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    1   /**
    2    * Copyright (c) 2002-2011 "Neo Technology,"
    3    * Network Engine for Objects in Lund AB [http://neotechnology.com]
    4    *
    5    * This file is part of Neo4j.
    6    *
    7    * Neo4j is free software: you can redistribute it and/or modify
    8    * it under the terms of the GNU General Public License as published by
    9    * the Free Software Foundation, either version 3 of the License, or
    10   * (at your option) any later version.
    11   *
    12   * This program is distributed in the hope that it will be useful,
    13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15   * GNU General Public License for more details.
    16   *
    17   * You should have received a copy of the GNU General Public License
    18   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    19   */
    20  package org.neo4j.server.configuration;
    21
    22  import static org.neo4j.server.ServerTestUtils.createTempDir;
    23  import static org.neo4j.server.ServerTestUtils.writePropertyToFile;
    24
    25  import java.io.File;
    26  import java.io.IOException;
    27
    28  public class DatabaseTuningPropertyFileBuilder {
    29      private File parentDirectory = null;
    30      private String mappedMemory = null;
    31
    32      public static DatabaseTuningPropertyFileBuilder builder() {
    33          return new DatabaseTuningPropertyFileBuilder();
    34      }
    35
    36      private DatabaseTuningPropertyFileBuilder() {}
    37
    38      public File build() throws IOException {
    39          if(parentDirectory == null) {
    40              parentDirectory = createTempDir();
    41          }
    42
    43          File temporaryConfigFile = new File( parentDirectory, "neo4j.properties" );
    44
    45          if(mappedMemory == null) {
    46              writePropertyToFile("neostore.nodestore.db.mapped_memory", "25M", temporaryConfigFile);
    47          } else {
    48              writePropertyToFile("neostore.nodestore.db.mapped_memory", mappedMemory, temporaryConfigFile);
    49          }
    50          writePropertyToFile("neostore.relationshipstore.db.mapped_memory", "50M", temporaryConfigFile);
    51          writePropertyToFile("neostore.propertystore.db.mapped_memory", "90M", temporaryConfigFile);
    52          writePropertyToFile("neostore.propertystore.db.strings.mapped_memory", "130M", temporaryConfigFile);
    53          writePropertyToFile("neostore.propertystore.db.arrays.mapped_memory", "150M", temporaryConfigFile);
    54
    55          return temporaryConfigFile;
    56      }
    57
    58      public DatabaseTuningPropertyFileBuilder inDirectory(File parentDirectory) {
    59          this.parentDirectory = parentDirectory;
    60          return this;
    61      }
    62
    63      public DatabaseTuningPropertyFileBuilder mappedMemory(int i) {
    64          this.mappedMemory = String.valueOf(i) + "M";
    65          return this;
    66      }
    67
    68  }