Lorenz Quack created QPID-7658:
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             Summary: [Java Broker] Improve LinkRegistry
                 Key: QPID-7658
                 URL: https://issues.apache.org/jira/browse/QPID-7658
             Project: Qpid
          Issue Type: Task
            Reporter: Lorenz Quack
             Fix For: qpid-java-7.0


Currently the AbstractVirtualHost has a Map<remoteContainerId, LinkRegistry>.

The handling of the remoteContainerId should also be encapsulated in the 
LinkRegistry giving each VH only a single LinkRegistry.

Furthermore the following change to the LinkRegistry is proposed:
* LinkRegistry.putSendingLinkIfAbsent(String localContainerId, String 
remoteContrainerId, String linkName, Source source, Target target) -> 
Pair<Source, Target>
* LinkRegistry.putReceivingLinkIfAbsent(String localContainerId, String 
remoteContrainerId, String linkName, Source source, Target target) -> 
Pair<Source, Target>
* LinkRegistry.getSendvingLink(String localContainerId, String 
remoteContrainerId, String linkName) -> Pair<Source, Target>
* LinkRegistry.getReceivingLink(String localContainerId, String 
remoteContrainerId, String linkName) -> Pair<Source, Target>
* LinkRegistry.removeSendingLink(String localContainerId, String 
remoteContrainerId, String linkName) -> Pair<Source, Target>
* LinkRegistry.removeReceivingLink(String localContainerId, String 
remoteContrainerId, String linkName) -> Pair<Source, Target>

The implementation of which must be thread-safe because the LinkRegistry will 
be accessed on multiple threads concurrently.



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