com.espertech.esper.client.soda

Class MethodInvocationStream

java.lang.Object

com.espertech.esper.client.soda.Stream

com.espertech.esper.client.soda.MethodInvocationStream

All Implemented Interfaces:

Serializable

public class MethodInvocationStream
extends Stream

An stream that polls from a method.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MethodInvocationStream() Ctor.
MethodInvocationStream(String className, String methodName, String optStreamName) Ctor.

Method Summary

Modifier and Type	Method and Description
MethodInvocationStream	addParameter(Expression parameterExpression) Adds a parameters to the method invocation.
static MethodInvocationStream	create(String className, String methodName) Creates a new method-invocation-based stream without parameters.
static MethodInvocationStream	create(String className, String methodName, String optStreamName) Creates a new method-invocation-based stream without parameters.
String	getClassName() Returns the name of the class providing the method.
String	getMethodName() Returns the name of the static method to invoke in the from-clause.
String	getOptionalEventTypeName() Returns the optional event type name
List<Expression>	getParameterExpressions() Returns a list of expressions that are parameters to the method.
void	setClassName(String className) Sets the name of the class providing the method.
void	setMethodName(String methodName) Sets the name of the static method to invoke in the from-clause.
void	setOptionalEventTypeName(String optionalEventTypeName) Sets the optional event type name
void	setParameterExpressions(List<Expression> parameterExpressions) Sets a list of expressions that are parameters to the method.
void	toEPLStream(StringWriter writer, EPStatementFormatter formatter) Renders the stream in textual representation.
void	toEPLStreamOptions(StringWriter writer) Renders the stream in textual representation any stream options, if present.
void	toEPLStreamType(StringWriter writer) Renders the stream type under a non-complete textual representation for tool use

Methods inherited from class com.espertech.esper.client.soda.Stream

getStreamName, setStreamName, toEPL

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodInvocationStream

public MethodInvocationStream()

Ctor.

MethodInvocationStream

public MethodInvocationStream(String className,
                              String methodName,
                              String optStreamName)

Ctor.

Parameters:

className - is the name of the class providing the method

methodName - is the name of the public static method

optStreamName - is the optional as-name of the stream, or null if unnamed

Method Detail

create

public static MethodInvocationStream create(String className,
                                            String methodName)

Creates a new method-invocation-based stream without parameters.

Parameters:

className - is the name of the class providing the method

methodName - is the name of the public static method

Returns:

stream

create

public static MethodInvocationStream create(String className,
                                            String methodName,
                                            String optStreamName)

Creates a new method-invocation-based stream without parameters.

Parameters:

className - is the name of the class providing the method

methodName - is the name of the public static method

optStreamName - is the optional as-name of the stream, or null if unnamed

Returns:

stream

getClassName

public String getClassName()

Returns the name of the class providing the method.

Returns:

class name

setClassName

public void setClassName(String className)

Sets the name of the class providing the method.

Parameters:

className - class name

getMethodName

public String getMethodName()

Returns the name of the static method to invoke in the from-clause.

Returns:

method name

setMethodName

public void setMethodName(String methodName)

Sets the name of the static method to invoke in the from-clause.

Parameters:

methodName - method name

getParameterExpressions

public List<Expression> getParameterExpressions()

Returns a list of expressions that are parameters to the method.

Returns:

list of parameter expressions

setParameterExpressions

public void setParameterExpressions(List<Expression> parameterExpressions)

Sets a list of expressions that are parameters to the method.

Parameters:

parameterExpressions - list of parameter expressions

getOptionalEventTypeName

public String getOptionalEventTypeName()

Returns the optional event type name

Returns:

event type name name

setOptionalEventTypeName

public void setOptionalEventTypeName(String optionalEventTypeName)

Sets the optional event type name

Parameters:

optionalEventTypeName - event type name name

addParameter

public MethodInvocationStream addParameter(Expression parameterExpression)

Adds a parameters to the method invocation.

Parameters:

parameterExpression - is the expression to add

Returns:

stream

toEPLStream

public void toEPLStream(StringWriter writer,
                        EPStatementFormatter formatter)

Description copied from class: Stream

Renders the stream in textual representation.

Specified by:

toEPLStream in class Stream

Parameters:

writer - to output to

formatter - for newline-whitespace formatting

toEPLStreamType

public void toEPLStreamType(StringWriter writer)

Description copied from class: Stream

Renders the stream type under a non-complete textual representation for tool use

Specified by:

toEPLStreamType in class Stream

Parameters:

writer - to output to

toEPLStreamOptions

public void toEPLStreamOptions(StringWriter writer)

Description copied from class: Stream

Renders the stream in textual representation any stream options, if present.

Specified by:

toEPLStreamOptions in class Stream

Parameters:

writer - to output to