org.eclipse.m2m.atl.engine.emfvm.lib
Class ExecEnv

java.lang.Object
  org.eclipse.m2m.atl.engine.emfvm.lib.ExecEnv

public class ExecEnv
extends java.lang.Object

Execution environment.

Constructor Summary

ExecEnv(java.util.Map<java.lang.String,IModel> models, ITool[] tools)
Creates a new execenv parametrized by models.

Method Summary

void	enterTools(AbstractStackFrame frame) Enters the tools.
static java.lang.Object	findMetaElement(AbstractStackFrame frame, java.lang.Object mname, java.lang.Object me) Finds a meta element by its name.
Operation	getAttributeInitializer(java.lang.Object type, java.lang.String name) Returns the attribute initializer.
java.lang.Object	getHelperValue(AbstractStackFrame frame, java.lang.Object type, java.lang.Object element, java.lang.String name) Gets the value of an helper.
IModel	getModel(java.lang.Object name) Returns the model by name.
IModelAdapter	getModelAdapter()
java.lang.String	getModelNameOf(java.lang.Object element) Returns the model containing the element.
IModel	getModelOf(java.lang.Object element) Get the model of a given element.
java.util.Iterator<IModel>	getModels()
java.util.Map<java.lang.String,IModel>	getModelsByName()
java.lang.String	getNameOf(IModel model) Returns the model name.
long	getNbExecutedBytecodes()
Operation	getOperation(java.lang.Object type, java.lang.Object name) Find an operation by its context type and name.
void	incNbExecutedBytecodes() Increments the nbExecutedBytecodes.
void	init(IModelAdapter modelAdapterParam) Initializes the execenv.
boolean	isHelper(java.lang.Object type, java.lang.String name) Returns true if the given type has a helper with the given name.
boolean	isStep()
boolean	isWeavingHelper(java.lang.Object type, java.lang.String name) Returns true if there is a weaving helper for the given type and name.
void	leaveTools(AbstractStackFrame frame) Leaves the tools.
java.lang.Object	newElement(AbstractStackFrame frame, java.lang.Object ec) Creates a new element in the given frame.
java.lang.Object	newElement(AbstractStackFrame frame, java.lang.Object ec, java.lang.String metamodelName) Creates a new element in the given frame.
java.lang.Object	newElementIn(AbstractStackFrame frame, java.lang.Object ec, java.lang.String modelName) Creates a new element in the given frame and the given model.
void	prettyPrint(java.lang.Object value) Displays a value.
void	prettyPrint(java.io.PrintStream out, java.lang.Object value) Displays a value.
void	prettyPrintCollection(java.io.PrintStream out, java.util.Collection<?> col) Display a collection.
void	registerHelperAttribute(java.lang.Object type, java.lang.String name, java.lang.String initOperationName) Stores an attribute helper.
void	registerOperation(java.lang.Object type, Operation oper) Registers operation for a given type.
void	registerOperation(java.lang.Object type, Operation oper, java.lang.String name) Deprecated. use registerOperation(Object, Operation) instead
void	registerWeavingHelper(java.lang.Object type, java.lang.String name, java.lang.String persistTo) Registers a weaving helper.
void	setHelperValue(java.lang.Object element, java.lang.String name, java.lang.Object value) Sets an helper value (only for weaving helpers).
void	setStep(boolean step)
void	stepTools(AbstractStackFrame frame) Steps the tools.
void	terminated() Ends the execution.
void	terminateTools() Terminates the tools.
java.lang.String	toPrettyPrintedString(java.lang.Object value) Converts a value to a displayable string.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecEnv

public ExecEnv(java.util.Map<java.lang.String,IModel> models,
               ITool[] tools)

Creates a new execenv parametrized by models.

Parameters:

models - the models map

tools - the execution tools

Method Detail

stepTools

public void stepTools(AbstractStackFrame frame)

Steps the tools.

Parameters:

frame - the frame

enterTools

public void enterTools(AbstractStackFrame frame)

Enters the tools.

Parameters:

frame - the frame

leaveTools

public void leaveTools(AbstractStackFrame frame)

Leaves the tools.

Parameters:

frame - the frame

terminateTools

public void terminateTools()

Terminates the tools.

init

public void init(IModelAdapter modelAdapterParam)

Initializes the execenv.

Parameters:

modelAdapterParam - the model adapter

getModelNameOf

public java.lang.String getModelNameOf(java.lang.Object element)

Returns the model containing the element.

Parameters:

element - a model element

Returns:

the model containing the element

getNameOf

public java.lang.String getNameOf(IModel model)

Returns the model name.

Parameters:

model - a model

Returns:

the model name

getModel

public IModel getModel(java.lang.Object name)

Returns the model by name.

