Examples with BackendConnection com.torodb.core.backend.BackendConnection used on opensource projects

Example 1 with BackendConnection

use of com.torodb.core.backend.BackendConnection in project torodb by torodb.

the class DefaultConsistencyHandler method loadConsistent.

private void loadConsistent() {
    try (BackendConnection conn = backendService.openConnection();
        BackendTransaction trans = conn.openReadOnlyTransaction()) {
        Optional<KvValue<?>> valueOpt = trans.readMetaInfo(CONSISTENCY_KEY);
        if (!valueOpt.isPresent()) {
            consistent = false;
            return;
        }
        KvValue<?> value = valueOpt.get();
        if (!value.getType().equals(BooleanType.INSTANCE)) {
            throw new IllegalStateException("Unexpected consistency value " + "found. Expected a boolean but " + valueOpt + " was " + "found");
        }
        consistent = ((KvBoolean) value).getPrimitiveValue();
    }
}

Example 2 with BackendConnection

use of com.torodb.core.backend.BackendConnection in project torodb by torodb.

the class StampedeService method dropDatabase.

private void dropDatabase(BackendService backendService) throws UserException {
    try (BackendConnection conn = backendService.openConnection();
        ExclusiveWriteBackendTransaction trans = conn.openExclusiveWriteTransaction()) {
        trans.dropUserData();
        trans.commit();
    }
}

Example 3 with BackendConnection

use of com.torodb.core.backend.BackendConnection in project torodb by torodb.

the class BackendBundleImpl method postDependenciesStartUp.

@Override
protected void postDependenciesStartUp() throws Exception {
    lowLevelService.startAsync();
    lowLevelService.awaitRunning();
    backendService.startAsync();
    backendService.awaitRunning();
    try (BackendConnection conn = backendService.openConnection();
        ExclusiveWriteBackendTransaction trans = conn.openExclusiveWriteTransaction()) {
        trans.checkOrCreateMetaDataTables();
        trans.commit();
    }
}