How to use

getInstance

method

in

org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$MkdirOp

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 PermissionStatus permissions = newNode.getPermissionStatus();
 MkdirOp op = MkdirOp.getInstance(cache.get())
  .setInodeId(newNode.getId())
  .setPath(path)
  .setTimestamp(newNode.getModificationTime())
  .setPermissionStatus(permissions);
 AclFeature f = newNode.getAclFeature();
 if (f != null) {
  op.setAclEntries(AclStorage.readINodeLogicalAcl(newNode));
 }
 XAttrFeature x = newNode.getXAttrFeature();
 if (x != null) {
  op.setXAttrs(x.getXAttrs());
 }
 logEdit(op);
}

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 PermissionStatus permissions = newNode.getPermissionStatus();
 MkdirOp op = MkdirOp.getInstance(cache.get())
  .setInodeId(newNode.getId())
  .setPath(path)
  .setTimestamp(newNode.getModificationTime())
  .setPermissionStatus(permissions);
 AclFeature f = newNode.getAclFeature();
 if (f != null) {
  op.setAclEntries(AclStorage.readINodeLogicalAcl(newNode));
 }
 XAttrFeature x = newNode.getXAttrFeature();
 if (x != null) {
  op.setXAttrs(x.getXAttrs());
 }
 logEdit(op);
}

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 PermissionStatus permissions = newNode.getPermissionStatus();
 MkdirOp op = MkdirOp.getInstance(cache.get())
  .setInodeId(newNode.getId())
  .setPath(path)
  .setTimestamp(newNode.getModificationTime())
  .setPermissionStatus(permissions);
 AclFeature f = newNode.getAclFeature();
 if (f != null) {
  op.setAclEntries(AclStorage.readINodeLogicalAcl(newNode));
 }
 XAttrFeature x = newNode.getXAttrFeature();
 if (x != null) {
  op.setXAttrs(x.getXAttrs());
 }
 logEdit(op);
}

/** 
 * Add create directory record to edit log
 */
public void logMkDir(String path, INode newNode) {
 MkdirOp op = MkdirOp.getInstance();
 op.set(path, newNode.getModificationTime(), 
   newNode.getPermissionStatus());
 logEdit(op);
}

public static FSEditLogOp createMkdirOp(String path) {
 MkdirOp op = MkdirOp.getInstance(new FSEditLogOp.OpInstanceCache())
  .setPath(path)
  .setTimestamp(0)
  .setPermissionStatus(new PermissionStatus(
      "testuser", "testgroup", FsPermission.getDefault()));
 return op;
}