Parameters:

name - the model name

Returns:

the model by name

getModels

public java.util.Iterator<IModel> getModels()

getOperation

public Operation getOperation(java.lang.Object type,
                              java.lang.Object name)

Find an operation by its context type and name.

Parameters:

type - operation context type

name - operation name

Returns:

the operation

registerHelperAttribute

public void registerHelperAttribute(java.lang.Object type,
                                    java.lang.String name,
                                    java.lang.String initOperationName)

Stores an attribute helper.

Parameters:

type - the attribute type

name - the attribute name

initOperationName - the init operation name

getAttributeInitializer

public Operation getAttributeInitializer(java.lang.Object type,
                                         java.lang.String name)

Returns the attribute initializer.

Parameters:

type - the attribute type

name - the attribute name

Returns:

the attribute initializer

getHelperValue

public java.lang.Object getHelperValue(AbstractStackFrame frame,
                                       java.lang.Object type,
                                       java.lang.Object element,
                                       java.lang.String name)

Gets the value of an helper.

Parameters:

frame - the frame context

type - the helper type

element - the element

name - the helper value name

Returns:

the value

registerOperation

public void registerOperation(java.lang.Object type,
                              Operation oper,
                              java.lang.String name)

Deprecated. use registerOperation(Object, Operation) instead

Registers operation for a given type.

Parameters:

type - the type

oper - the operation

name - the operation name

registerOperation

public void registerOperation(java.lang.Object type,
                              Operation oper)

Registers operation for a given type.

Parameters:

type - the type

oper - the operation

toPrettyPrintedString

public java.lang.String toPrettyPrintedString(java.lang.Object value)

Converts a value to a displayable string.

Parameters:

value - the value to convert

Returns:

the displayable string

prettyPrint

public void prettyPrint(java.lang.Object value)

Displays a value.

Parameters:

value - the value to display

prettyPrint

public void prettyPrint(java.io.PrintStream out,
                        java.lang.Object value)

Displays a value.

Parameters:

out - the stream

value - the value to display

prettyPrintCollection

public void prettyPrintCollection(java.io.PrintStream out,
                                  java.util.Collection<?> col)

Display a collection.

Parameters:

out - the out stream

col - the collection

findMetaElement

public static java.lang.Object findMetaElement(AbstractStackFrame frame,
                                               java.lang.Object mname,
                                               java.lang.Object me)

Finds a meta element by its name.

Parameters:

frame - the frame context

mname - the metamodel name

me - the model element

Returns:

the meta element

newElement

public java.lang.Object newElement(AbstractStackFrame frame,
                                   java.lang.Object ec)

Creates a new element in the given frame.

Parameters:

frame - the frame context

ec - the element type

Returns:

the new element

newElement

public java.lang.Object newElement(AbstractStackFrame frame,
                                   java.lang.Object ec,
                                   java.lang.String metamodelName)

Creates a new element in the given frame.

Parameters:

frame - the frame context

ec - the element type

metamodelName - the metamodel name

Returns:

the new element

newElementIn

public java.lang.Object newElementIn(AbstractStackFrame frame,
                                     java.lang.Object ec,
                                     java.lang.String modelName)

Creates a new element in the given frame and the given model.

Parameters:

frame - the frame context

ec - the element type

modelName - the model name

Returns:

the new element

getModelsByName

public java.util.Map<java.lang.String,IModel> getModelsByName()

isStep

public boolean isStep()

setStep

public void setStep(boolean step)

getModelAdapter

public IModelAdapter getModelAdapter()

getNbExecutedBytecodes

public long getNbExecutedBytecodes()

incNbExecutedBytecodes

public void incNbExecutedBytecodes()

Increments the nbExecutedBytecodes.

isWeavingHelper

public boolean isWeavingHelper(java.lang.Object type,
                               java.lang.String name)

Returns true if there is a weaving helper for the given type and name.

Parameters:

type - the helper type

name - the helper name

Returns:

true if there is a weaving helper for the given type and name

registerWeavingHelper

public void registerWeavingHelper(java.lang.Object type,
                                  java.lang.String name,
                                  java.lang.String persistTo)

Registers a weaving helper.

Parameters:

type - the helper context

name - the helper name

persistTo - the name of the feature to persist

isHelper

public boolean isHelper(java.lang.Object type,
                        java.lang.String name)

Returns true if the given type has a helper with the given name.

Parameters:

type - the given type

name - the helper name

Returns:

true if the given type has a helper with the given name

setHelperValue

public void setHelperValue(java.lang.Object element,
                           java.lang.String name,
                           java.lang.Object value)

Sets an helper value (only for weaving helpers).

Parameters:

element - the helper context

name - the helper name

value - the value to set

terminated

public void terminated()

Ends the execution.

getModelOf

public IModel getModelOf(java.lang.Object element)

Get the model of a given element.

Parameters:

element - the given element

Returns:

the model