io.vertx.reactivex.core.shareddata

## Class SharedData

- java.lang.Object
- - io.vertx.reactivex.core.shareddata.SharedData

-     public class SharedData
      extends Object

  Shared data allows you to share data safely between different parts of your application in a safe way.

  Shared data provides:

  - synchronous shared maps (local)
  - asynchronous maps (local or cluster-wide)
  - asynchronous locks (local or cluster-wide)
  - asynchronous counters (local or cluster-wide)

  WARNING: In clustered mode, asynchronous maps/locks/counters rely on distributed data structures provided by the cluster manager. Beware that the latency relative to asynchronous maps/locks/counters operations can be much higher in clustered than in local mode.

  Please see the documentation for more information.

  NOTE: This class has been automatically generated from the `original` non RX-ified interface using Vert.x codegen.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static io.vertx.lang.rx.TypeArg<SharedData>` | `__TYPE_ARG`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `SharedData(SharedData delegate)`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `equals(Object o)`
    `<K,V> void` | `getAsyncMap(String name, Handler<AsyncResult<AsyncMap<K,V>>> resultHandler)` Get the `AsyncMap` with the specified name.
    `<K,V> void` | `getClusterWideMap(String name, Handler<AsyncResult<AsyncMap<K,V>>> resultHandler)` Get the cluster wide map with the specified name.
    `void` | `getCounter(String name, Handler<AsyncResult<Counter>> resultHandler)` Get an asynchronous counter.
    `SharedData` | `getDelegate()`
    `<K,V> void` | `getLocalAsyncMap(String name, Handler<AsyncResult<AsyncMap<K,V>>> resultHandler)` Get the `AsyncMap` with the specified name.
    `void` | `getLocalCounter(String name, Handler<AsyncResult<Counter>> resultHandler)` Get an asynchronous local counter.
    `void` | `getLocalLock(String name, Handler<AsyncResult<Lock>> resultHandler)` Get an asynchronous local lock with the specified name.
    `void` | `getLocalLockWithTimeout(String name, long timeout, Handler<AsyncResult<Lock>> resultHandler)` Like `getLocalLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout.
    `<K,V> LocalMap<K,V>` | `getLocalMap(String name)` Return a `LocalMap` with the specific `name`.
    `void` | `getLock(String name, Handler<AsyncResult<Lock>> resultHandler)` Get an asynchronous lock with the specified name.
    `void` | `getLockWithTimeout(String name, long timeout, Handler<AsyncResult<Lock>> resultHandler)` Like `getLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout.
    `int` | `hashCode()`
    `static SharedData` | `newInstance(SharedData arg)`
    `<K,V> Single<AsyncMap<K,V>>` | `rxGetAsyncMap(String name)` Get the `AsyncMap` with the specified name.
    `<K,V> Single<AsyncMap<K,V>>` | `rxGetClusterWideMap(String name)` Get the cluster wide map with the specified name.
    `Single<Counter>` | `rxGetCounter(String name)` Get an asynchronous counter.
    `<K,V> Single<AsyncMap<K,V>>` | `rxGetLocalAsyncMap(String name)` Get the `AsyncMap` with the specified name.
    `Single<Counter>` | `rxGetLocalCounter(String name)` Get an asynchronous local counter.
    `Single<Lock>` | `rxGetLocalLock(String name)` Get an asynchronous local lock with the specified name.
    `Single<Lock>` | `rxGetLocalLockWithTimeout(String name, long timeout)` Like `getLocalLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout.
    `Single<Lock>` | `rxGetLock(String name)` Get an asynchronous lock with the specified name.
    `Single<Lock>` | `rxGetLockWithTimeout(String name, long timeout)` Like `getLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout.
    `String` | `toString()`

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Field Detail

    - #### __TYPE_ARG

          public static final io.vertx.lang.rx.TypeArg<SharedData> __TYPE_ARG

  - ### Constructor Detail

    - #### SharedData

          public SharedData(SharedData delegate)

  - ### Method Detail

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

    - #### equals

          public boolean equals(Object o)

      Overrides:
        `equals` in class `Object`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `Object`

    - #### getDelegate

          public SharedData getDelegate()

    - #### getClusterWideMap

          public <K,V> void getClusterWideMap(String name,
                                              Handler<AsyncResult<AsyncMap<K,V>>> resultHandler)

      Get the cluster wide map with the specified name. The map is accessible to all nodes in the cluster and data put into the map from any node is visible to to any other node.
      Parameters:
        `name` - the name of the map
        `resultHandler` - the map will be returned asynchronously in this handler

    - #### rxGetClusterWideMap

          public <K,V> Single<AsyncMap<K,V>> rxGetClusterWideMap(String name)

      Get the cluster wide map with the specified name. The map is accessible to all nodes in the cluster and data put into the map from any node is visible to to any other node.
      Parameters:
        `name` - the name of the map
      Returns:

    - #### getAsyncMap

          public <K,V> void getAsyncMap(String name,
                                        Handler<AsyncResult<AsyncMap<K,V>>> resultHandler)

      Get the `AsyncMap` with the specified name. When clustered, the map is accessible to all nodes in the cluster and data put into the map from any node is visible to to any other node.

      WARNING: In clustered mode, asynchronous shared maps rely on distributed data structures provided by the cluster manager. Beware that the latency relative to asynchronous shared maps operations can be much higher in clustered than in local mode.

