com.espertech.esper.client.soda

Class ExpressionDeclaration

java.lang.Object

com.espertech.esper.client.soda.ExpressionDeclaration

All Implemented Interfaces:

Serializable

public class ExpressionDeclaration
extends Object
implements Serializable

Represents a single expression declaration that applies to a given statement.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ExpressionDeclaration() Ctor.
ExpressionDeclaration(String name, List<String> parameterNames, Expression expression, boolean alias) Ctor.

Method Summary

Modifier and Type	Method and Description
Expression	getExpression() Returns the expression body.
String	getName() Returns expression name.
List<String>	getParameterNames() Returns the paramater names.
boolean	isAlias() Returns indicator whether the expression is an alias or not.
void	setAlias(boolean alias) Sets indicator whether the expression is an alias or not.
void	setExpression(Expression expression) Sets the expression body.
void	setName(String name) Sets expression name.
void	setParameterNames(List<String> parameterNames) Sets the paramater names.
void	toEPL(StringWriter writer) Print part.
static void	toEPL(StringWriter writer, List<ExpressionDeclaration> expressionDeclarations, EPStatementFormatter formatter) Print.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionDeclaration

public ExpressionDeclaration()

Ctor.

ExpressionDeclaration

public ExpressionDeclaration(String name,
                             List<String> parameterNames,
                             Expression expression,
                             boolean alias)

Ctor.

Parameters:

name - of expression

parameterNames - expression paramater names

expression - the expression body

alias - indicator whether this is an expression alias or not

Method Detail

getName

public String getName()

Returns expression name.

Returns:

name

setName

public void setName(String name)

Sets expression name.

Parameters:

name - name to set

getExpression

public Expression getExpression()

Returns the expression body.

Returns:

expression body

setExpression

public void setExpression(Expression expression)

Sets the expression body.

Parameters:

expression - body to set

getParameterNames

public List<String> getParameterNames()

Returns the paramater names.

Returns:

paramater names

isAlias

public boolean isAlias()

Returns indicator whether the expression is an alias or not.

Returns:

alias indicator

setAlias

public void setAlias(boolean alias)

Sets indicator whether the expression is an alias or not.

Parameters:

alias - alias indicator

setParameterNames

public void setParameterNames(List<String> parameterNames)

Sets the paramater names.

Parameters:

parameterNames - paramater names to set

toEPL

public static void toEPL(StringWriter writer,
                         List<ExpressionDeclaration> expressionDeclarations,
                         EPStatementFormatter formatter)

Print.

Parameters:

writer - to print to

expressionDeclarations - expression declarations

formatter - for newline-whitespace formatting

toEPL

public void toEPL(StringWriter writer)

Print part.

Parameters:

writer - to write to