Package org.apache.jackrabbit.oak.segment.file

Class AbstractFileStore

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable, SegmentStore
    Direct Known Subclasses:
    FileStore, ReadOnlyFileStore
    public abstract class AbstractFileStore
extends java.lang.Object
implements SegmentStore, java.io.Closeable
    The storage implementation for tar files.

    • Field Detail

      • ioMonitor

        protected final IOMonitor ioMonitor

      • binariesInlineThreshold

        protected final int binariesInlineThreshold

    • Method Detail

      • getSegmentCacheStats

        @NotNull
public @NotNull CacheStatsMBean getSegmentCacheStats()

      • getStringCacheStats

        @NotNull
public @NotNull CacheStatsMBean getStringCacheStats()

      • getTemplateCacheStats

        @NotNull
public @NotNull CacheStatsMBean getTemplateCacheStats()

      • getWriter

        @NotNull
public abstract @NotNull SegmentWriter getWriter()

      • getSegmentIdProvider

        @NotNull
public @NotNull SegmentIdProvider getSegmentIdProvider()

      • getBinariesInlineThreshold

        public int getBinariesInlineThreshold()

      • getRevisions

        public abstract Revisions getRevisions()
        Returns:
        the Revisions object bound to the current store.

      • getHead

        @NotNull
public @NotNull SegmentNodeState getHead()
        Convenience method for accessing the root node for the current head. This is equivalent to 
         fileStore.getReader().readHeadState(fileStore.getRevisions())
        Returns:
        the current head node state

      • getBlobStore

        @Nullable
public @Nullable BlobStore getBlobStore()
        Returns:
        the external BlobStore (if configured) with this store, null otherwise.

      • collectBlobReferences

        public abstract void collectBlobReferences​(java.util.function.Consumer<java.lang.String> collector)
                                    throws java.io.IOException
        Finds all external blob references that are currently accessible in this repository and adds them to the given collector. Useful for collecting garbage in an external data store.

        Note that this method only collects blob references that are already stored in the repository (at the time when this method is called), so the garbage collector will need some other mechanism for tracking in-memory references and references stored while this method is running.

        Parameters:
        collector - reference collector called back for each blob reference found
        Throws:
        java.io.IOException