com.whitestein.lsps.engine.lang

Class RecordNamespace

java.lang.Object

com.whitestein.lsps.engine.lang.AbstractContextNamespace

com.whitestein.lsps.engine.lang.RecordNamespace

All Implemented Interfaces:

Namespace, HolderFactory, JavaOperationExecutor, FreeTypeMapping

Direct Known Subclasses:

RecordProxySetNamespace

public class RecordNamespace
extends AbstractContextNamespace

Namespace for record/

Author:

bhl

Constructor Summary

Constructors

Constructor and Description
RecordNamespace(ModelProvider modelProvider, Namespace namespace, RecordHolder recordHolder) Creates new instance.

Method Summary

Modifier and Type	Method and Description
void	addNewVariable(java.lang.String name, Type type, boolean isDefinedInExpression, boolean readOnly) Adds a new variable.
boolean	canBeInterpretedIn(InterpreterConfiguration configuration) Returns true if interpretation with given configuration can be done on this namespace.
boolean	containsVariable(java.lang.String name) Returns true if this namespace contains variable of given name.
BinaryHolder	createBinaryHolder(byte[] data) Creates binary data holder.
BinaryHolder	createBinaryHolder(java.lang.String datasourceJndi, java.lang.String recordType, java.lang.String primaryKeyString, java.lang.String propertyName, java.sql.Blob data) Creates binary data holder.
Namespace	createChildNamespace(java.lang.String name, java.util.List<? extends Field> fields, java.util.List<?> initialValues, java.util.Map<FreeType,Type> freeTypeMapping, InterpreterConfiguration configuration)
ClosureHolder	createClosure(ClosureType closureType, ClosureExpression closureExpression, ClosureOrigin origin) Creates new closure corresponding to given closure expression.
ClosureHolder	createClosure(ClosureType closureType, FunctionExpression operationExpression, ClosureOrigin origin) Creates new closure corresponding to given operation expression.
ClosureHolder	createClosure(ClosureType closureType, MethodExpression operationExpression, ClosureOrigin origin) Creates new closure corresponding to given operation expression.
ClosureHolder	createClosureFromExpression(ClosureType closureType, Expression expression, ClosureOrigin origin) Creates new closure from a given expression.
RecordHolder	createExternalRecordProxy(RecordType type, RecordHolder proxySet) Creates a proxy without proxied record.
ListHolder	createList(java.util.Collection<?> values) Creates new list with given values (ListHolders are immutable).
MapHolder	createMap(java.util.List<?> keys, java.util.List<?> values) Creates new map with given values (MapHolders are immutable).
MapHolder	createMap(java.util.Map<?,?> values) Creates new map with given values (MapHolders are immutable).
RecordHolder	createNonSharedRecord(RecordType type, java.util.Map<java.lang.String,?> values) Creates new record of given type.
RecordHolder	createRecord(RecordType type, java.util.Map<java.lang.String,?> values) Creates new record with given type.
RecordHolder	createRecord(java.lang.String type, java.util.Map<java.lang.String,?> values) Creates new record with given type.
ReferenceHolder	createReference(ReferenceType referenceType, ReferenceExpression referenceExpression, java.util.List<Property> properties, ClosureOrigin origin) Returns new reference corresponding to given reference expression.
SetHolder	createSet(java.util.Collection<?> values) Creates new set with given values (SetHolders are immutable).
InterpreterConfiguration	getConfiguration() Returns interpreter configurartion for this namespace.
Type	getFreeType(FreeType type) Returns the value of given free type or null if it does not exist in this context.
HolderFactory	getHolderFactory() Returns an instance of HolderFactory.
java.lang.Object	getJavaObject() Returns underlying java object if there is some.
Namespace	getLowerLevelNamespace() Returns namespace corresponding to this namespace on lower level.
java.lang.String	getModelElementId() Returns id of model element that is related to this namespace.
java.util.Collection<java.lang.String>	getModuleNames() Returns collection of all module names.
Namespace	getModuleNamespace(java.lang.String name) Returns module namespace by its module name or null if it does not exist.
java.lang.String	getName() Returns name of this namespace.
AbstractContextNamespace	getNamespaceInLevel(java.lang.String evaluationLevel) Returns namespace in evaluation level.
NamespaceModel	getNamespaceModel() Returns NamespaceModel for this namespace.
Namespace	getParentNamespace() Returns parent namespace or null if this is top namespace.
QID	getPathQID() Returns QID of the context path.
RecordHolder	getThis() Returns object that represents this.
java.util.Set<java.lang.String>	getVariableNames() Returns the names of all the variables.
Type	getVariableType(java.lang.String name) Returns the type of variable or null if it does not exist.
java.lang.Object	getVariableValue(java.lang.String name) Returns value of variable for given name from this namespace.
void	initializeVariable(java.lang.String name, java.lang.Object value) Sets the initial value of a variable.
boolean	isVariableReadOnly(java.lang.String name) Returns true if the variable with a given name is read-only.
void	setAsType(RecordType type) If set the namespace behaves like if it is namespace for the type.
void	setVariableValue(java.lang.String name, java.lang.Object value) Sets value of variable for given name from this namespace.

