Class: LevelDB::DB

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/leveldb.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#pathname ⇒ Object (readonly)

Returns the value of attribute pathname.



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# File 'lib/leveldb.rb', line 33

def pathname
  @pathname
end

Class Method Details

.create(pathname) ⇒ Object

Creates a new LevelDB database stored on disk at pathname. Throws an exception if the database already exists.



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# File 'lib/leveldb.rb', line 15

def create pathname
  make path_string(pathname), true, true
end

.load(pathname) ⇒ Object

Loads a LevelDB database stored on disk at pathname. Throws an exception unless the database already exists.



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# File 'lib/leveldb.rb', line 21

def load pathname
  make path_string(pathname), false, false
end

.new(pathname) ⇒ Object

Loads or creates a LevelDB database as necessary, stored on disk at pathname.



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# File 'lib/leveldb.rb', line 9

def new pathname
  make path_string(pathname), true, false
end

Instance Method Details

#each(*args, &block) ⇒ Object 



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# File 'lib/leveldb.rb', line 41

def each(*args, &block)
  i = iterator(*args)
  i.each(&block) if block
  i
end

#inspect ⇒ Object 



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# File 'lib/leveldb.rb', line 51

def inspect
  %(<#{self.class} #{@pathname.inspect}>)
end

#iterator(*args) ⇒ Object 



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# File 'lib/leveldb.rb', line 47

def iterator(*args); Iterator.new self, *args end

#keys ⇒ Object 



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# File 'lib/leveldb.rb', line 48

def keys; map { |k, v| k } end

#values ⇒ Object 



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# File 'lib/leveldb.rb', line 49

def values; map { |k, v| v } end