Package org.apache.activemq.store

Interface MessageStore

All Superinterfaces:
org.apache.activemq.Service
All Known Subinterfaces:
ReferenceStore, TopicMessageStore, TopicReferenceStore
All Known Implementing Classes:
AbstractMessageStore, MemoryMessageStore, MemoryTopicMessageStore, ProxyMessageStore, ProxyTopicMessageStore
public interface MessageStore extends org.apache.activemq.Service
Represents a message store which is used by the persistent implementations

  • Method Details

    • addMessage

      void addMessage(ConnectionContext context, org.apache.activemq.command.Message message) throws IOException
      Adds a message to the message store
      Parameters:
      context - context
      message -
      Throws:
      IOException

    • addMessage

      void addMessage(ConnectionContext context, org.apache.activemq.command.Message message, boolean canOptimizeHint) throws IOException
      Adds a message to the message store
      Parameters:
      context - context
      message -
      canOptimizeHint - - give a hint to the store that the message may be consumed before it hits the disk
      Throws:
      IOException

    • asyncAddQueueMessage

      ListenableFuture<Object> asyncAddQueueMessage(ConnectionContext context, org.apache.activemq.command.Message message) throws IOException
      Adds a message to the message store
      Parameters:
      context - context
      message -
      Returns:
      a Future to track when this is complete
      Throws:
      IOException
      IOException

    • asyncAddQueueMessage

      ListenableFuture<Object> asyncAddQueueMessage(ConnectionContext context, org.apache.activemq.command.Message message, boolean canOptimizeHint) throws IOException
      Adds a message to the message store
      Parameters:
      context - context
      message -
      canOptimizeHint - - give a hint to the store that the message may be consumed before it hits the disk
      Returns:
      a Future to track when this is complete
      Throws:
      IOException
      IOException

    • asyncAddTopicMessage

      ListenableFuture<Object> asyncAddTopicMessage(ConnectionContext context, org.apache.activemq.command.Message message) throws IOException
      Adds a message to the message store
      Parameters:
      context - context
      message -
      Returns:
      a ListenableFuture to track when this is complete
      Throws:
      IOException
      IOException

    • asyncAddTopicMessage

      ListenableFuture<Object> asyncAddTopicMessage(ConnectionContext context, org.apache.activemq.command.Message message, boolean canOptimizeHint) throws IOException
      Adds a message to the message store
      Parameters:
      context - context
      message -
      canOptimizeHint - - give a hint to the store that the message may be consumed before it hits the disk
      Returns:
      a ListenableFuture to track when this is complete
      Throws:
      IOException
      IOException

    • getMessage

      org.apache.activemq.command.Message getMessage(org.apache.activemq.command.MessageId identity) throws IOException
      Looks up a message using either the String messageID or the messageNumber. Implementations are encouraged to fill in the missing key if its easy to do so.
      Parameters:
      identity - which contains either the messageID or the messageNumber
      Returns:
      the message or null if it does not exist
      Throws:
      IOException

    • removeMessage

      void removeMessage(ConnectionContext context, org.apache.activemq.command.MessageAck ack) throws IOException
      Removes a message from the message store.
      Parameters:
      context -
      ack - the ack request that cause the message to be removed. It conatins the identity which contains the messageID of the message that needs to be removed.
      Throws:
      IOException

    • removeAsyncMessage

      void removeAsyncMessage(ConnectionContext context, org.apache.activemq.command.MessageAck ack) throws IOException
      Throws:
      IOException

    • removeAllMessages

      void removeAllMessages(ConnectionContext context) throws IOException
      Removes all the messages from the message store.
      Parameters:
      context -
      Throws:
      IOException

    • recover

      void recover(MessageRecoveryListener container) throws Exception
      Recover any messages to be delivered.
      Parameters:
      container -
      Throws:
      Exception

    • getDestination

      org.apache.activemq.command.ActiveMQDestination getDestination()
      The destination that the message store is holding messages for.
      Returns:
      the destination

    • setMemoryUsage

      void setMemoryUsage(org.apache.activemq.usage.MemoryUsage memoryUsage)
      Parameters:
      memoryUsage - The SystemUsage that is controlling the destination's memory usage.

    • getMessageCount

      int getMessageCount() throws IOException
      Returns:
      the number of messages ready to deliver
      Throws:
      IOException

    • getMessageSize

      long getMessageSize() throws IOException
      Returns:
      the size of the messages ready to deliver
      Throws:
      IOException

    • getMessageStoreStatistics

      MessageStoreStatistics getMessageStoreStatistics()
      Returns:
      The statistics bean for this message store

    • resetBatching

      void resetBatching()
      A hint to the Store to reset any batching state for the Destination

    • recoverNextMessages

      void recoverNextMessages(int maxReturned, MessageRecoveryListener listener) throws Exception
      Throws:
      Exception

    • dispose

      void dispose(ConnectionContext context)

    • setBatch

      void setBatch(org.apache.activemq.command.MessageId messageId) throws Exception
      allow caching cursors to set the current batch offset when cache is exhausted
      Parameters:
      messageId -
      Throws:
      Exception

    • isEmpty

      boolean isEmpty() throws Exception
      flag to indicate if the store is empty
      Returns:
      true if the message count is 0
      Throws:
      Exception

    • setPrioritizedMessages

      void setPrioritizedMessages(boolean prioritizedMessages)
      A hint to the store to try recover messages according to priority
      Parameters:
      prioritizedMessages -

    • isPrioritizedMessages

      boolean isPrioritizedMessages()
      Returns:
      true if store is trying to recover messages according to priority

    • updateMessage

      void updateMessage(org.apache.activemq.command.Message message) throws IOException
      Throws:
      IOException

    • registerIndexListener

      void registerIndexListener(IndexListener indexListener)