com.espertech.esper.client.soda

Class ContextDescriptorInitiatedTerminated

java.lang.Object

com.espertech.esper.client.soda.ContextDescriptorInitiatedTerminated

All Implemented Interfaces:

ContextDescriptor, Serializable

public class ContextDescriptorInitiatedTerminated
extends Object
implements ContextDescriptor

Context dimension descriptor for a start-and-end temporal (single instance) or initiated-terminated (overlapping) context

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ContextDescriptorInitiatedTerminated() Ctor.
ContextDescriptorInitiatedTerminated(ContextDescriptorCondition startCondition, ContextDescriptorCondition endCondition, boolean overlapping) Ctor.
ContextDescriptorInitiatedTerminated(ContextDescriptorCondition startCondition, ContextDescriptorCondition endCondition, boolean overlapping, List<Expression> optionalDistinctExpressions) Ctor.

Method Summary

Modifier and Type	Method and Description
ContextDescriptorCondition	getEndCondition() Returns the condition that ends/terminates a context partition
List<Expression>	getOptionalDistinctExpressions() Returns the list of expressions providing distinct keys, if any
ContextDescriptorCondition	getStartCondition() Returns the condition that starts/initiates a context partition
boolean	isOverlapping() Returns true for overlapping context, false for non-overlapping.
void	setEndCondition(ContextDescriptorCondition endCondition) Sets the condition that ends/terminates a context partition
void	setOptionalDistinctExpressions(List<Expression> optionalDistinctExpressions) Sets the list of expressions providing distinct keys, if any
void	setOverlapping(boolean overlapping) Set to true for overlapping context, false for non-overlapping.
void	setStartCondition(ContextDescriptorCondition startCondition) Sets the condition that starts/initiates a context partition
void	toEPL(StringWriter writer, EPStatementFormatter formatter) Format as EPL.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextDescriptorInitiatedTerminated

public ContextDescriptorInitiatedTerminated()

Ctor.

ContextDescriptorInitiatedTerminated

public ContextDescriptorInitiatedTerminated(ContextDescriptorCondition startCondition,
                                            ContextDescriptorCondition endCondition,
                                            boolean overlapping,
                                            List<Expression> optionalDistinctExpressions)

Ctor.

Parameters:

startCondition - the condition that starts/initiates a context partition

endCondition - the condition that ends/terminates a context partition

overlapping - true for overlapping contexts

optionalDistinctExpressions - list of distinct-value expressions, can be null

ContextDescriptorInitiatedTerminated

public ContextDescriptorInitiatedTerminated(ContextDescriptorCondition startCondition,
                                            ContextDescriptorCondition endCondition,
                                            boolean overlapping)

Ctor.

Parameters:

startCondition - the condition that starts/initiates a context partition

endCondition - the condition that ends/terminates a context partition

overlapping - true for overlapping contexts

Method Detail

getStartCondition

public ContextDescriptorCondition getStartCondition()

Returns the condition that starts/initiates a context partition

Returns:

start condition

setStartCondition

public void setStartCondition(ContextDescriptorCondition startCondition)

Sets the condition that starts/initiates a context partition

Parameters:

startCondition - start condition

getEndCondition

public ContextDescriptorCondition getEndCondition()

Returns the condition that ends/terminates a context partition

Returns:

end condition

setEndCondition

public void setEndCondition(ContextDescriptorCondition endCondition)

Sets the condition that ends/terminates a context partition

Parameters:

endCondition - end condition

isOverlapping

public boolean isOverlapping()

Returns true for overlapping context, false for non-overlapping.

Returns:

overlap indicator

setOverlapping

public void setOverlapping(boolean overlapping)

Set to true for overlapping context, false for non-overlapping.

Parameters:

overlapping - overlap indicator

getOptionalDistinctExpressions

public List<Expression> getOptionalDistinctExpressions()

Returns the list of expressions providing distinct keys, if any

Returns:

distinct expressions

setOptionalDistinctExpressions

public void setOptionalDistinctExpressions(List<Expression> optionalDistinctExpressions)

Sets the list of expressions providing distinct keys, if any

Parameters:

optionalDistinctExpressions - distinct expressions

toEPL

public void toEPL(StringWriter writer,
                  EPStatementFormatter formatter)

Description copied from interface: ContextDescriptor

Format as EPL.

Specified by:

toEPL in interface ContextDescriptor

Parameters:

writer - output

formatter - formatter