io.permazen.parse.expr

Class ClassNode

java.lang.Object

io.permazen.parse.expr.ClassNode

All Implemented Interfaces:

Node

public class ClassNode
extends Object
implements Node

A Node that evaluates to a Class object, given the class' name.

Constructor Summary

Constructors

Constructor and Description
ClassNode(String className, boolean allowPrimitive) Constructor.

Method Summary

Modifier and Type	Method and Description
Value	evaluate(ParseSession session) Evaluate this node.
String	getClassName() Get the configured class name.
Class<?>	getType(ParseSession session) Get the type of this node's value.
static ClassNode	parse(ParseContext ctx, String name, boolean allowPrimitive)
Class<?>	resolveClass(ParseSession session) Attempt to resolve the class name.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassNode

public ClassNode(String className,
                 boolean allowPrimitive)

Constructor.

Parameters:

className - the name of the class

allowPrimitive - whether to allow primitive names like int

Throws:

IllegalArgumentException - if className is null

Method Detail

evaluate

public Value evaluate(ParseSession session)

Description copied from interface: Node

Evaluate this node. There will be a transaction open.

Specified by:

evaluate in interface Node

Parameters:

session - parse session

Returns:

result of node evaluation

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

resolveClass

public Class<?> resolveClass(ParseSession session)

Attempt to resolve the class name.

Parameters:

session - parse session

Returns:

resolved class

Throws:

EvalException - if name cannot be resolved

getClassName

public String getClassName()

Get the configured class name.

Returns:

class name

parse

public static ClassNode parse(ParseContext ctx,
                              String name,
                              boolean allowPrimitive)