Package com.djrapitops.plan.storage.database

Class DBAccessLock

java.lang.Object

com.djrapitops.plan.storage.database.DBAccessLock

public class DBAccessLock
extends Object

Database Lock that prevents queries and transactions from taking place before database schema is ready.

- OperationCriticalTransactions pass through the Access lock without blocking to allow the initial transactions. - Queries inside Transactions skip access log to allow OperationCriticalTransactions perform queries.

Constructor Summary

Constructors

Constructor	Description
DBAccessLock(Database database)

Method Summary

Modifier and Type	Method	Description
void	operabilityChanged()
<T, E extends Exception> T	performDatabaseOperation(ThrowingSupplier<T,E> operation)
<T, E extends Exception> T	performDatabaseOperation(ThrowingSupplier<T,E> operation, Transaction transaction)
<E extends Exception> void	performDatabaseOperation(ThrowingVoidFunction<E> operation)
<E extends Exception> void	performDatabaseOperation(ThrowingVoidFunction<E> operation, Transaction transaction)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DBAccessLock

public DBAccessLock(Database database)

Method Details

operabilityChanged

public void operabilityChanged()

performDatabaseOperation

public <E extends Exception> void performDatabaseOperation(ThrowingVoidFunction<E> operation)
                                                    throws E

Throws:

E extends Exception

performDatabaseOperation

public <E extends Exception> void performDatabaseOperation(ThrowingVoidFunction<E> operation,
 Transaction transaction)
                                                    throws E

Throws:

E extends Exception

performDatabaseOperation

public <T,
E extends Exception> T performDatabaseOperation(ThrowingSupplier<T,E> operation)
                                                   throws E

Throws:

E extends Exception

performDatabaseOperation

public <T,
E extends Exception> T performDatabaseOperation(ThrowingSupplier<T,E> operation,
 Transaction transaction)
                                                   throws E

Throws:

E extends Exception