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## org.apache.lucene.codecs.intblock
Class FixedIntBlockIndexInput

    java.lang.Object
      org.apache.lucene.codecs.sep.IntIndexInput
          org.apache.lucene.codecs.intblock.FixedIntBlockIndexInput

All Implemented Interfaces:
  Closeable

    public abstract class FixedIntBlockIndexInput

extends IntIndexInput

Abstract base class that reads fixed-size blocks of ints from an IndexInput. While this is a simple approach, a more performant approach would directly create an impl of IntIndexInput inside Directory. Wrapping a generic IndexInput will likely cost performance.

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

Nested Class Summary
`static interface` | `FixedIntBlockIndexInput.BlockReader` Interface for fixed-size block decoders.

Field Summary
`protected int` | `blockSize`

Constructor Summary
`FixedIntBlockIndexInput(IndexInput in)`

Method Summary
`void` | `close()`
`protected abstract FixedIntBlockIndexInput.BlockReader` | `getBlockReader(IndexInput in, int[] buffer)`
`IntIndexInput.Index` | `index()`
`IntIndexInput.Reader` | `reader()`

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

Field Detail

### blockSize

    protected final int blockSize

Constructor Detail

### FixedIntBlockIndexInput

    public FixedIntBlockIndexInput(IndexInput in)
                            throws IOException

Throws:
  `IOException`

Method Detail

### reader

    public IntIndexInput.Reader reader()
                                throws IOException

  Specified by:
    `reader` in class `IntIndexInput`
  Throws:
    `IOException`

### close

    public void close()
               throws IOException

  Specified by:
    `close` in interface `Closeable`
  Specified by:
    `close` in class `IntIndexInput`
  Throws:
    `IOException`

### index

    public IntIndexInput.Index index()

  Specified by:
    `index` in class `IntIndexInput`

### getBlockReader

    protected abstract FixedIntBlockIndexInput.BlockReader getBlockReader(IndexInput in,
                                                                          int[] buffer)
                                                                   throws IOException

  Throws:
    `IOException`

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