org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/internal/tmf/core/statesystem/backends/historytree/HTConfig.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 Ericsson
   3  * Copyright (c) 2010, 2011 École Polytechnique de Montréal
   4  * Copyright (c) 2010, 2011 Alexandre Montplaisir <alexandre.montplaisir@gmail.com>
   5  *
   6  * All rights reserved. This program and the accompanying materials are
   7  * made available under the terms of the Eclipse Public License v1.0 which
   8  * accompanies this distribution, and is available at
   9  * http://www.eclipse.org/legal/epl-v10.html
  10  *
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.tmf.core.statesystem.backends.historytree;
  14
  15 import java.io.File;
  16
  17 /**
  18  * Configuration object for a StateHistoryTree.
  19  *
  20  * @author alexmont
  21  */
  22 final class HTConfig {
  23
  24     private static final int DEFAULT_BLOCKSIZE = 64 * 1024;
  25     private static final int DEFAULT_MAXCHILDREN = 50;
  26
  27     private final File stateFile;
  28     private final int blockSize;
  29     private final int maxChildren;
  30     private final int providerVersion;
  31     private final long treeStart;
  32
  33     HTConfig(File newStateFile, int blockSize, int maxChildren,
  34             int providerVersion, long startTime) {
  35         this.stateFile = newStateFile;
  36         this.blockSize = blockSize;
  37         this.maxChildren = maxChildren;
  38         this.providerVersion = providerVersion;
  39         this.treeStart = startTime;
  40     }
  41
  42     /**
  43      * Version using default values for blocksize and maxchildren
  44      *
  45      * @param stateFileName
  46      * @param startTime
  47      */
  48     HTConfig(File newStateFile, int providerVersion, long startTime) {
  49         this(newStateFile, DEFAULT_BLOCKSIZE, DEFAULT_MAXCHILDREN, providerVersion, startTime);
  50     }
  51
  52     // ------------------------------------------------------------------------
  53     // Getters
  54     // ------------------------------------------------------------------------
  55
  56     public File getStateFile() {
  57         return stateFile;
  58     }
  59
  60     public int getBlockSize() {
  61         return blockSize;
  62     }
  63
  64     public int getMaxChildren() {
  65         return maxChildren;
  66     }
  67
  68     public int getProviderVersion() {
  69         return providerVersion;
  70     }
  71
  72     public long getTreeStart() {
  73         return treeStart;
  74     }
  75 }