OrderTest xref

    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18  package org.codehaus.activemq.store.bdb;
    19
    20  import com.sleepycat.je.*;
    21  import junit.framework.TestCase;
    22
    23  /***
    24   * @version $Revision: 1.2 $
    25   */
    26  public class OrderTest extends TestCase {
    27      protected Environment env;
    28      protected Database database;
    29      protected TransactionConfig transactionConfig = new TransactionConfig();
    30      protected DatabaseConfig config = BDbHelper.createDatabaseConfig();
    31      protected SecondaryCursor cursor;
    32      protected Transaction transaction;
    33      protected SecondaryDatabase secondaryDatabase;
    34      protected SecondaryConfig secondaryConfig = new SecondaryConfig();
    35
    36
    37      public void testOrder() throws Exception {
    38          doInsert("B", "b123");
    39          doInsert("D", "d123");
    40          doInsert("A", "a123");
    41          doInsert("C", "c123");
    42
    43          // now lets iterate through
    44          DatabaseEntry keyEntry = new DatabaseEntry();
    45          DatabaseEntry valueEntry = new DatabaseEntry();
    46          DatabaseEntry counterEntry = new DatabaseEntry();
    47          assertStatusOK(cursor.getFirst(counterEntry, keyEntry, valueEntry, LockMode.DEFAULT));
    48          printKeyValue(counterEntry, keyEntry, valueEntry);
    49          while (true) {
    50              OperationStatus status = cursor.getNext(counterEntry, keyEntry, valueEntry, LockMode.DEFAULT);
    51              System.out.println("Status: " + status);
    52
    53              if (status != OperationStatus.SUCCESS) {
    54                  break;
    55              }
    56              printKeyValue(counterEntry, keyEntry, valueEntry);
    57          }
    58      }
    59
    60      private void printKeyValue(DatabaseEntry counterEntry, DatabaseEntry keyEntry, DatabaseEntry valueEntry) {
    61          System.out.println("Got row with counter: " + BDbHelper.longFromBytes(counterEntry.getData())
    62                  + " key: " + asString(keyEntry) + " and value: " + asString(valueEntry));
    63      }
    64
    65
    66      protected void doInsert(String key, String value) throws DatabaseException {
    67          assertStatusOK(database.put(transaction, asEntry(key), asEntry(value)));
    68      }
    69
    70      protected void assertStatusOK(OperationStatus status) {
    71          assertEquals("Status should be OK", OperationStatus.SUCCESS, status);
    72      }
    73
    74      protected DatabaseEntry asEntry(String key) {
    75          return new DatabaseEntry(key.getBytes());
    76      }
    77
    78      protected String asString(DatabaseEntry entry) {
    79          return new String(entry.getData(), entry.getOffset(), entry.getSize());
    80      }
    81
    82      protected void setUp() throws Exception {
    83          env = BDbQueueMessageContainerTest.createEnvironment();
    84
    85          database = env.openDatabase(null, "orderTest", config);
    86
    87          secondaryConfig.setKeyCreator(new StubSecondaryKeyGenerator());
    88          secondaryConfig.setAllowCreate(true);
    89          secondaryConfig.setAllowPopulate(true);
    90          secondaryConfig.setTransactional(true);
    91          secondaryDatabase = env.openSecondaryDatabase(null, "orderIndexTest", database, secondaryConfig);
    92
    93          transaction = env.beginTransaction(null, null);
    94          cursor = secondaryDatabase.openSecondaryCursor(transaction, null);
    95      }
    96
    97      protected void tearDown() throws Exception {
    98          /*
    99          transaction.commit();
    100         cursor.close();
    101         database.close();
    102         env.close();
    103         */
    104     }
    105
    106 }