## Uses of Class
org.apache.lucene.index.MergeScheduler

- Packages that use MergeScheduler
  Package | Description
  --- | ---
  org.apache.lucene.index | Code to maintain and access indices.

- - ### Uses of MergeScheduler in org.apache.lucene.index

    Subclasses of MergeScheduler in org.apache.lucene.index
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ConcurrentMergeScheduler` A `MergeScheduler` that runs each merge using a separate thread.
    `class` | `NoMergeScheduler` A `MergeScheduler` which never executes any merges.
    `class` | `SerialMergeScheduler` A `MergeScheduler` that simply does each merge sequentially, using the current thread.

    Fields in org.apache.lucene.index declared as MergeScheduler
    Modifier and Type | Field and Description
    --- | ---
    `static MergeScheduler` | NoMergeScheduler.`INSTANCE` The single instance of `NoMergeScheduler`
    `protected MergeScheduler` | LiveIndexWriterConfig.`mergeScheduler` `MergeScheduler` to use for running merges.

    Methods in org.apache.lucene.index that return MergeScheduler
    Modifier and Type | Method and Description
    --- | ---
    `MergeScheduler` | LiveIndexWriterConfig.`getMergeScheduler()` Returns the `MergeScheduler` that was set by `IndexWriterConfig.setMergeScheduler(MergeScheduler)`.
    `MergeScheduler` | IndexWriterConfig.`getMergeScheduler()`

    Methods in org.apache.lucene.index with parameters of type MergeScheduler
    Modifier and Type | Method and Description
    --- | ---
    `IndexWriterConfig` | IndexWriterConfig.`setMergeScheduler(MergeScheduler mergeScheduler)` Expert: sets the merge scheduler used by this writer.

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