Uses of Package
com.tangosol.io.journal
Packages that use com.tangosol.io.journal
Package
Description
Defines the Coherence configuration object model classes and interfaces for
Caching and Service Schemes.
Contains classes related to the journaling services.
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Classes in com.tangosol.io.journal used by com.tangosol.coherence.config.schemeClassDescriptionThe BackupJournalRM is a "meta" journal resource manager that is intended to be used for storage of "backup" data.A FlashJournalRM manages disk I/O for temporary journal-based files, and acts as a shared resource for any number of journals that share a common configuration.A RamJournalRM manages memory buffers for journal-based storage in memory, and acts as a shared resource for any number of journals that share a common configuration.
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Classes in com.tangosol.io.journal used by com.tangosol.io.journalClassDescriptionThe AbstractJournalRM represents a Journal Resource Manager that manages storage for journaled data, and acts as a shared resource for any number of journals that share a common configuration.The CollectorDaemon evaluates the JournalFile objects to see which ones should be evacuated, it evacuates those that should be, and it deletes those that have been successfully evacuated.A CollectionCoordinator is responsible for shaping an evacuation as well as managing any reserved files created to ensure the journal continues to operate.The DefaultDependencies class provides a default implementation of Dependencies.The Dependencies interface provides AbstractJournalRM with its external dependencies.A JournalFile object is created for each file used to store the journal contents.A Journal implementation managed by this Journal Resource Manager.The BackupJournalRM is a "meta" journal resource manager that is intended to be used for storage of "backup" data.The FlashConsumer is a "dummy" consumer used to obtain a flash journal instance.A Journal implementation managed by this Journal Resource Manager.The RamConsumer is a pass-through consumer used to obtain a ram journal instance.A FlashJournalRM manages disk I/O for temporary journal-based files, and acts as a shared resource for any number of journals that share a common configuration.A Buffer is a handy shell with some helper methods around a byte[] and a ByteBuffer.The BufferPool class recycles up to a maximum number of Buffer objects.A CongestionPolicy defines how to behave when the currently active
FlashJournalRM.JournalFilebecomes congested.The DefaultDependencies class provides a default implementation of Dependencies.The Dependencies interface provides a FlashJournalRM object with its external dependencies.AFlashJournalRM.CongestionPolicythat fails, by throwing an unchecked exception, whenFlashJournalRM.FailCongestionPolicy.onCongestion(com.tangosol.io.journal.FlashJournalRM.JournalFile)is invoked.A JournalFile is created for each OS file used to store the journal contents.The PreparerDaemon takes the enqueued Binary values for the JournalFile objects, and lays them out in Buffer objects from the BufferPool, enqueuing them for the WriterDaemon to write.AFlashJournalRM.CongestionPolicywhich blocks the current thread on theFlashJournalRM.JournalFile's monitor until awoken.The WriterDaemon takes the enqueued Buffer objects from the PreparerDaemon, and appends them to a JournalFile.The Journal interface represents data that is written as part of a stream of updates, with the ability to identify writes (and later read them) using a ticket system.An interface that represents the actions that a Journal may request of an object that uses the Journal.A BinaryStore that writes to a Journal.AJournalMBeanis an MBean interface providing statistics for a Journal Resource Manager as implemented by eitherFlashJournalRMorRamJournalRMimplementations.A JournalService manages the lifecycle for theRamJournalRM,FlashJournalRM, and theBackupJournalRM.A RamJournalRM manages memory buffers for journal-based storage in memory, and acts as a shared resource for any number of journals that share a common configuration.A pooling implementation for WriteBuffer objects.The DefaultDependencies class provides a default implementation of Dependencies.The Dependencies interface provides a RamJournalRM object with its external dependencies.The FlashConsumer is a conduit between this RamJournalRM and the FlashJournalRM, allowing this journal to read/write to/from the other flash journal, and for the flash journal to notify this journal of lifecycle and other events.A JournalFile is created for each RAM buffer used to store the journal contents.A Journal implementation managed by this Journal Resource Manager.