org.eclipse.rdf4j.sail.helpers

## Class NotifyingSailConnectionBase

- java.lang.Object
- - org.eclipse.rdf4j.sail.helpers.AbstractSailConnection
  - - org.eclipse.rdf4j.sail.helpers.NotifyingSailConnectionBase

- All Implemented Interfaces:
    AutoCloseable, NotifyingSailConnection, SailConnection
  Direct Known Subclasses:
    SailSourceConnection

      public abstract class NotifyingSailConnectionBase
      extends AbstractSailConnection
      implements NotifyingSailConnection

  Abstract Class offering base functionality for SailConnection implementations.
  Author:
    Arjohn Kampman, jeen

- - ### Field Summary

    - ### Fields inherited from class org.eclipse.rdf4j.sail.helpers.AbstractSailConnection

      `connectionLock, logger, updateLock`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `NotifyingSailConnectionBase(AbstractSail sailBase)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addConnectionListener(SailConnectionListener listener)` Registers a SailConnection listener with this SailConnection.
    `protected boolean` | `hasConnectionListeners()`
    `protected void` | `notifyStatementAdded(Statement st)`
    `protected void` | `notifyStatementRemoved(Statement st)`
    `void` | `removeConnectionListener(SailConnectionListener listener)` Deregisters a SailConnection listener with this SailConnection.

    - ### Methods inherited from class org.eclipse.rdf4j.sail.helpers.AbstractSailConnection

      `addStatement, addStatement, addStatementInternal, autoStartTransaction, begin, begin, clear, clearInternal, clearNamespaces, clearNamespacesInternal, close, closeInternal, commit, commitInternal, endUpdate, endUpdateInternal, evaluate, evaluateInternal, flush, getContextIDs, getContextIDsInternal, getExclusiveConnectionLock, getNamespace, getNamespaceInternal, getNamespaces, getNamespacesInternal, getSharedConnectionLock, getStatements, getStatementsInternal, getTransactionIsolation, getTransactionLock, isActive, isActiveOperation, isOpen, iterationClosed, pendingAdds, pendingRemovals, prepare, prepareInternal, registerIteration, removeNamespace, removeNamespaceInternal, removeStatement, removeStatements, removeStatementsInternal, rollback, rollbackInternal, setNamespace, setNamespaceInternal, size, sizeInternal, startTransactionInternal, startUpdate, transactionActive, verifyIsActive, verifyIsOpen`

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

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.eclipse.rdf4j.sail.SailConnection

      `addStatement, addStatement, addStatement, addStatement, begin, begin, clear, clearNamespaces, close, commit, endUpdate, evaluate, flush, getContextIDs, getNamespace, getNamespaces, getStatements, getStatements, hasStatement, isActive, isOpen, pendingRemovals, prepare, removeNamespace, removeStatement, removeStatement, removeStatements, removeStatements, rollback, setNamespace, size, startUpdate`

- - ### Constructor Detail

    - #### NotifyingSailConnectionBase

          public NotifyingSailConnectionBase(AbstractSail sailBase)

  - ### Method Detail

    - #### addConnectionListener

          public void addConnectionListener(SailConnectionListener listener)

      Description copied from interface: `NotifyingSailConnection`
      Registers a SailConnection listener with this SailConnection. The listener should be notified of any statements that are added or removed as part of this SailConnection.
      Specified by:
        `addConnectionListener` in interface `NotifyingSailConnection`
      Parameters:
        `listener` - A SailConnectionListener.

    - #### removeConnectionListener

          public void removeConnectionListener(SailConnectionListener listener)

      Description copied from interface: `NotifyingSailConnection`
      Deregisters a SailConnection listener with this SailConnection.
      Specified by:
        `removeConnectionListener` in interface `NotifyingSailConnection`
      Parameters:
        `listener` - A SailConnectionListener.

    - #### hasConnectionListeners

          protected boolean hasConnectionListeners()

    - #### notifyStatementAdded

          protected void notifyStatementAdded(Statement st)

    - #### notifyStatementRemoved

          protected void notifyStatementRemoved(Statement st)

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