Java Code Examples for me.prettyprint.hector.api.beans.HColumn#getValue()

/**
 * Checks if the role is existing the role store.
 */
@Override
protected boolean doCheckExistingRole(String roleNameWithTenantDomain) throws UserStoreException {

    RoleContext roleContext = createRoleContext(roleNameWithTenantDomain);
    boolean isExisting = false;

    String roleName = roleContext.getRoleName();

    Composite key = new Composite();
    key.addComponent(roleName, stringSerializer);
    key.addComponent(tenantIdString, stringSerializer);

    ColumnQuery<Composite, String, String> getCredentialQuery = HFactory.createColumnQuery(keyspace,
            CompositeSerializer.get(), stringSerializer, stringSerializer);

    getCredentialQuery.setColumnFamily(CFConstants.UM_ROLES).setKey(key).setName(CFConstants.UM_ROLE_NAME);

    HColumn<String, String> result = getCredentialQuery.execute().get();
    if (result != null && result.getValue() != null) {
        isExisting = true;
    }

    return isExisting;
}
 

/**
 * Checks if the user is existing in the user store.
 */
@Override
protected boolean doCheckExistingUser(String userName) throws UserStoreException {

    Boolean isExist = false;

    Composite key = new Composite();
    key.addComponent(userName, stringSerializer);
    key.addComponent(tenantIdString, stringSerializer);

    ColumnQuery<Composite, String, String> getCredentialQuery = HFactory.createColumnQuery(keyspace,
            CompositeSerializer.get(), stringSerializer, stringSerializer);

    getCredentialQuery.setColumnFamily(CFConstants.UM_USER).setKey(key).setName(CFConstants.UM_USER_NAME);

    HColumn<String, String> result = getCredentialQuery.execute().get();
    if (result != null && result.getValue() != null) {
        isExist = true;
    }

    return isExist;

}
 

@Override
public V get(final K key) throws DataAccessLayerException {

	final ColumnQuery<K, byte[], V> q = createColumnQuery(_keyspace, _serializer_k, BYTE_SERIALIZER, _serializer_v);
	final QueryResult<HColumn<byte[], V>> r = q.setKey(key).setName(COLUMN_NAME).setColumnFamily(_cf_name).execute();
	final HColumn<byte[], V> c = r.get();

	if (c == null) {
		return (_default_value != null) ? _default_value : null;
	} else {
		return c.getValue();
	}
}
 

public static String getStringValue( ColumnSlice<String, String> columnSlice, String columnName )
{
    if ( StringUtils.isEmpty( columnName ) )
    {
        return null;
    }

    HColumn<String, String> hColumn = columnSlice.getColumnByName( columnName );
    return hColumn == null ? null : hColumn.getValue();
}
 

public static Long getLongValue( ColumnSlice<String, Long> columnSlice, String columnName )
{
    if ( StringUtils.isEmpty( columnName ) )
    {
        return null;
    }

    HColumn<String, Long> hColumn = columnSlice.getColumnByName( columnName );
    return hColumn == null ? null : hColumn.getValue();
}
 

/**
 * Get the position in the queue for the given appId, consumer and queu
 *
 * @param queueId The queueId
 * @param consumerId The consumerId
 */
public UUID getConsumerQueuePosition( UUID queueId, UUID consumerId ) {
    HColumn<UUID, UUID> result =
            HFactory.createColumnQuery( ko, ue, ue, ue ).setKey( consumerId ).setName( queueId )
                    .setColumnFamily( CONSUMERS.getColumnFamily() ).execute().get();
    if ( result != null ) {
        return result.getValue();
    }

    return null;
}
 

public static String getExistingUserId(String credentialTypeName, String identifier, Keyspace keyspace) {

        identifier = createRowKeyForReverseLookup(identifier, credentialTypeName);
        ColumnQuery<String, String, String> usernameIndexQuery = HFactory.createColumnQuery(keyspace, stringSerializer,
                stringSerializer, stringSerializer);

        usernameIndexQuery.setColumnFamily(CFConstants.USERNAME_INDEX).setKey(identifier).setName(CFConstants.USER_ID);

        QueryResult<HColumn<String, String>> result = usernameIndexQuery.execute();

        HColumn<String, String> userIdCol = result.get();

        if (userIdCol == null) {
            return null;
        }

        return userIdCol.getValue();
    }
 

public static String getExistingUserId(String credentialTypeName, String identifier, Keyspace keyspace) {

        identifier = createRowKeyForReverseLookup(identifier, credentialTypeName);
        ColumnQuery<String, String, String> usernameIndexQuery = HFactory.createColumnQuery(keyspace, stringSerializer,
                stringSerializer, stringSerializer);

        usernameIndexQuery.setColumnFamily(CFConstants.USERNAME_INDEX).setKey(identifier).setName(CFConstants.USER_ID);

        QueryResult<HColumn<String, String>> result = usernameIndexQuery.execute();

        HColumn<String, String> userIdCol = result.get();

        if (userIdCol == null) {
            return null;
        }

        return userIdCol.getValue();
    }
 

/**
 * Renew the existing transaction. Does so by deleting the exiting timeout, and replacing it with a new value
 *
 * @param queuePath The queue path
 * @param transactionId The transaction id
 * @param query The query params
 *
 * @return The new transaction uuid
 */
public UUID renewTransaction( String queuePath, UUID transactionId, QueueQuery query )
        throws TransactionNotFoundException
{
    long now = System.currentTimeMillis();

    if ( query == null )
    {
        query = new QueueQuery();
    }

    UUID queueId = getQueueId( queuePath );
    UUID consumerId = getConsumerId( queueId, query );
    ByteBuffer key = getQueueClientTransactionKey( queueId, consumerId );

    // read the original transaction, if it's not there, then we can't possibly
    // extend it
    SliceQuery<ByteBuffer, UUID, UUID> q = createSliceQuery( ko, be, ue, ue );
    q.setColumnFamily( CONSUMER_QUEUE_TIMEOUTS.getColumnFamily() );
    q.setKey( key );
    q.setColumnNames( transactionId );

    HColumn<UUID, UUID> col = q.execute().get().getColumnByName( transactionId );

    if ( col == null )
    {
        throw new TransactionNotFoundException(
                String.format( "No transaction with id %s exists", transactionId ) );
    }

    UUID origTrans = col.getName();
    UUID messageId = col.getValue();

    // Generate a new expiration and insert it
    UUID expirationId = UUIDUtils.newTimeUUID( now + query.getTimeout() );

    if (logger.isTraceEnabled()) {
        logger.trace("Writing new timeout at '{}' for message '{}'", expirationId, messageId);
    }


    Mutator<ByteBuffer> mutator = CountingMutator.createFlushingMutator( ko, be );

    mutator.addInsertion( key, CONSUMER_QUEUE_TIMEOUTS.getColumnFamily(),
            createColumn( expirationId, messageId, cass.createTimestamp(), ue, ue ) );

    mutator.execute();

    // now delete the old value
    deleteTransaction( queueId, consumerId, origTrans );

    return expirationId;
}