Class: Hadoop::DFS::FileInfo

Inherits:
Object
  • Object
show all
Defined in:
ext/hdfs/hdfs.c

Direct Known Subclasses

Directory, File

Defined Under Namespace

Classes: Directory, File

Instance Method Summary collapse

Instance Method Details

#block_size ⇒ Object

Returns the block size of the file described by this object.



926
927
928
929
930
 
# File 'ext/hdfs/hdfs.c', line 926

VALUE HDFS_File_Info_block_size(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return INT2NUM(file_info->mBlockSize);
}

#group ⇒ Object

Returns the group of the file described by this object.



938
939
940
941
942
 
# File 'ext/hdfs/hdfs.c', line 938

VALUE HDFS_File_Info_group(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return rb_str_new(file_info->mGroup, strlen(file_info->mGroup));
}

#is_directory? ⇒ Boolean

Returns True if the file described by this object is a directory; otherwise, returns False.

Returns:

  • (Boolean) 


951
952
953
 
# File 'ext/hdfs/hdfs.c', line 951

VALUE HDFS_File_Info_is_directory(VALUE self) {
  return Qfalse;
}

#is_file? ⇒ Boolean

Returns True if the file described by this object is a file; otherwise, returns False.

Returns:

  • (Boolean) 


962
963
964
 
# File 'ext/hdfs/hdfs.c', line 962

VALUE HDFS_File_Info_is_file(VALUE self) {
  return Qfalse;
}

#last_access ⇒ Object

Returns the time of last access as an Integer representing seconds since the epoch.



981
982
983
984
985
 
# File 'ext/hdfs/hdfs.c', line 981

VALUE HDFS_File_Info_last_access(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return LONG2NUM(file_info->mLastAccess);
}

#last_modified ⇒ Object

Returns the time of last modification as an Integer representing seconds since the epoch for the file



994
995
996
997
998
 
# File 'ext/hdfs/hdfs.c', line 994

VALUE HDFS_File_Info_last_modified(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return LONG2NUM(file_info->mLastMod);
}

#last_modified ⇒ Object

Returns the time of last modification as an Integer representing seconds since the epoch.



1007
1008
1009
1010
1011
 
# File 'ext/hdfs/hdfs.c', line 1007

VALUE HDFS_File_Info_mode(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return INT2NUM(decimal_octal(file_info->mPermissions));
}

#name ⇒ Object

Returns the name of the file as a String.



1019
1020
1021
1022
1023
 
# File 'ext/hdfs/hdfs.c', line 1019

VALUE HDFS_File_Info_name(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return rb_str_new(file_info->mName, strlen(file_info->mName));
}

#owner ⇒ Object

Returns the owner of the file as a String.



1031
1032
1033
1034
1035
 
# File 'ext/hdfs/hdfs.c', line 1031

VALUE HDFS_File_Info_owner(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return rb_str_new(file_info->mOwner, strlen(file_info->mOwner));
}

#replication ⇒ Object

Returns the replication factor of the file as an Integer.



1043
1044
1045
1046
1047
 
# File 'ext/hdfs/hdfs.c', line 1043

VALUE HDFS_File_Info_replication(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return INT2NUM(file_info->mReplication);
}

#name ⇒ Object

Returns the size of the file as an Integer.



1055
1056
1057
1058
1059
 
# File 'ext/hdfs/hdfs.c', line 1055

VALUE HDFS_File_Info_size(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  return LONG2NUM(file_info->mSize);
}

#to_s ⇒ Object

Returns a human-readable representation of a Hadoop::DFS::FileSystem object as a String.



1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
 
# File 'ext/hdfs/hdfs.c', line 1068

VALUE HDFS_File_Info_to_s(VALUE self) {
  FileInfo* file_info = NULL;
  Data_Get_Struct(self, FileInfo, file_info);
  // Introspects current class, returns it as a String.
  VALUE class_string = rb_funcall(
      rb_funcall(self, rb_intern("class"), 0),
      rb_intern("to_s"), 0);
  char* output;
  VALUE string_value = rb_str_new2("");
  // If asprintf was successful, creates a Ruby String.
  if (asprintf(&output, "#<%s: %s, mode=%d, owner=%s, group=%s>",
          RSTRING_PTR(class_string), file_info->mName,
          decimal_octal(file_info->mPermissions), file_info->mOwner,
          file_info->mGroup) >= 0) {
    string_value = rb_str_new(output, strlen(output));
  }
  free(output);
  return string_value;
}