Class: Bdb::Base

Inherits:
Object show all
Defined in:
lib/bdb/base.rb

Direct Known Subclasses

Database, PartitionedDatabase

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ Base

Returns a new instance of Base.



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# File 'lib/bdb/base.rb', line 7

def initialize(opts)
  @config  = Bdb::Environment.config.merge(opts)
  @indexes = {}
end

Instance Attribute Details

#indexes ⇒ Object (readonly)

Returns the value of attribute indexes.



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# File 'lib/bdb/base.rb', line 11

def indexes
  @indexes
end

Instance Method Details

#checkpoint(opts = {}) ⇒ Object 



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# File 'lib/bdb/base.rb', line 38

def checkpoint(opts = {})
  environment.checkpoint(opts)
end

#config(config = {}) ⇒ Object 



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# File 'lib/bdb/base.rb', line 13

def config(config = {})
  @config.merge!(config)
end

#environment ⇒ Object 



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# File 'lib/bdb/base.rb', line 26

def environment
  @environment ||= Bdb::Environment.new(path, self)
end

#index_by(field, opts = {}) ⇒ Object 



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# File 'lib/bdb/base.rb', line 17

def index_by(field, opts = {})
  raise "index on #{field} already exists" if indexes[field]
  indexes[field] = opts
end

#master? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bdb/base.rb', line 42

def master?
  environment.master?
end

#path ⇒ Object 



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# File 'lib/bdb/base.rb', line 22

def path
  config[:path] || Dir.pwd
end

#synchronize(&block) ⇒ Object 



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# File 'lib/bdb/base.rb', line 34

def synchronize(&block)
  environment.synchronize(&block)
end

#transaction(nested = true, &block) ⇒ Object 



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# File 'lib/bdb/base.rb', line 30

def transaction(nested = true, &block)
  environment.transaction(nested, &block)
end