org.jsimpledb.parse.expr

Class EmptyArrayNode

java.lang.Object

org.jsimpledb.parse.expr.EmptyArrayNode

All Implemented Interfaces:

Node

public class EmptyArrayNode
extends Object

Node representing an "empty" array instantiation expression, i.e., with dimensions but no literal values.

Field Summary

Fields

Modifier and Type	Field and Description
protected ClassNode	baseTypeNode
protected int	numDimensions

Constructor Summary

Constructors

Constructor and Description
EmptyArrayNode(ClassNode baseTypeNode, List<Node> dimensionList) Constructor.

Method Summary

Modifier and Type	Method and Description
Value	evaluate(ParseSession session) Evaluate this node.
protected Class<?>	getBaseType(ParseSession session) Resolve the array base type.
Class<?>	getType(ParseSession session) Get the type of this node's value.

Methods inherited from class java.lang.Object

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

Field Detail

baseTypeNode

protected final ClassNode baseTypeNode

numDimensions

protected final int numDimensions

Constructor Detail

EmptyArrayNode

public EmptyArrayNode(ClassNode baseTypeNode,
                      List<Node> dimensionList)

Constructor.

Parameters:

baseTypeNode - array base type class node

dimensionList - list containing the sizes of each array dimension

Method Detail

evaluate

public Value evaluate(ParseSession session)

Description copied from interface: Node

Evaluate this node. There will be a transaction open.

Parameters:

session - parse session

Returns:

result of node evaluation

getBaseType

protected Class<?> getBaseType(ParseSession session)

Resolve the array base type.

Parameters:

session - parse session

Returns:

resolved array base type

Throws:

EvalException - if base type is void

EvalException - if base type cannot be resolved

getType

public Class<?> getType(ParseSession session)

Description copied from interface: Node

Get the type of this node's value.

If the type is unknown, Object.class should be returned.

Specified by:

getType in interface Node

Parameters:

session - parse session

Returns:

the expected type of the node