Methods inherited from class com.whitestein.lsps.engine.lang.AbstractContextNamespace

createChildNamespaceInternal, createRange, executeJavaOperation, getAllFreeTypeNames, getCompiled, getCompiled, getCompiledContext, getConstantValue, getContext, getContextId, getConverter, getEvaluationConverter, getEvaluationLevel, getExecutionContext, getFunctionContext, getModelId, getModelInstanceId, getModelProvider, getNamespace, getProcessModel, getReferencedContext, remove, resolveType, setCompiled, setVariableValueInternal, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.whitestein.lsps.lang.exec.Namespace

addNewVariable, createChildNamespace, getFreeTypeMapping, getTopNamespace, resolveRecordType

Methods inherited from interface com.whitestein.lsps.lang.HolderFactory

createRecord, createRecord

Constructor Detail

RecordNamespace

public RecordNamespace(ModelProvider modelProvider,
                       Namespace namespace,
                       RecordHolder recordHolder)

Creates new instance.

Parameters:

modelProvider -

namespace -

recordHolder -

Method Detail

setAsType

public void setAsType(RecordType type)

If set the namespace behaves like if it is namespace for the type. Can be used for supertypes.

Parameters:

type -

createExternalRecordProxy

public RecordHolder createExternalRecordProxy(RecordType type,
                                              RecordHolder proxySet)

Description copied from interface: HolderFactory

Creates a proxy without proxied record. It can be used only for shared records. When merged a shared record is created. If proxySet is null it creates proxy on level 1. If a proxy set is specified, it creates proxy on the level of the proxy set and adds it to the proxy set.

Returns:

proxy without proxied record

createRecord

public RecordHolder createRecord(RecordType type,
                                 java.util.Map<java.lang.String,?> values)

Description copied from interface: HolderFactory

Creates new record with given type.

values - initial record field values

Returns:

new record with given type

createNonSharedRecord

public RecordHolder createNonSharedRecord(RecordType type,
                                          java.util.Map<java.lang.String,?> values)

Description copied from interface: HolderFactory

Creates new record of given type. The record is always created non persistent, even if the record type is shared. Use this carefully, since this may result in many non shared instances of shared record types swarming in the model context and may cause a lot of exceptional behavior, e.g. when trying to assign not persistent object as a member of association of some other shared instance.

values - initial record field values

Returns:

new record with given type

createRecord

public RecordHolder createRecord(java.lang.String type,
                                 java.util.Map<java.lang.String,?> values)

Description copied from interface: HolderFactory

Creates new record with given type. The type must be a fully qualified name.

values - initial record field values

Returns:

new record with given type

See Also:

RecordType

createList

public ListHolder createList(java.util.Collection<?> values)

Description copied from interface: HolderFactory

Creates new list with given values (ListHolders are immutable). The type is inferred from the types of the values.

Returns:

new list

createSet

public SetHolder createSet(java.util.Collection<?> values)

Description copied from interface: HolderFactory

Creates new set with given values (SetHolders are immutable). The type is inferred from the types of the values.

