Examples with ResultIterator org.skife.jdbi.v2.ResultIterator used on opensource projects

Example 1 with ResultIterator

use of org.skife.jdbi.v2.ResultIterator in project killbill by killbill.

the class DatabaseExportDao method exportDataForAccountAndTable.

private void exportDataForAccountAndTable(final DatabaseExportOutputStream out, final List<ColumnInfo> columnsForTable, final InternalTenantContext context) {
    TableType tableType = TableType.OTHER;
    final String tableName = columnsForTable.get(0).getTableName();
    if (TableName.ACCOUNT.getTableName().equals(tableName)) {
        tableType = TableType.KB_ACCOUNT;
    } else if (TableName.ACCOUNT_HISTORY.getTableName().equals(tableName)) {
        tableType = TableType.KB_ACCOUNT_HISTORY;
    }
    boolean firstColumn = true;
    final StringBuilder queryBuilder = new StringBuilder("select ");
    for (final ColumnInfo column : columnsForTable) {
        if (!firstColumn) {
            queryBuilder.append(", ");
        } else {
            firstColumn = false;
        }
        queryBuilder.append(column.getColumnName());
        if (tableType == TableType.OTHER) {
            if (column.getColumnName().equals(TableType.KB_PER_ACCOUNT.getAccountRecordIdColumnName())) {
                tableType = TableType.KB_PER_ACCOUNT;
            } else if (column.getColumnName().equals(TableType.NOTIFICATION.getAccountRecordIdColumnName())) {
                tableType = TableType.NOTIFICATION;
            }
        }
    }
    // Don't export non-account specific tables
    if (tableType == TableType.OTHER) {
        return;
    }
    // Build the query - make sure to filter by account and tenant!
    queryBuilder.append(" from ").append(tableName).append(" where ").append(tableType.getAccountRecordIdColumnName()).append(" = :accountRecordId and ").append(tableType.getTenantRecordIdColumnName()).append("  = :tenantRecordId");
    // Notify the stream that we're about to write data for a different table
    out.newTable(tableName, columnsForTable);
    dbi.withHandle(new HandleCallback<Void>() {

        @Override
        public Void withHandle(final Handle handle) throws Exception {
            final ResultIterator<Map<String, Object>> iterator = handle.createQuery(queryBuilder.toString()).bind("accountRecordId", context.getAccountRecordId()).bind("tenantRecordId", context.getTenantRecordId()).iterator();
            try {
                while (iterator.hasNext()) {
                    final Map<String, Object> row = iterator.next();
                    out.write(row);
                }
            } finally {
                iterator.close();
            }
            return null;
        }
    });
}