Package org.infinispan.xsite
Class ClusteredCacheBackupReceiver
java.lang.Object
org.infinispan.xsite.ClusteredCacheBackupReceiver
- All Implemented Interfaces:
BackupReceiver
BackupReceiver implementation for clustered caches.- Since:
- 7.1
- Author:
- Pedro Ruivo
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionClears the cache.It handles finishing the state transfer from a remote site.final <O> CompletionStage<O>handleRemoteCommand(VisitableCommand command, boolean preserveOrder) It handles starting the state transfer from a remote site.It handles the state transfer state from a remote site.putKeyValue(Object key, Object value, Metadata metadata, IracMetadata iracMetadata) Updates the key with the value from a remote site.removeKey(Object key, IracMetadata iracMetadata, boolean expiration) Deletes the key.voidstart()touchEntry(Object key) Touches an entry and returns if it was able to or not.
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Constructor Details
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ClusteredCacheBackupReceiver
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Method Details
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start
public void start() -
handleStartReceivingStateTransfer
public CompletionStage<Void> handleStartReceivingStateTransfer(XSiteStateTransferStartReceiveCommand command) Description copied from interface:BackupReceiverIt handles starting the state transfer from a remote site. The command must be broadcast to the entire cluster in which the cache exists.- Specified by:
handleStartReceivingStateTransferin interfaceBackupReceiver
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handleEndReceivingStateTransfer
public CompletionStage<Void> handleEndReceivingStateTransfer(XSiteStateTransferFinishReceiveCommand command) Description copied from interface:BackupReceiverIt handles finishing the state transfer from a remote site. The command must be broadcast to the entire cluster in which the cache exists.- Specified by:
handleEndReceivingStateTransferin interfaceBackupReceiver
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handleStateTransferState
Description copied from interface:BackupReceiverIt handles the state transfer state from a remote site. It is possible to have a single node applying the state or forward the state to respective primary owners.- Specified by:
handleStateTransferStatein interfaceBackupReceiver
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handleRemoteCommand
public final <O> CompletionStage<O> handleRemoteCommand(VisitableCommand command, boolean preserveOrder) - Specified by:
handleRemoteCommandin interfaceBackupReceiver
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putKeyValue
public CompletionStage<Void> putKeyValue(Object key, Object value, Metadata metadata, IracMetadata iracMetadata) Description copied from interface:BackupReceiverUpdates the key with the value from a remote site.If a conflict occurs, the update can be discarded.
- Specified by:
putKeyValuein interfaceBackupReceiver- Parameters:
key- The key to update.value- The new value.metadata- The newMetadata.iracMetadata- TheIracMetadatafor conflict resolution.- Returns:
- A
CompletionStagethat is completed when the update is apply in the cluster or is discarded.
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removeKey
Description copied from interface:BackupReceiverDeletes the key.This is a request from the remote site and the removal can be discarded if a conflict happens.
- Specified by:
removeKeyin interfaceBackupReceiver- Parameters:
key- The key to delete.iracMetadata- TheIracMetadatafor conflict resolution.expiration-trueif it is to remove an expired key.- Returns:
- A
CompletionStagethat is completed when the key is deleted or it is discarded.
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clearKeys
Description copied from interface:BackupReceiverClears the cache.This is not safe and it doesn't perform any conflict resolution.
- Specified by:
clearKeysin interfaceBackupReceiver- Returns:
- A
CompletionStagethat is completed when the cache is cleared.
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touchEntry
Description copied from interface:BackupReceiverTouches an entry and returns if it was able to or not.- Specified by:
touchEntryin interfaceBackupReceiver- Parameters:
key- the key of the entry to touch- Returns:
- if the entry was touched
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