameters - is guard object parameters

guarded - is the guarded pattern expression

PatternGuardExpr

public PatternGuardExpr(String namespace,
 String name,
 List<Expression> parameters,
 PatternExpr guardedPattern)

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

Parameters:

namespace - is the guard object namespace

name - is the guard object name

parameters - is guard object parameters

guardedPattern - is the guarded pattern expression

Method Details

getChildren

public List<PatternExpr> getChildren()

Description copied from interface: PatternExpr

Returns the list of pattern sub-expressions (child expressions) to the current pattern expression node.

Specified by:

getChildren in interface PatternExpr

Returns:

pattern child expressions or empty list if there are no child expressions

setGuarded

public void setGuarded(List<PatternExpr> guarded)

Set sub pattern.

Parameters:

guarded - sub expression

getGuarded

public List<PatternExpr> getGuarded()

Get sub expression

Returns:

sub pattern

getTreeObjectName

public String getTreeObjectName()

Description copied from interface: PatternExpr

Returns the id for the pattern expression, for use by tools.

Specified by:

getTreeObjectName in interface PatternExpr

Returns:

id

setTreeObjectName

public void setTreeObjectName(String treeObjectName)

Description copied from interface: PatternExpr

Sets and id for the pattern expression, for use by tools.

Specified by:

setTreeObjectName in interface PatternExpr

Parameters:

treeObjectName - id

getPrecedence

public PatternExprPrecedenceEnum getPrecedence()

Description copied from interface: PatternExpr

Returns the precedence.

Specified by:

getPrecedence in interface PatternExpr

Returns:

precedence

toEPL

public final void toEPL(StringWriter writer,
 PatternExprPrecedenceEnum parentPrecedence,
 EPStatementFormatter formatter)

Description copied from interface: PatternExpr

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

Specified by:

toEPL in interface PatternExpr

Parameters:

writer - is the output to use

parentPrecedence - precedence

formatter - formatter

toPrecedenceFreeEPL

public 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.

Parameters:

writer - is the output to use

formatter - for newline-whitespace formatting

setChildren

public void setChildren(List<PatternExpr> children)

Description copied from interface: PatternExpr

Sets the list of pattern sub-expressions (child expressions) to the current pattern expression node.

Specified by:

setChildren in interface PatternExpr

Parameters:

children - pattern child expressions or empty list if there are no child expressions