Class: Reth::DBService

Inherits:
DEVp2p::Service
  • Object
show all
Includes:
BaseDB
Defined in:
lib/reth/db_service.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ DBService

Returns a new instance of DBService.



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# File 'lib/reth/db_service.rb', line 15

def initialize(app)
  super(app)
  @db_service = LevelDBService.new(app)
end

Instance Method Details

#cleanup(epoch) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 79

def cleanup(epoch)
  # do nothing
end

#commit ⇒ Object 



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# File 'lib/reth/db_service.rb', line 45

def commit
  @db_service.async.commit
end

#commit_refcount_changes(epoch) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 75

def commit_refcount_changes(epoch)
  # do nothing
end

#db ⇒ Object 



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# File 'lib/reth/db_service.rb', line 28

def db
  @db_service.db
end

#dec_refcount(k) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 67

def dec_refcount(k)
  # do nothing
end

#delete(k) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 49

def delete(k)
  @db_service.async.delete(k)
end

#get(k) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 32

def get(k)
  ivar = @db_service.await.get(k)
  if ivar.rejected?
    raise ivar.reason
  else
    ivar.value
  end
end

#inc_refcount(k, v) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 63

def inc_refcount(k, v)
  put(k, v)
end

#include?(k) ⇒ Boolean Also known as: has_key?

Returns:

  • (Boolean) 


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# File 'lib/reth/db_service.rb', line 53

def include?(k)
  ivar = @db_service.await.include?(k)
  if ivar.rejected?
    raise ivar.reason
  else
    ivar.value
  end
end

#put(k, v) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 41

def put(k, v)
  @db_service.async.put(k, v)
end

#put_temporarily(k, v) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 83

def put_temporarily(k, v)
  inc_refcount(k, v)
  dec_refcount(k)
end

#revert_refcount_changes(epoch) ⇒ Object 



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# File 'lib/reth/db_service.rb', line 71

def revert_refcount_changes(epoch)
  # do nothing
end

#start ⇒ Object 



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# File 'lib/reth/db_service.rb', line 20

def start
  @db_service.async.start
end

#stop ⇒ Object 



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# File 'lib/reth/db_service.rb', line 24

def stop
  @db_service.async.stop
end