## org.apache.lucene.codecs
Class SegmentInfoReader

    java.lang.Object
      org.apache.lucene.codecs.SegmentInfoReader

Direct Known Subclasses:
  Lucene3xSegmentInfoReader, Lucene40SegmentInfoReader

    public abstract class SegmentInfoReader

extends Object

Specifies an API for classes that can read `SegmentInfo` information.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary
`protected` `SegmentInfoReader()` Sole constructor.

Method Summary
`abstract SegmentInfo` `read(Directory directory, String segmentName, IOContext context)` Read `SegmentInfo` data from a directory.

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

Constructor Detail

### SegmentInfoReader

    protected SegmentInfoReader()

  Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Detail

### read

    public abstract SegmentInfo read(Directory directory,
                                     String segmentName,
                                     IOContext context)
                              throws IOException

  Read `SegmentInfo` data from a directory.

  Parameters:
    `directory` - directory to read from
    `segmentName` - name of the segment to read
  Returns:
    infos instance to be populated with data
  Throws:
    `IOException` - If an I/O error occurs

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