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public interface Externalizer
A replacement serializer for an object class.
Method Summary | |
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java.lang.Object |
createExternal(java.lang.Class<?> subjectType,
java.io.ObjectInput input,
Creator defaultCreator)
Create an instance of a type. |
void |
readExternal(java.lang.Object subject,
java.io.ObjectInput input)
Read the external representation of an object. |
void |
writeExternal(java.lang.Object subject,
java.io.ObjectOutput output)
Write the external representation of an object. |
Method Detail |
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void writeExternal(java.lang.Object subject, java.io.ObjectOutput output) throws java.io.IOException
subject
- the object to externalizeoutput
- the output
java.io.IOException
- if an error occursjava.lang.Object createExternal(java.lang.Class<?> subjectType, java.io.ObjectInput input, Creator defaultCreator) throws java.io.IOException, java.lang.ClassNotFoundException
input
, or that may be deferred
to the readExternal()
method. Instances may simply delegate the task to the given Creator
.
Note that this method is called only on the leaf class, so externalizers for non-final classes that initialize
the instance from the stream need to be aware of this.
subjectType
- the type of object to createinput
- the inputdefaultCreator
- the configured creator
java.io.IOException
- if an error occurs
java.lang.ClassNotFoundException
- if a class could not be found during readvoid readExternal(java.lang.Object subject, java.io.ObjectInput input) throws java.io.IOException, java.lang.ClassNotFoundException
subject
- the object to readinput
- the input
java.io.IOException
- if an error occurs
java.lang.ClassNotFoundException
- if a class could not be found during read
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