Database

Represents a database in the benchmark test application.

Methods
static Database	parse(Database.DatabaseTest test, int id, String dbString, int threadCount) Parse a database configuration and create a database object from it.
static Database	parse(Database.DatabaseTest test, int id, String dbString, int threadCount) Parse a database configuration and create a database object from it. Parameters: test - the test application id - the database id dbString - the configuration string threadCount - the number of threads to use Returns: a new database object with the given settings
void	closeConnection() Close the database connection.
void	closeConnection() throws SQLException Close the database connection.
void	commit() Commit a transaction.
void	commit() throws SQLException Commit a transaction.
void	dropTable(String table) Drop a table.
void	dropTable(String table) Drop a table. Errors are ignored. Parameters: table - the table name
void	end() This method is called when the test run ends.
void	end() This method is called when the test run ends. This will stop collecting data.
int	getExecutedStatements() Get the number of executed statements.
int	getExecutedStatements() Get the number of executed statements. Returns: the number of statements
int	getId() Get the database id.
int	getId() Get the database id. Returns: the id
String	getName() Get the database name.
String	getName() Get the database name. Returns: the database name
Random	getRandom() Get the random number generator.
Random	getRandom() Get the random number generator. Returns: the generator
ArrayList	getResults() Get the result array.
ArrayList	getResults() Get the result array. Returns: the result array
int	getThreadsCount()
int	getThreadsCount()
int	getTotalGCTime() Get the total measured GC time.
int	getTotalGCTime() Get the total measured GC time. Returns: the time in milliseconds
int	getTotalTime() Get the total measured time.
int	getTotalTime() Get the total measured time. Returns: the time
void	log(String action, String scale, int value) If data collection is enabled, add this information to the log.
void	log(String action, String scale, int value) If data collection is enabled, add this information to the log. Parameters: action - the action scale - the scale value - the value
void	logMemory(Bench bench, String action) If data collection is enabled, add the currently used memory size to the log.
void	logMemory(Bench bench, String action) If data collection is enabled, add the currently used memory size to the log. Parameters: bench - the benchmark action - the action
void	openConnection() Open the database connection.
void	openConnection() throws SQLException Open the database connection.
Connection	openNewConnection() Open a new database connection.
Connection	openNewConnection() throws SQLException Open a new database connection. This connection must be closed by calling conn.close(). Returns: the opened connection
PreparedStatement	prepare(String sql) Prepare a SQL statement.
PreparedStatement	prepare(String sql) throws SQLException Prepare a SQL statement. Parameters: sql - the SQL statement Returns: the prepared statement
ResultSet	query(PreparedStatement prep) Execute a query.
ResultSet	query(PreparedStatement prep) throws SQLException Execute a query. Parameters: prep - the prepared statement Returns: the result set
void	queryReadResult(PreparedStatement prep) Execute a query and read all rows.
void	queryReadResult(PreparedStatement prep) throws SQLException Execute a query and read all rows. Parameters: prep - the prepared statement
void	rollback() Roll a transaction back.
void	rollback() throws SQLException Roll a transaction back.
void	setAutoCommit(boolean b) Enable or disable auto-commit.
void	setAutoCommit(boolean b) throws SQLException Enable or disable auto-commit. Parameters: b - false to disable
void	setTranslations(Properties prop) Initialize the SQL statement translation of this database.
void	setTranslations(Properties prop) Initialize the SQL statement translation of this database. Parameters: prop - the properties with the translations to use
void	start(Bench bench, String action) Start the benchmark.
void	start(Bench bench, String action) Start the benchmark. Parameters: bench - the benchmark action - the action
void	startServer() Start the server if the this is a remote connection.
void	startServer() throws Exception Start the server if the this is a remote connection.
void	stopServer() Stop the server if this is a remote connection.
void	stopServer() throws Exception Stop the server if this is a remote connection.
void	trace(String action, int i, int max) Print trace information if trace is enabled.
void	trace(String action, int i, int max) Print trace information if trace is enabled. Parameters: action - the action i - the current value max - the maximum value
void	update(PreparedStatement prep, String traceMessage) Execute an SQL statement.
void	update(PreparedStatement prep, String traceMessage) throws SQLException Execute an SQL statement. Parameters: prep - the prepared statement traceMessage - the trace message
void	update(String sql) Execute an SQL statement.
void	update(String sql) throws SQLException Execute an SQL statement. Parameters: sql - the SQL statement