com.espertech.esper.common.internal.epl.expression.chain

Class Chainable

java.lang.Object

com.espertech.esper.common.internal.epl.expression.chain.Chainable

Direct Known Subclasses:

ChainableArray, ChainableCall, ChainableName

public abstract class Chainable
extends Object

Constructor Summary

Constructors

Constructor and Description
Chainable()
Chainable(boolean distinct, boolean optional)

Method Summary

Modifier and Type	Method and Description
abstract void	accept(ExprNodeVisitor visitor)
abstract void	accept(ExprNodeVisitorWithParent visitor)
abstract void	accept(ExprNodeVisitorWithParent visitor, ExprNode parent)
abstract void	addParametersTo(Collection<ExprNode> result)
static List<Chainable>	chainForDot(Chainable chainable)
protected boolean	equalsChainable(Chainable that)
abstract List<ExprNode>	getParametersOrEmpty()
abstract String	getRootNameOrEmptyString()
boolean	isDistinct()
boolean	isOptional()
static boolean	isPlainPropertyChain(Chainable chainable)
void	validate(ExprNodeOrigin origin, ExprValidationContext validationContext)
abstract void	validateExpressions(ExprNodeOrigin origin, ExprValidationContext validationContext)
protected static void	validateExpressions(List<ExprNode> expressions, ExprNodeOrigin origin, ExprValidationContext validationContext)

Methods inherited from class java.lang.Object

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

Constructor Detail

Chainable

public Chainable()

Chainable

public Chainable(boolean distinct,
                 boolean optional)

Method Detail

addParametersTo

public abstract void addParametersTo(Collection<ExprNode> result)

accept

public abstract void accept(ExprNodeVisitor visitor)

accept

public abstract void accept(ExprNodeVisitorWithParent visitor)

accept

public abstract void accept(ExprNodeVisitorWithParent visitor,
                            ExprNode parent)

getRootNameOrEmptyString

public abstract String getRootNameOrEmptyString()

getParametersOrEmpty

public abstract List<ExprNode> getParametersOrEmpty()

validateExpressions

public abstract void validateExpressions(ExprNodeOrigin origin,
                                         ExprValidationContext validationContext)
                                  throws ExprValidationException

Throws:

ExprValidationException

isDistinct

public boolean isDistinct()

isOptional

public boolean isOptional()

isPlainPropertyChain

public static boolean isPlainPropertyChain(Chainable chainable)

validate

public void validate(ExprNodeOrigin origin,
                     ExprValidationContext validationContext)
              throws ExprValidationException

Throws:

ExprValidationException

chainForDot

public static List<Chainable> chainForDot(Chainable chainable)

validateExpressions

protected static void validateExpressions(List<ExprNode> expressions,
                                          ExprNodeOrigin origin,
                                          ExprValidationContext validationContext)
                                   throws ExprValidationException

Throws:

ExprValidationException

equalsChainable

protected boolean equalsChainable(Chainable that)