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.Loader;
33 import org.onap.aaf.auth.env.AuthzTrans;
34 import org.onap.aaf.auth.layer.Result;
36 import com.datastax.driver.core.Cluster;
37 import com.datastax.driver.core.ResultSet;
38 import com.datastax.driver.core.Row;
41 * FutureDAO stores Construction information to create
42 * elements at another time.
47 public class FutureDAO extends CassDAOImpl<AuthzTrans,FutureDAO.Data> {
48 private static final String TABLE = "future";
49 private final HistoryDAO historyDAO;
50 private PSInfo psByStartAndTarget;
51 public static final int KEYLIMIT = 1;
53 public FutureDAO(AuthzTrans trans, Cluster cluster, String keyspace) {
54 super(trans, FutureDAO.class.getSimpleName(),cluster, keyspace, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
55 historyDAO = new HistoryDAO(trans, this);
59 public FutureDAO(AuthzTrans trans, HistoryDAO hDAO) {
60 super(trans, FutureDAO.class.getSimpleName(),hDAO, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
66 public static class Data {
72 public ByteBuffer construct; // this is a blob in cassandra
75 private static class FLoader extends Loader<Data> {
80 public FLoader(int keylimit) {
85 public Data load(Data data, Row row) {
86 data.id = row.getUUID(0);
87 data.target = row.getString(1);
88 data.memo = row.getString(2);
89 data.start = row.getTimestamp(3);
90 data.expires = row.getTimestamp(4);
91 data.construct = row.getBytes(5);
96 protected void key(Data data, int idx, Object[] obj) {
101 protected void body(Data data, int _idx, Object[] obj) {
104 obj[idx] = data.target;
105 obj[++idx] = data.memo;
106 obj[++idx] = data.start;
107 obj[++idx] = data.expires;
108 obj[++idx] = data.construct;
112 private void init(AuthzTrans trans) {
114 String[] helpers = setCRUD(trans, TABLE, Data.class, new FLoader(KEYLIMIT));
116 // Other SELECT style statements... match with a local Method
117 psByStartAndTarget = new PSInfo(trans, SELECT_SP + helpers[FIELD_COMMAS] +
118 " FROM future WHERE start <= ? and target = ? ALLOW FILTERING", new FLoader(2) {
120 protected void key(Data data, int _idx, Object[] obj) {
124 obj[++idx]=data.target;
129 public Result<List<Data>> readByStartAndTarget(AuthzTrans trans, Date start, String target) {
130 return psByStartAndTarget.read(trans, R_TEXT, new Object[]{start, target});
134 * Override create to add secondary ID to Subject in History, and create Data.ID, if it is null
136 public Result<FutureDAO.Data> create(AuthzTrans trans, FutureDAO.Data data, String id) {
137 // If ID is not set (typical), create one.
139 StringBuilder sb = new StringBuilder(trans.user());
140 sb.append(data.target);
141 sb.append(System.currentTimeMillis());
142 data.id = UUID.nameUUIDFromBytes(sb.toString().getBytes());
144 Result<ResultSet> rs = createPS.exec(trans, C_TEXT, data);
146 return Result.err(rs);
148 wasModified(trans, CRUD.create, data, null, id);
149 return Result.ok(data);
153 * Log Modification statements to History
155 * @param modified which CRUD action was done
156 * @param data entity data that needs a log entry
157 * @param overrideMessage if this is specified, we use it rather than crafting a history message based on data
160 protected void wasModified(AuthzTrans trans, CRUD modified, Data data, String ... override) {
161 boolean memo = override.length>0 && override[0]!=null;
162 boolean subject = override.length>1 && override[1]!=null;
163 HistoryDAO.Data hd = HistoryDAO.newInitedData();
164 hd.user = trans.user();
165 hd.action = modified.name();
167 hd.subject = subject?override[1]:"";
168 hd.memo = memo?String.format("%s by %s", override[0], hd.user):data.memo;
170 if (historyDAO.create(trans, hd).status!=Status.OK) {
171 trans.error().log("Cannot log to History");