Package org.apache.hadoop.hdfs.server.namenode.snapshot

Examples of org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature

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    if (wn != null) {
      INode referred = wc.getReferredINode();
      if (referred.isFile() && referred.asFile().isWithSnapshot()) {
        return referred.asFile().getDiffs().getPrior(wn.lastSnapshotId);
      } else if (referred.isDirectory()) {
        DirectoryWithSnapshotFeature sf = referred.asDirectory()
            .getDirectoryWithSnapshotFeature();
        if (sf != null) {
          return sf.getDiffs().getPrior(wn.lastSnapshotId);
        }
      }
    }
    return Snapshot.NO_SNAPSHOT_ID;
  }
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      INode referred = getReferredINode().asReference().getReferredINode();
      int snapshot = Snapshot.NO_SNAPSHOT_ID;
      if (referred.isFile() && referred.asFile().isWithSnapshot()) {
        snapshot = referred.asFile().getDiffs().getPrior(lastSnapshotId);
      } else if (referred.isDirectory()) {
        DirectoryWithSnapshotFeature sf = referred.asDirectory()
            .getDirectoryWithSnapshotFeature();
        if (sf != null) {
          snapshot = sf.getDiffs().getPrior(lastSnapshotId);
        }
      }
      return snapshot;
    }
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      INode referred = wc.getReferredINode();
      int lastSnapshot = Snapshot.CURRENT_STATE_ID;
      if (referred.isFile() && referred.asFile().isWithSnapshot()) {
        lastSnapshot = referred.asFile().getDiffs().getLastSnapshotId();
      } else if (referred.isDirectory()) {
        DirectoryWithSnapshotFeature sf = referred.asDirectory()
            .getDirectoryWithSnapshotFeature();
        if (sf != null) {
          lastSnapshot = sf.getLastSnapshotId();
        }
      }
      if (lastSnapshot != Snapshot.CURRENT_STATE_ID && lastSnapshot != prior) {
        return lastSnapshot;
      } else {
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          int latest = existing.getLatestSnapshotId();
          if (latest == Snapshot.CURRENT_STATE_ID || // no snapshot in dst tree of rename
              (dstSnapshotId != Snapshot.CURRENT_STATE_ID &&
                dstSnapshotId >= latest)) { // the above scenario
            int lastSnapshot = Snapshot.CURRENT_STATE_ID;
            DirectoryWithSnapshotFeature sf = null;
            if (curNode.isDirectory() &&
                (sf = curNode.asDirectory().getDirectoryWithSnapshotFeature()) != null) {
              lastSnapshot = sf.getLastSnapshotId();
            }
            existing.setSnapshotId(lastSnapshot);
          }
        }
      }
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  public DirectoryWithSnapshotFeature addSnapshotFeature(
      DirectoryDiffList diffs) {
    Preconditions.checkState(!isWithSnapshot(),
        "Directory is already with snapshot");
    DirectoryWithSnapshotFeature sf = new DirectoryWithSnapshotFeature(diffs);
    addFeature(sf);
    return sf;
  }
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  public final boolean isWithSnapshot() {
    return getDirectoryWithSnapshotFeature() != null;
  }
 
  public DirectoryDiffList getDiffs() {
    DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
    return sf != null ? sf.getDiffs() : null;
  }
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    return sf != null ? sf.getDiffs() : null;
  }
 
  @Override
  public INodeDirectoryAttributes getSnapshotINode(int snapshotId) {
    DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
    return sf == null ? this : sf.getDiffs().getSnapshotINode(snapshotId, this);
  }
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    return sf == null ? this : sf.getDiffs().getSnapshotINode(snapshotId, this);
  }
 
  @Override
  public String toDetailString() {
    DirectoryWithSnapshotFeature sf = this.getDirectoryWithSnapshotFeature();
    return super.toDetailString() + (sf == null ? "" : ", " + sf.getDiffs());
  }
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      withCount.removeReference(oldChild.asReference());
    }
    children.set(i, newChild);
   
    // replace the instance in the created list of the diff list
    DirectoryWithSnapshotFeature sf = this.getDirectoryWithSnapshotFeature();
    if (sf != null) {
      sf.getDiffs().replaceChild(ListType.CREATED, oldChild, newChild);
    }
   
    // update the inodeMap
    if (inodeMap != null) {
      inodeMap.put(newChild);
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  public INodeDirectory recordModification(int latestSnapshotId)
      throws QuotaExceededException {
    if (isInLatestSnapshot(latestSnapshotId)
        && !shouldRecordInSrcSnapshot(latestSnapshotId)) {
      // add snapshot feature if necessary
      DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
      if (sf == null) {
        sf = addSnapshotFeature(null);
      }
      // record self in the diff list if necessary
      sf.getDiffs().saveSelf2Snapshot(latestSnapshotId, this, null);
    }
    return this;
  }
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Related Classes of org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature

  • org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry
  • org.apache.hadoop.hdfs.server.namenode.ContentSummaryComputationContext
  • org.apache.hadoop.hdfs.server.namenode.FSImageFormat$Saver
  • org.apache.hadoop.hdfs.server.namenode.INode
  • org.apache.hadoop.hdfs.server.namenode.INodeDirectory
  • org.apache.hadoop.hdfs.server.namenode.INodeDirectoryAttributes
  • org.apache.hadoop.hdfs.server.namenode.INodeFile
  • org.apache.hadoop.hdfs.server.namenode.INodeReference
  • org.apache.hadoop.hdfs.server.namenode.INodeReference$DstReference
  • org.apache.hadoop.hdfs.server.namenode.INodeReference$WithName
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