Returns:

new list

createMap

public MapHolder createMap(java.util.List<?> keys,
                           java.util.List<?> values)

Description copied from interface: HolderFactory

Creates new map with given values (MapHolders are immutable). The type is inferred from the types of the values.

Parameters:

keys - a list of keys

values - a list of values

Returns:

new map

createMap

public MapHolder createMap(java.util.Map<?,?> values)

Description copied from interface: HolderFactory

Creates new map with given values (MapHolders are immutable). The type is inferred from the types of the values.

Returns:

new map

createClosure

public ClosureHolder createClosure(ClosureType closureType,
                                   ClosureExpression closureExpression,
                                   ClosureOrigin origin)

Description copied from interface: HolderFactory

Creates new closure corresponding to given closure expression.

Returns:

new closure

createClosureFromExpression

public ClosureHolder createClosureFromExpression(ClosureType closureType,
                                                 Expression expression,
                                                 ClosureOrigin origin)

Description copied from interface: HolderFactory

Creates new closure from a given expression. The expression is treated as a closure without arguments.

Returns:

new closure from a given expression

createClosure

public ClosureHolder createClosure(ClosureType closureType,
                                   FunctionExpression operationExpression,
                                   ClosureOrigin origin)

Description copied from interface: HolderFactory

Creates new closure corresponding to given operation expression.

Returns:

new closure

createClosure

public ClosureHolder createClosure(ClosureType closureType,
                                   MethodExpression operationExpression,
                                   ClosureOrigin origin)

Description copied from interface: HolderFactory

Creates new closure corresponding to given operation expression.

Returns:

new closure

createReference

public ReferenceHolder createReference(ReferenceType referenceType,
                                       ReferenceExpression referenceExpression,
                                       java.util.List<Property> properties,
                                       ClosureOrigin origin)

Description copied from interface: HolderFactory

Returns new reference corresponding to given reference expression.

Returns:

new reference

createBinaryHolder

public BinaryHolder createBinaryHolder(byte[] data)

Description copied from interface: HolderFactory

Creates binary data holder.

Returns:

binary data holder

createBinaryHolder

public BinaryHolder createBinaryHolder(java.lang.String datasourceJndi,
                                       java.lang.String recordType,
                                       java.lang.String primaryKeyString,
                                       java.lang.String propertyName,
                                       java.sql.Blob data)

Description copied from interface: HolderFactory

Creates binary data holder.

Returns:

binary data holder

getName

public java.lang.String getName()

Description copied from interface: Namespace

Returns name of this namespace. Name is always not null and does not have to be unique. Multiple namespaces can share same name.

Specified by:

getName in interface Namespace

Overrides:

getName in class AbstractContextNamespace

Returns:

name if this namespace

getParentNamespace

public Namespace getParentNamespace()

Description copied from interface: Namespace

Returns parent namespace or null if this is top namespace.

Returns:

parent namespace

getModuleNamespace

public Namespace getModuleNamespace(java.lang.String name)

Description copied from interface: Namespace

Returns module namespace by its module name or null if it does not exist.

Returns:

imported namespace

getModuleNames

public java.util.Collection<java.lang.String> getModuleNames()

Description copied from interface: Namespace

Returns collection of all module names.

Specified by:

getModuleNames in interface Namespace

Overrides:

getModuleNames in class AbstractContextNamespace

Returns:

collection of all module names

containsVariable

public boolean containsVariable(java.lang.String name)

Description copied from interface: Namespace

Returns true if this namespace contains variable of given name.

Parameters:

name - variable name

Returns:

true if this namespace contains variable of given name

getVariableNames

public java.util.Set<java.lang.String> getVariableNames()

Description copied from interface: Namespace

Returns the names of all the variables.

Returns:

the names of all the variables

getVariableValue

public java.lang.Object getVariableValue(java.lang.String name)

Description copied from interface: Namespace

Returns value of variable for given name from this namespace. Null is returned if this namespace does not contain given variable.

