Class NullValueImpl
- java.lang.Object
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- org.camunda.bpm.engine.variable.impl.value.NullValueImpl
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- All Implemented Interfaces:
java.io.Serializable,TypedValue
public class NullValueImpl extends java.lang.Object implements TypedValue
Untyped Null- Author:
- Daniel Meyer
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static NullValueImplINSTANCEstatic NullValueImplINSTANCE_TRANSIENT
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ValueTypegetType()The type of the value.java.lang.ObjectgetValue()The actual value.booleanisTransient()Indicator for transience of the valuejava.lang.StringtoString()
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Field Detail
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INSTANCE
public static final NullValueImpl INSTANCE
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INSTANCE_TRANSIENT
public static final NullValueImpl INSTANCE_TRANSIENT
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Method Detail
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getValue
public java.lang.Object getValue()
Description copied from interface:TypedValueThe actual value. May be null in case the value is null.- Specified by:
getValuein interfaceTypedValue- Returns:
- the value
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getType
public ValueType getType()
Description copied from interface:TypedValueThe type of the value. See ValueType for a list of built-in ValueTypes.- Specified by:
getTypein interfaceTypedValue- Returns:
- the type of the value.
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toString
public java.lang.String toString()
- Overrides:
toStringin classjava.lang.Object
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isTransient
public boolean isTransient()
Description copied from interface:TypedValueIndicator for transience of the value- Specified by:
isTransientin interfaceTypedValue- Returns:
- isTransient
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