leveldb::DBConstructor Class Reference

Inheritance diagram for leveldb::DBConstructor:

Collaboration diagram for leveldb::DBConstructor:

Public Member Functions
	DBConstructor (const Comparator *cmp)
	~DBConstructor ()
virtual Status	FinishImpl (const Options &options, const KVMap &data)
virtual Iterator *	NewIterator () const
virtual DB *	db () const
Public Member Functions inherited from leveldb::Constructor
	Constructor (const Comparator *cmp)
virtual	~Constructor ()
void	Add (const std::string &key, const Slice &value)
void	Finish (const Options &options, std::vector< std::string > *keys, KVMap *kvmap)
virtual const KVMap &	data ()

Private Member Functions
void	NewDB ()

Private Attributes
const Comparator *	comparator_
DB *	db_

Detailed Description

Definition at line 349 of file table_test.cc.

Constructor & Destructor Documentation

DBConstructor()

leveldb::DBConstructor::DBConstructor ( const Comparator *  cmp )

inlineexplicit

Definition at line 351 of file table_test.cc.

      : Constructor(cmp),
        comparator_(cmp) {
    db_ = NULL;
    NewDB();
  }

~DBConstructor()

leveldb::DBConstructor::~DBConstructor ( )

inline

Definition at line 357 of file table_test.cc.

                   {
    delete db_;
  }

Member Function Documentation

db()

virtual DB* leveldb::DBConstructor::db ( ) const

inlinevirtual

Reimplemented from leveldb::Constructor.

Definition at line 377 of file table_test.cc.

{ return db_; }

FinishImpl()

virtual Status leveldb::DBConstructor::FinishImpl ( const Options &  options, const KVMap &  data  )

inlinevirtual

Implements leveldb::Constructor.

Definition at line 360 of file table_test.cc.

                                                                       {
    delete db_;
    db_ = NULL;
    NewDB();
    for (KVMap::const_iterator it = data.begin();
         it != data.end();
         ++it) {
      WriteBatch batch;
      batch.Put(it->first, it->second);
      ASSERT_TRUE(db_->Write(WriteOptions(), &batch).ok());
    }
    return Status::OK();
  }

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NewDB()

void leveldb::DBConstructor::NewDB ( )

inlineprivate

Definition at line 380 of file table_test.cc.

               {
    std::string name = test::TmpDir() + "/table_testdb";

    Options options;
    options.comparator = comparator_;
    Status status = DestroyDB(name, options);
    ASSERT_TRUE(status.ok()) << status.ToString();

    options.create_if_missing = true;
    options.error_if_exists = true;
    options.write_buffer_size = 10000;  // Something small to force merging
    status = DB::Open(options, name, &db_);
    ASSERT_TRUE(status.ok()) << status.ToString();
  }

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NewIterator()

virtual Iterator* leveldb::DBConstructor::NewIterator ( ) const

inlinevirtual

Implements leveldb::Constructor.

Definition at line 373 of file table_test.cc.

                                        {
    return db_->NewIterator(ReadOptions());
  }

Member Data Documentation

comparator_

const Comparator* leveldb::DBConstructor::comparator_

private

Definition at line 395 of file table_test.cc.

db_

DB* leveldb::DBConstructor::db_

private

Definition at line 396 of file table_test.cc.

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The documentation for this class was generated from the following file:

• table/table_test.cc