All Known Implementing Classes:

AbstractReadWriteLockManager, ReadPrefReadWriteLockManager, StampedLockManager, WritePrefReadWriteLockManager
```
public interface ReadWriteLockManager
```
A lock manager that manages a multi-read, single-write lock. This lock manager allows multiple read locks to be active at the same time. The write lock is exclusive, meaning that no other read- or write locks may be active at the same time.

Author:

Arjohn Kampman

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Lock`	`getReadLock()`	Gets a read lock.
`Lock`	`getWriteLock()`	Gets an exclusive write lock.
`boolean`	`isReaderActive()`	Returns `false` if there are no active read locks, otherwise returns `true`.
`boolean`	`isWriterActive()`	Returns `false` if there are no active write locks, otherwise returns `true`.
`Lock`	`tryReadLock()`	Gets a read lock, if available.
`Lock`	`tryWriteLock()`	Gets an exclusive write lock, if available.
`void`	`waitForActiveReaders()`	Blocks until all read locks have been released.
`void`	`waitForActiveWriter()`	Blocks until all write locks have been released.

- Method Detail
  - tryReadLock
```
Lock tryReadLock()
```
    Gets a read lock, if available. This method will return null if the read lock is not immediately available.
  - getReadLock
```
Lock getReadLock()
          throws InterruptedException
```
    Gets a read lock. This method blocks until the read lock is available.
    
    Throws:
    
    InterruptedException - In case the thread requesting the lock was interrupted.
  - tryWriteLock
```
Lock tryWriteLock()
```
    Gets an exclusive write lock, if available. This method will return null if the write lock is not immediately available.
  - getWriteLock
```
Lock getWriteLock()
           throws InterruptedException
```
    Gets an exclusive write lock. This method blocks until the write lock is available.
    
    Throws:
    
    InterruptedException - In case the thread requesting the lock was interrupted.
  - isWriterActive
```
boolean isWriterActive()
```
    Returns false if there are no active write locks, otherwise returns true.
  - isReaderActive
```
boolean isReaderActive()
```
    Returns false if there are no active read locks, otherwise returns true.
  - waitForActiveWriter
```
void waitForActiveWriter()
                  throws InterruptedException
```
    Blocks until all write locks have been released.
    
    Throws:
    
    InterruptedException - In case the thread requesting the lock was interrupted.
  - waitForActiveReaders
```
void waitForActiveReaders()
                   throws InterruptedException
```
    Blocks until all read locks have been released.
    
    Throws:
    
    InterruptedException - In case the thread requesting the lock was interrupted.

Interface ReadWriteLockManager

Method Summary

Method Detail

tryReadLock

getReadLock

tryWriteLock

getWriteLock

isWriterActive

isReaderActive

waitForActiveWriter

waitForActiveReaders