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

Class CompactionWriter

java.lang.Object

org.apache.jackrabbit.oak.segment.file.CompactionWriter

public class CompactionWriter
extends Object

The CompactionWriter delegates compaction calls to the correct SegmentWriter based on GCGeneration.

Constructor Summary

Constructors

Constructor	Description
CompactionWriter(@NotNull SegmentReader reader, @Nullable BlobStore blobStore, @NotNull GCIncrement gcIncrement, @NotNull SegmentWriterFactory segmentWriterFactory)
CompactionWriter(@NotNull SegmentReader reader, @Nullable BlobStore blobStore, @NotNull GCGeneration generation, @NotNull SegmentWriter segmentWriter)

Method Summary

Modifier and Type	Method	Description
void	flush()
@Nullable org.apache.jackrabbit.oak.segment.file.CompactedNodeState.FullyCompactedNodeState	getPreviouslyCompactedState(NodeState nodeState)
@NotNull org.apache.jackrabbit.oak.segment.file.CompactedNodeState.FullyCompactedNodeState	writeFullyCompactedNode(@NotNull NodeState nodeState, @Nullable Buffer stableId)
@Nullable org.apache.jackrabbit.oak.segment.file.CompactedNodeState.PartiallyCompactedNodeState	writePartiallyCompactedNode(@NotNull NodeState nodeState, @Nullable Buffer stableId)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CompactionWriter

public CompactionWriter(@NotNull
                        @NotNull SegmentReader reader,
                        @Nullable
                        @Nullable BlobStore blobStore,
                        @NotNull
                        @NotNull GCGeneration generation,
                        @NotNull
                        @NotNull SegmentWriter segmentWriter)

CompactionWriter

public CompactionWriter(@NotNull
                        @NotNull SegmentReader reader,
                        @Nullable
                        @Nullable BlobStore blobStore,
                        @NotNull
                        @NotNull GCIncrement gcIncrement,
                        @NotNull
                        @NotNull SegmentWriterFactory segmentWriterFactory)

Method Detail

writeFullyCompactedNode

@NotNull
public @NotNull org.apache.jackrabbit.oak.segment.file.CompactedNodeState.FullyCompactedNodeState writeFullyCompactedNode(@NotNull
                                                                                                                          @NotNull NodeState nodeState,
                                                                                                                          @Nullable
                                                                                                                          @Nullable Buffer stableId)
                                                                                                                   throws IOException

Throws:

IOException

writePartiallyCompactedNode

@Nullable
public @Nullable org.apache.jackrabbit.oak.segment.file.CompactedNodeState.PartiallyCompactedNodeState writePartiallyCompactedNode(@NotNull
                                                                                                                                   @NotNull NodeState nodeState,
                                                                                                                                   @Nullable
                                                                                                                                   @Nullable Buffer stableId)
                                                                                                                            throws IOException

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException

getPreviouslyCompactedState

@Nullable
public @Nullable org.apache.jackrabbit.oak.segment.file.CompactedNodeState.FullyCompactedNodeState getPreviouslyCompactedState(NodeState nodeState)