Specified by:

getVariableValue in interface Namespace

Overrides:

getVariableValue in class AbstractContextNamespace

Parameters:

name - variable name

Returns:

variable value

setVariableValue

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

Description copied from interface: Namespace

Sets value of variable for given name from this namespace.

Parameters:

name - variable name

value - new variable value

initializeVariable

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

Description copied from interface: Namespace

Sets the initial value of a variable. Can be used to initialize read-only variables. If the variable already has a non-null value, an exception is thrown.

getVariableType

public Type getVariableType(java.lang.String name)

Description copied from interface: Namespace

Returns the type of variable or null if it does not exist.

Parameters:

name - variable name

Returns:

the type of variable

isVariableReadOnly

public boolean isVariableReadOnly(java.lang.String name)

Description copied from interface: Namespace

Returns true if the variable with a given name is read-only.

Returns:

true if the variable is read-only

getHolderFactory

public HolderFactory getHolderFactory()

Description copied from interface: Namespace

Returns an instance of HolderFactory. This can be used to create different runtime objects.

Returns:

an instance of HolderFactory

createChildNamespace

public Namespace createChildNamespace(java.lang.String name,
                                      java.util.List<? extends Field> fields,
                                      java.util.List<?> initialValues,
                                      java.util.Map<FreeType,Type> freeTypeMapping,
                                      InterpreterConfiguration configuration)

Returns:

the created child namespace

getFreeType

public Type getFreeType(FreeType type)

Description copied from interface: Namespace

Returns the value of given free type or null if it does not exist in this context.

Specified by:

getFreeType in interface Namespace

Overrides:

getFreeType in class AbstractContextNamespace

Returns:

the value of given free type

addNewVariable

public void addNewVariable(java.lang.String name,
                           Type type,
                           boolean isDefinedInExpression,
                           boolean readOnly)

Description copied from interface: Namespace

Adds a new variable.

getConfiguration

public InterpreterConfiguration getConfiguration()

Description copied from interface: Namespace

Returns interpreter configurartion for this namespace.

Returns:

interpreter configurartion for this namespace

canBeInterpretedIn

public boolean canBeInterpretedIn(InterpreterConfiguration configuration)

Description copied from interface: Namespace

Returns true if interpretation with given configuration can be done on this namespace.

Returns:

true if interpretation with given configuration can be done on this namespace

getNamespaceInLevel

public AbstractContextNamespace getNamespaceInLevel(java.lang.String evaluationLevel)

Description copied from interface: Namespace

Returns namespace in evaluation level.

Specified by:

getNamespaceInLevel in interface Namespace

Overrides:

getNamespaceInLevel in class AbstractContextNamespace

Returns:

namespace in evaluation level

getLowerLevelNamespace

public Namespace getLowerLevelNamespace()

Description copied from interface: Namespace

Returns namespace corresponding to this namespace on lower level.

Returns:

namespace corresponding to this namespace on lower level

getNamespaceModel

public NamespaceModel getNamespaceModel()

Description copied from interface: Namespace

Returns NamespaceModel for this namespace.

Specified by:

getNamespaceModel in interface Namespace

Overrides:

getNamespaceModel in class AbstractContextNamespace

Returns:

NamespaceModel for this namespace

getModelElementId

public java.lang.String getModelElementId()

Description copied from interface: Namespace

Returns id of model element that is related to this namespace.

Specified by:

getModelElementId in interface Namespace

Overrides:

getModelElementId in class AbstractContextNamespace

Returns:

id of model element

getPathQID

public QID getPathQID()

Description copied from interface: Namespace

Returns QID of the context path.

Specified by:

getPathQID in interface Namespace

Overrides:

getPathQID in class AbstractContextNamespace

Returns:

QID of the context path

getThis

public RecordHolder getThis()

Description copied from interface: Namespace

Returns object that represents this.

Specified by:

getThis in interface Namespace

Overrides:

getThis in class AbstractContextNamespace

Returns:

object that represents this.

getJavaObject

public java.lang.Object getJavaObject()

Description copied from interface: Namespace

Returns underlying java object if there is some. E.g. for pojo based shared records.

Returns:

underlying java object if there is some