2 * ============LICENSE_START====================================================
4 * ===========================================================================
5 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
6 * ===========================================================================
7 * Modifications Copyright (C) 2018 IBM.
8 * ==============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END====================================================
24 package org.onap.aaf.auth.dao.cass;
26 import java.nio.ByteBuffer;
27 import java.util.Date;
28 import java.util.List;
29 import java.util.UUID;
31 import org.onap.aaf.auth.dao.CassDAOImpl;
32 import org.onap.aaf.auth.dao.DAOException;
33 import org.onap.aaf.auth.dao.Loader;
34 import org.onap.aaf.auth.env.AuthzTrans;
35 import org.onap.aaf.auth.layer.Result;
37 import com.datastax.driver.core.Cluster;
38 import com.datastax.driver.core.ResultSet;
39 import com.datastax.driver.core.Row;
42 * FutureDAO stores Construction information to create
43 * elements at another time.
48 public class FutureDAO extends CassDAOImpl<AuthzTrans,FutureDAO.Data> {
49 private static final String TABLE = "future";
50 private final HistoryDAO historyDAO;
51 private PSInfo psByStartAndTarget;
52 public static final int KEYLIMIT = 1;
54 public FutureDAO(AuthzTrans trans, Cluster cluster, String keyspace) {
55 super(trans, FutureDAO.class.getSimpleName(),cluster, keyspace, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
56 historyDAO = new HistoryDAO(trans, this);
60 public FutureDAO(AuthzTrans trans, HistoryDAO hDAO) {
61 super(trans, FutureDAO.class.getSimpleName(),hDAO, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
67 public static class Data {
73 public ByteBuffer construct; // this is a blob in cassandra
76 private static class FLoader extends Loader<Data> {
81 public FLoader(int keylimit) {
86 public Data load(Data data, Row row) {
87 data.id = row.getUUID(0);
88 data.target = row.getString(1);
89 data.memo = row.getString(2);
90 data.start = row.getTimestamp(3);
91 data.expires = row.getTimestamp(4);
92 data.construct = row.getBytes(5);
97 protected void key(Data data, int idx, Object[] obj) {
102 protected void body(Data data, int _idx, Object[] obj) {
105 obj[idx] = data.target;
106 obj[++idx] = data.memo;
107 obj[++idx] = data.start;
108 obj[++idx] = data.expires;
109 obj[++idx] = data.construct;
113 private void init(AuthzTrans trans) {
115 String[] helpers = setCRUD(trans, TABLE, Data.class, new FLoader(KEYLIMIT));
117 // Other SELECT style statements... match with a local Method
118 psByStartAndTarget = new PSInfo(trans, SELECT_SP + helpers[FIELD_COMMAS] +
119 " FROM future WHERE start <= ? and target = ? ALLOW FILTERING", new FLoader(2) {
121 protected void key(Data data, int _idx, Object[] obj) {
125 obj[++idx]=data.target;
132 public Result<List<Data>> readByStartAndTarget(AuthzTrans trans, Date start, String target) {
133 return psByStartAndTarget.read(trans, R_TEXT, new Object[]{start, target});
137 * Override create to add secondary ID to Subject in History, and create Data.ID, if it is null
139 public Result<FutureDAO.Data> create(AuthzTrans trans, FutureDAO.Data data, String id) {
140 // If ID is not set (typical), create one.
142 StringBuilder sb = new StringBuilder(trans.user());
143 sb.append(data.target);
144 sb.append(System.currentTimeMillis());
145 data.id = UUID.nameUUIDFromBytes(sb.toString().getBytes());
147 Result<ResultSet> rs = createPS.exec(trans, C_TEXT, data);
149 return Result.err(rs);
151 wasModified(trans, CRUD.create, data, null, id);
152 return Result.ok(data);
156 * Log Modification statements to History
158 * @param modified which CRUD action was done
159 * @param data entity data that needs a log entry
160 * @param overrideMessage if this is specified, we use it rather than crafting a history message based on data
163 protected void wasModified(AuthzTrans trans, CRUD modified, Data data, String ... override) {
164 boolean memo = override.length>0 && override[0]!=null;
165 boolean subject = override.length>1 && override[1]!=null;
166 HistoryDAO.Data hd = HistoryDAO.newInitedData();
167 hd.user = trans.user();
168 hd.action = modified.name();
170 hd.subject = subject?override[1]:"";
171 hd.memo = memo?String.format("%s by %s", override[0], hd.user):data.memo;
173 if (historyDAO.create(trans, hd).status!=Status.OK) {
174 trans.error().log("Cannot log to History");