org.camunda.bpm.engine.variable.impl.value

Class NullValueImpl

java.lang.Object

org.camunda.bpm.engine.variable.impl.value.NullValueImpl

All Implemented Interfaces:

Serializable, TypedValue

public class NullValueImpl
extends Object
implements TypedValue

Untyped Null

Author:

Daniel Meyer

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static NullValueImpl	INSTANCE
static NullValueImpl	INSTANCE_TRANSIENT

Method Summary

Modifier and Type	Method and Description
ValueType	getType() The type of the value.
Object	getValue() The actual value.
boolean	isTransient() Indicator for transience of the value
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NullValueImpl INSTANCE

INSTANCE_TRANSIENT

public static final NullValueImpl INSTANCE_TRANSIENT

Method Detail

getValue

public Object getValue()

Description copied from interface: TypedValue

The actual value. May be null in case the value is null.

Specified by:

getValue in interface TypedValue

Returns:

the value

getType

public ValueType getType()

Description copied from interface: TypedValue

The type of the value. See ValueType for a list of built-in ValueTypes.

Specified by:

getType in interface TypedValue

Returns:

the type of the value.

toString

public String toString()

Overrides:

toString in class Object

isTransient

public boolean isTransient()

Description copied from interface: TypedValue

Indicator for transience of the value

Specified by:

isTransient in interface TypedValue

Returns:

isTransient