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## org.apache.lucene.util
Class DummyConcurrentLock

    java.lang.Object
      org.apache.lucene.util.DummyConcurrentLock

All Implemented Interfaces:
  Lock

    public final class DummyConcurrentLock

extends Object
implements Lock

A dummy lock as a replacement for `ReentrantLock` to disable locking

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Field Summary
`static DummyConcurrentLock` | `INSTANCE` a default instance, can be always used, as this `Lock` is stateless.

Constructor Summary
`DummyConcurrentLock()`

Method Summary
`void` | `lock()`
`void` | `lockInterruptibly()`
`Condition` | `newCondition()`
`boolean` | `tryLock()`
`boolean` | `tryLock(long time, TimeUnit unit)`
`void` | `unlock()`

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

Field Detail

### INSTANCE

    public static final DummyConcurrentLock INSTANCE

  a default instance, can be always used, as this `Lock` is stateless.

Constructor Detail

### DummyConcurrentLock

    public DummyConcurrentLock()

Method Detail

### lock

    public void lock()

  Specified by:
    `lock` in interface `Lock`

### lockInterruptibly

    public void lockInterruptibly()

  Specified by:
    `lockInterruptibly` in interface `Lock`

### tryLock

    public boolean tryLock()

  Specified by:
    `tryLock` in interface `Lock`

### tryLock

    public boolean tryLock(long time,
                           TimeUnit unit)

  Specified by:
    `tryLock` in interface `Lock`

### unlock

    public void unlock()

  Specified by:
    `unlock` in interface `Lock`

### newCondition

    public Condition newCondition()

  Specified by:
    `newCondition` in interface `Lock`

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