2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.dmaap.dbcapi.database;
25 import com.att.eelf.configuration.EELFLogger;
26 import com.att.eelf.configuration.EELFManager;
29 public abstract class ConnWrapper<T, U> {
30 EELFLogger logger = EELFManager.getInstance().getLogger( ConnWrapper.class );
31 protected Connection c;
32 protected PreparedStatement ps;
33 protected ResultSet rs;
34 protected abstract T run(U u) throws Exception;
35 public T protect(ConnectionFactory cf, U u) {
38 return(attempt(cf, u, false));
39 } catch (SQLException sqle) {
40 logger.error("Error", sqle);
41 return(attempt(cf, u, true));
43 } catch (RuntimeException rte) {
45 } catch (Exception e) {
46 throw new DBException(e);
49 private T attempt(ConnectionFactory cf, U u, boolean fresh) throws Exception {
63 } catch (Exception e) {
64 logger.error("Error", e);
70 } catch (Exception e) {
71 logger.error("Error", e);
77 } catch (Exception e) {
78 logger.error("Error", e);