INodeFile extends INodeWithAdditionalFields implements INodeFileAttributes, BlockCollection { public final short getFileReplication(int snapshot) { if (snapshot != CURRENT_STATE_ID) { return getSnapshotINode(snapshot).getFileReplication(); } return HeaderFormat.getReplication(header); } INodeFile(long id, byte[] name, PermissionStatus permissions, long mtime,
            long atime, BlockInfo[] blklist, short replication,
            long preferredBlockSize);   INodeFile(long id, byte[] name, PermissionStatus permissions, long mtime,
      long atime, BlockInfo[] blklist, Short replication, Byte ecPolicyID,
      long preferredBlockSize, byte storagePolicyID, BlockType blockType);  INodeFile(INodeFile that);  INodeFile(INodeFile that, FileDiffList diffs); static INodeFile valueOf(INode inode, String path
      ); static INodeFile valueOf(INode inode, String path, boolean acceptNull); @Override final boolean isFile(); @Override final INodeFile asFile(); @Override boolean metadataEquals(INodeFileAttributes other); final FileUnderConstructionFeature getFileUnderConstructionFeature(); @Override // BlockCollection boolean isUnderConstruction(); @Override // BlockCollection void setBlock(int index, BlockInfo blk); @Override // BlockCollection, the file should be under construction void convertLastBlockToUC(BlockInfo lastBlock,
      DatanodeStorageInfo[] locations); FileWithSnapshotFeature addSnapshotFeature(FileDiffList diffs); final FileWithSnapshotFeature getFileWithSnapshotFeature(); final boolean isWithSnapshot(); @Override String toDetailString(); @Override INodeFileAttributes getSnapshotINode(final int snapshotId); @Override void recordModification(final int latestSnapshotId); void recordModification(final int latestSnapshotId, boolean withBlocks); FileDiffList getDiffs(); final short getFileReplication(int snapshot); @Override // INodeFileAttributes final short getFileReplication(); short getPreferredBlockReplication(); final INodeFile setFileReplication(short replication,
      int latestSnapshotId); @Override long getPreferredBlockSize(); @Override byte getLocalStoragePolicyID(); @Override byte getStoragePolicyID(); final void setStoragePolicyID(byte storagePolicyId,
      int latestSnapshotId); @VisibleForTesting @Override byte getErasureCodingPolicyID(); @VisibleForTesting @Override boolean isStriped(); @VisibleForTesting @Override BlockType getBlockType(); @Override // INodeFileAttributes long getHeaderLong(); @Override // BlockCollection BlockInfo[] getBlocks(); BlockInfo[] getBlocks(int snapshot); void clearBlocks(); @Override void cleanSubtree(ReclaimContext reclaimContext,
      final int snapshot, int priorSnapshotId); @Override void destroyAndCollectBlocks(ReclaimContext reclaimContext); void clearFile(ReclaimContext reclaimContext); @Override String getName(); @Override final QuotaCounts computeQuotaUsage(BlockStoragePolicySuite bsps,
      byte blockStoragePolicyId, boolean useCache, int lastSnapshotId); final QuotaCounts computeQuotaUsageWithStriped(
      BlockStoragePolicy bsp, QuotaCounts counts); @Override final ContentSummaryComputationContext computeContentSummary(
      int snapshotId, final ContentSummaryComputationContext summary); final long computeFileSize(); final long computeFileSize(int snapshotId); final long computeFileSizeNotIncludingLastUcBlock(); final long computeFileSize(boolean includesLastUcBlock,
      boolean usePreferredBlockSize4LastUcBlock); final QuotaCounts storagespaceConsumed(BlockStoragePolicy bsp); final QuotaCounts storagespaceConsumedStriped(); final QuotaCounts storagespaceConsumedContiguous(
      BlockStoragePolicy bsp); @Override BlockInfo getLastBlock(); @Override int numBlocks(); @VisibleForTesting @Override void dumpTreeRecursively(PrintWriter out, StringBuilder prefix,
      final int snapshotId); @Override void accept(NamespaceVisitor visitor, int snapshot); long collectBlocksBeyondMax(final long max,
      final BlocksMapUpdateInfo collectedBlocks, Set<BlockInfo> toRetain); void collectBlocksBeyondSnapshot(BlockInfo[] snapshotBlocks,
                                          BlocksMapUpdateInfo collectedBlocks); static final short DEFAULT_REPL_FOR_STRIPED_BLOCKS; }
@Test public void testReplication () { replication = 3; preferredBlockSize = 128*1024*1024; INodeFile inf = createINodeFile(replication, preferredBlockSize); assertEquals("True has to be returned in this case", replication, inf.getFileReplication()); }