NullSourceExtractor (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.factory.parsing
Class NullSourceExtractor

java.lang.Object
  org.springframework.beans.factory.parsing.NullSourceExtractor

Simple implementation of SourceExtractor that returns null as the source metadata.

This is the default implementation and prevents too much metadata from being held in memory during normal (non-tooled) runtime usage.

Constructor Summary

NullSourceExtractor()

Method Summary

Object extractSource(Object sourceCandidate, Resource definitionResource)
This implementation simply returns null for any input.

Methods inherited from class java.lang.Object

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

Constructor Summary
`NullSourceExtractor()`

Method Summary
`Object`	`extractSource(Object sourceCandidate, Resource definitionResource)` This implementation simply returns `null` for any input.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

public NullSourceExtractor()

Method Detail

public Object extractSource(Object sourceCandidate,
                            Resource definitionResource)

This implementation simply returns null for any input.

Parameters:: sourceCandidate - the original source metadata (never null); definitionResource - the resource that defines the given source object (may be null)
Returns:: the source metadata object to store (may be null)