      Parameters:
        `name` - the name of the map
        `resultHandler` - the map will be returned asynchronously in this handler

    - #### rxGetAsyncMap

          public <K,V> Single<AsyncMap<K,V>> rxGetAsyncMap(String name)

      Get the `AsyncMap` with the specified name. When clustered, the map is accessible to all nodes in the cluster and data put into the map from any node is visible to to any other node.

      WARNING: In clustered mode, asynchronous shared maps rely on distributed data structures provided by the cluster manager. Beware that the latency relative to asynchronous shared maps operations can be much higher in clustered than in local mode.

      Parameters:
        `name` - the name of the map
      Returns:

    - #### getLocalAsyncMap

          public <K,V> void getLocalAsyncMap(String name,
                                             Handler<AsyncResult<AsyncMap<K,V>>> resultHandler)

      Get the `AsyncMap` with the specified name.

      When clustered, the map is NOT accessible to all nodes in the cluster. Only the instance which created the map can put and retrieve data from this map.

      Parameters:
        `name` - the name of the map
        `resultHandler` - the map will be returned asynchronously in this handler

    - #### rxGetLocalAsyncMap

          public <K,V> Single<AsyncMap<K,V>> rxGetLocalAsyncMap(String name)

      Get the `AsyncMap` with the specified name.

      When clustered, the map is NOT accessible to all nodes in the cluster. Only the instance which created the map can put and retrieve data from this map.

      Parameters:
        `name` - the name of the map
      Returns:

    - #### getLock

          public void getLock(String name,
                              Handler<AsyncResult<Lock>> resultHandler)

      Get an asynchronous lock with the specified name. The lock will be passed to the handler when it is available.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
        `resultHandler` - the handler

    - #### rxGetLock

          public Single<Lock> rxGetLock(String name)

      Get an asynchronous lock with the specified name. The lock will be passed to the handler when it is available.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
      Returns:

    - #### getLockWithTimeout

          public void getLockWithTimeout(String name,
                                         long timeout,
                                         Handler<AsyncResult<Lock>> resultHandler)

      Like `getLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout. If the lock is not obtained within the timeout a failure will be sent to the handler.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
        `timeout` - the timeout in ms
        `resultHandler` - the handler

    - #### rxGetLockWithTimeout

          public Single<Lock> rxGetLockWithTimeout(String name,
                                                   long timeout)

      Like `getLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout. If the lock is not obtained within the timeout a failure will be sent to the handler.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
        `timeout` - the timeout in ms
      Returns:

    - #### getLocalLock

          public void getLocalLock(String name,
                                   Handler<AsyncResult<Lock>> resultHandler)

      Get an asynchronous local lock with the specified name. The lock will be passed to the handler when it is available.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
        `resultHandler` - the handler

    - #### rxGetLocalLock

          public Single<Lock> rxGetLocalLock(String name)

      Get an asynchronous local lock with the specified name. The lock will be passed to the handler when it is available.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
      Returns:

    - #### getLocalLockWithTimeout

          public void getLocalLockWithTimeout(String name,
                                              long timeout,
                                              Handler<AsyncResult<Lock>> resultHandler)

      Like `getLocalLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout. If the lock is not obtained within the timeout a failure will be sent to the handler.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
        `timeout` - the timeout in ms
        `resultHandler` - the handler

    - #### rxGetLocalLockWithTimeout

          public Single<Lock> rxGetLocalLockWithTimeout(String name,
                                                        long timeout)

      Like `getLocalLock(java.lang.String, io.vertx.core.Handler<io.vertx.core.AsyncResult<io.vertx.reactivex.core.shareddata.Lock>>)` but specifying a timeout. If the lock is not obtained within the timeout a failure will be sent to the handler.

      In general lock acquision is unordered, so that sequential attempts to acquire a lock, even from a single thread, can happen in non-sequential order.

      Parameters:
        `name` - the name of the lock
        `timeout` - the timeout in ms
      Returns:

    - #### getCounter

          public void getCounter(String name,
                                 Handler<AsyncResult<Counter>> resultHandler)

      Get an asynchronous counter. The counter will be passed to the handler.
      Parameters:
        `name` - the name of the counter.
        `resultHandler` - the handler

    - #### rxGetCounter

          public Single<Counter> rxGetCounter(String name)

      Get an asynchronous counter. The counter will be passed to the handler.
      Parameters:
        `name` - the name of the counter.
      Returns:

    - #### getLocalCounter

          public void getLocalCounter(String name,
                                      Handler<AsyncResult<Counter>> resultHandler)

      Get an asynchronous local counter. The counter will be passed to the handler.
      Parameters:
        `name` - the name of the counter.
        `resultHandler` - the handler

    - #### rxGetLocalCounter

          public Single<Counter> rxGetLocalCounter(String name)

      Get an asynchronous local counter. The counter will be passed to the handler.
      Parameters:
        `name` - the name of the counter.
      Returns:

    - #### getLocalMap

          public <K,V> LocalMap<K,V> getLocalMap(String name)

      Return a `LocalMap` with the specific `name`.
      Parameters:
        `name` - the name of the map
      Returns:
        the msp

    - #### newInstance

          public static SharedData newInstance(SharedData arg)

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