com.whitestein.lsps.engine.lang

Class EvaluationLevelConverter

java.lang.Object

com.whitestein.lsps.engine.lang.EvaluationLevelConverter

public class EvaluationLevelConverter
extends Object

Converts to/from evaluation values. Cyclic references are be handled correctly.

Author:

bhl

Constructor Summary

Constructors

Constructor and Description
EvaluationLevelConverter(ModelInstance modelInstance, ModelProvider modelProvider) Creates a new instance.
EvaluationLevelConverter(RuntimeToPersistentConverter converter) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
ClosureHolder	closureInLevel(String level, ClosureHolder closureHolder) Returns closure holder in the required evaluation level.
static Context	contextInLevel(String level, Context context, ModelProvider modelProvider) Returns context for the specified level.
Context	contextInLevel(String level, long contextId) Returns context for the specified level.
ExecutionContext	executionContextInLevel(String level, ExecutionContext executionContext) Returns an execution context for an specified evaluation level.
protected ModelInstance	getModelInstance()
protected ModelProvider	getModelProvider()
static Namespace	namespaceInLevel(String level, Namespace namespace, ModelProvider modelProvider) Returns a namespace for an specified evaluation level.
ReadOnlyRecordHolder	readOnlyRecordInTheLevel(String level, RecordHolder recordHolder) Returns read only record that corresponds to the record on the specified level.
Object	runtimeObjectInLevel(String level, Object runtimeObject, Type type) Returns a runtime object for a specified level.
Value	valueInLevel(String level, Value value) Returns an evaluation value for an original value.

Methods inherited from class java.lang.Object

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

Constructor Detail

EvaluationLevelConverter

public EvaluationLevelConverter(RuntimeToPersistentConverter converter)

Creates a new instance.

Parameters:

converter -

EvaluationLevelConverter

public EvaluationLevelConverter(ModelInstance modelInstance,
                                ModelProvider modelProvider)

Creates a new instance.

Parameters:

modelInstance -

modelProvider -

Method Detail

getModelInstance

protected ModelInstance getModelInstance()

getModelProvider

protected ModelProvider getModelProvider()

contextInLevel

public static Context contextInLevel(String level,
                                     Context context,
                                     ModelProvider modelProvider)

Returns context for the specified level. For context that is already in the level returns the same context.

Parameters:

level -

context -

modelProvider -

Returns:

an evaluation context for the original context

contextInLevel

public Context contextInLevel(String level,
                              long contextId)

Returns context for the specified level. For context that is already in the level returns the same context.

Parameters:

level -

contextId -

Returns:

evaluation context for the contextId

executionContextInLevel

public ExecutionContext executionContextInLevel(String level,
                                                ExecutionContext executionContext)

Returns an execution context for an specified evaluation level.

Parameters:

level -

executionContext -

Returns:

an execution context for an evaluation context for the original context

namespaceInLevel

public static Namespace namespaceInLevel(String level,
                                         Namespace namespace,
                                         ModelProvider modelProvider)

Returns a namespace for an specified evaluation level.

Parameters:

level -

namespace -

modelProvider -

Returns:

a namespace for an evaluation context for the original context

valueInLevel

public Value valueInLevel(String level,
                          Value value)

Returns an evaluation value for an original value.

Parameters:

level -

value -

Returns:

an evaluation value for an original value

runtimeObjectInLevel

public Object runtimeObjectInLevel(String level,
                                   Object runtimeObject,
                                   Type type)

Returns a runtime object for a specified level.

Parameters:

level -

runtimeObject -

type -

Returns:

a runtime evaluation object for an original runtime object

closureInLevel

public ClosureHolder closureInLevel(String level,
                                    ClosureHolder closureHolder)

Returns closure holder in the required evaluation level. If referenced context does not exist in the level the top context is used and closure expression is compiled in this top context.

Parameters:

level -

closureHolder -

Returns:

closure holder in the required evaluation level

readOnlyRecordInTheLevel

public ReadOnlyRecordHolder readOnlyRecordInTheLevel(String level,
                                                     RecordHolder recordHolder)

Returns read only record that corresponds to the record on the specified level.

Parameters:

level -

recordHolder -

Returns:

read only record that corresponds to the record on the specified level