Module: Neo4j::Transaction::Instance

Included in:
Embedded::EmbeddedTransaction, Server::CypherTransaction
Defined in:
lib/neo4j/transaction.rb

Instance Method Summary collapse

Instance Method Details

#acquire_read_lock(entity) ⇒ Java::OrgNeo4jKernelImplCoreapi::PropertyContainerLocker

Only for the embedded neo4j ! Acquires a read lock for entity for this transaction. See neo4j java docs.

Parameters:

Returns:

  • (Java::OrgNeo4jKernelImplCoreapi::PropertyContainerLocker) 


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# File 'lib/neo4j/transaction.rb', line 39

def acquire_read_lock(entity)
end

#acquire_write_lock(entity) ⇒ Java::OrgNeo4jKernelImplCoreapi::PropertyContainerLocker

Only for the embedded neo4j ! Acquires a write lock for entity for this transaction. See neo4j java docs.

Parameters:

Returns:

  • (Java::OrgNeo4jKernelImplCoreapi::PropertyContainerLocker) 


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# File 'lib/neo4j/transaction.rb', line 47

def acquire_write_lock(entity)
end

#close ⇒ Object

Commits or marks this transaction for rollback, depending on whether failure() has been previously invoked.



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# File 'lib/neo4j/transaction.rb', line 51

def close
  pop_nested!
  return if @pushed_nested >= 0
  raise "Can't commit transaction, already committed" if (@pushed_nested < -1)
  Neo4j::Transaction.unregister(self)
  if failure?
    _delete_tx
  else
    _commit_tx
  end
end

#failure ⇒ Object Also known as: fail

Marks this transaction as failed, which means that it will unconditionally be rolled back when close() is called.



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# File 'lib/neo4j/transaction.rb', line 14

def failure
  @failure = true
end

#failure? ⇒ Boolean

If it has been marked as failed

Returns:

  • (Boolean) 


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# File 'lib/neo4j/transaction.rb', line 20

def failure?
  !!@failure
end

#pop_nested! ⇒ Object 



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# File 'lib/neo4j/transaction.rb', line 30

def pop_nested!
  @pushed_nested -= 1
end

#push_nested! ⇒ Object 



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# File 'lib/neo4j/transaction.rb', line 25

def push_nested!
  @pushed_nested += 1
end

#register_instance ⇒ Object 



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# File 'lib/neo4j/transaction.rb', line 8

def register_instance
  @pushed_nested = 0
  Neo4j::Transaction.register(self)
end