com.massa.mrules.addon

Class DefaultVariablesManager.NullValue

java.lang.Object

com.massa.mrules.base.AbstractMRulesObject

com.massa.mrules.addon.AbstractAddon

com.massa.mrules.accessor.AbstractReadAccessor

com.massa.mrules.addon.DefaultVariablesManager.AbstractVariableAccessor

com.massa.mrules.addon.DefaultVariablesManager.NullValue

All Implemented Interfaces:

IAccessor, IReadAccessor, IAddon, IMRulesObject, Outable, Serializable, Cloneable

Enclosing class:

DefaultVariablesManager

public static class DefaultVariablesManager.NullValue
extends DefaultVariablesManager.AbstractVariableAccessor

Default "#NULL" system variable accessor.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.massa.mrules.accessor.IReadAccessor

IReadAccessor.Standalone

Field Summary

Fields

Modifier and Type	Field and Description
static String	IMPLEMENTATION_ID

Constructor Summary

Constructors

Constructor and Description
NullValue()

Method Summary

Modifier and Type	Method and Description
Class<?>	getDefaultType(IContext ctxt) Returns default type for this variable if no directive is provided.
String	getImplementationId() Unique addon implementation ID.
Object	getVarValue(IExecutionContext ctxt)
boolean	isCacheUsed() Returns false by default.
boolean	isConstantValue() Default implementation returns "false".
boolean	isShouldBeWrappedToConstantValue() Default implementation returns AbstractReadAccessor.isConstantValue() && !

Methods inherited from class com.massa.mrules.addon.DefaultVariablesManager.AbstractVariableAccessor

compileCollection, compileValue, equals, getEstimatedReadCost, getGenericCollectionType, getType, hashCode, internalGet, isShouldIterate, toString

Methods inherited from class com.massa.mrules.accessor.AbstractReadAccessor

castToExpected, clone, compileRead, compileRead, compileRead, compileRead, get, getGenericTypes, isShouldNotCache

Methods inherited from class com.massa.mrules.addon.AbstractAddon

getInternalCacheIdentifier, isInternalCacheIdentifierNeeded, optimize, resetCachedData, setInternalCacheIdentifier, toString, wasRegistered

Methods inherited from class com.massa.mrules.base.AbstractMRulesObject

getDebugInfo, getDescription, getName, setDebugInfo, setDescription, setName

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.massa.mrules.addon.IAddon

getInternalCacheIdentifier, isInternalCacheIdentifierNeeded, optimize, resetCachedData, setInternalCacheIdentifier, wasRegistered

Methods inherited from interface com.massa.mrules.base.IMRulesObject

getDebugInfo, getDescription, getName, setDebugInfo, setDescription, setName

Field Detail

IMPLEMENTATION_ID

public static final String IMPLEMENTATION_ID

See Also:

Constant Field Values

Constructor Detail

NullValue

public NullValue()

Method Detail

getDefaultType

public Class<?> getDefaultType(IContext ctxt)

Description copied from class: DefaultVariablesManager.AbstractVariableAccessor

Returns default type for this variable if no directive is provided.
null value for Context should be handled..

Specified by:

getDefaultType in class DefaultVariablesManager.AbstractVariableAccessor

getImplementationId

public String getImplementationId()

Description copied from interface: IAddon

Unique addon implementation ID. In case of conflict, an Class Initialization error will be raised.

getVarValue

public Object getVarValue(IExecutionContext ctxt)
                   throws MAccessorException

Specified by:

getVarValue in class DefaultVariablesManager.AbstractVariableAccessor

Throws:

MAccessorException

isCacheUsed

public boolean isCacheUsed()

Description copied from class: AbstractAddon

Returns false by default.

Specified by:

isCacheUsed in interface IAddon

Overrides:

isCacheUsed in class AbstractAddon

isConstantValue

public boolean isConstantValue()

Description copied from class: AbstractReadAccessor

Default implementation returns "false".

Specified by:

isConstantValue in interface IReadAccessor

Overrides:

isConstantValue in class AbstractReadAccessor

isShouldBeWrappedToConstantValue

public boolean isShouldBeWrappedToConstantValue()

Description copied from class: AbstractReadAccessor

Default implementation returns AbstractReadAccessor.isConstantValue() && ! IReadAccessor.isShouldIterate().

Specified by:

isShouldBeWrappedToConstantValue in interface IReadAccessor

Overrides:

isShouldBeWrappedToConstantValue in class DefaultVariablesManager.AbstractVariableAccessor