Class FormatableArrayHolder
java.lang.Object
org.apache.derby.iapi.services.io.FormatableArrayHolder
- All Implemented Interfaces:
Externalizable
,Serializable
,Formatable
,TypedFormat
A formatable holder for an array of formatables.
Used to avoid serializing arrays.
- See Also:
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Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionNiladic constructor for formatableFormatableArrayHolder
(Object[] array) Construct a FormatableArrayHolder using the input array. -
Method Summary
Modifier and TypeMethodDescription<E> E[]
Get the held array of formatables, and return it in an array that is an instance ofarrayClass
.int
Get the formatID which corresponds to this class.void
Read this array from a stream of stored objects.void
Set the held array to the input array.void
Write this array out
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Field Details
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array
This class implements Formatable. That means that it can write itself to and from a formatted stream. If you add more fields to this class, make sure that you also write/read them with the writeExternal()/readExternal() methods. If, inbetween releases, you add more fields to this class, then you should bump the version number emitted by the getTypeFormatId() method.
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Constructor Details
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FormatableArrayHolder
public FormatableArrayHolder()Niladic constructor for formatable -
FormatableArrayHolder
Construct a FormatableArrayHolder using the input array.- Parameters:
array
- the array to hold
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Method Details
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setArray
Set the held array to the input array.- Parameters:
array
- the array to hold
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getArray
Get the held array of formatables, and return it in an array that is an instance ofarrayClass
.- Parameters:
arrayClass
- the type of array to return- Returns:
- an array of formatables
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writeExternal
Write this array out- Specified by:
writeExternal
in interfaceExternalizable
- Parameters:
out
- write bytes here- Throws:
IOException
- thrown on error
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readExternal
Read this array from a stream of stored objects.- Specified by:
readExternal
in interfaceExternalizable
- Parameters:
in
- read this.- Throws:
IOException
- thrown on errorClassNotFoundException
- thrown on error
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getTypeFormatId
public int getTypeFormatId()Get the formatID which corresponds to this class.- Specified by:
getTypeFormatId
in interfaceTypedFormat
- Returns:
- the formatID of this class
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