projects / deliverable / tracecompass.git / blame
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1 | /******************************************************************************* |
| 2 | * Copyright (c) 2016 École Polytechnique de Montréal | |
| 3 | * | |
| 4 | * All rights reserved. This program and the accompanying materials are | |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which | |
| 6 | * accompanies this distribution, and is available at | |
| 7 | * http://www.eclipse.org/legal/epl-v10.html | |
| 8 | *******************************************************************************/ | |
| 9 | ||
| 10 | package org.eclipse.tracecompass.statesystem.core.tests.stubs.backend; | |
| 11 | ||
| 12 | import java.io.File; | |
| 13 | import java.io.IOException; | |
| 14 | ||
| 15 | import org.eclipse.tracecompass.internal.statesystem.core.backend.historytree.HTConfig; | |
| 16 | import org.eclipse.tracecompass.internal.statesystem.core.backend.historytree.HistoryTree; | |
| 17 | import org.eclipse.tracecompass.internal.statesystem.core.backend.historytree.HistoryTreeBackend; | |
| 18 | ||
| 19 | /** | |
| 20 | * Stub class for the {@link HistoryTreeBackend}. It creates a | |
| 21 | * {@link HistoryTreeStub} to grant access to some protected methods. | |
| 22 | * | |
| 23 | * @author Geneviève Bastien | |
| 24 | */ | |
| 25 | public class HistoryTreeBackendStub extends HistoryTreeBackend { | |
| 26 | ||
| 27 | /** | |
| 28 | * Constructor for new history files. Use this when creating a new history | |
| 29 | * from scratch. | |
| 30 | * | |
| 31 | * @param ssid | |
| 32 | * The state system's ID | |
| 33 | * @param newStateFile | |
| 34 | * The filename/location where to store the state history (Should | |
| 35 | * end in .ht) | |
| 36 | * @param providerVersion | |
| 37 | * Version of of the state provider. We will only try to reopen | |
| 38 | * existing files if this version matches the one in the | |
| 39 | * framework. | |
| 40 | * @param startTime | |
| 41 | * The earliest time stamp that will be stored in the history | |
| 42 | * @param blockSize | |
| 43 | * The size of the blocks in the history file. This should be a | |
| 44 | * multiple of 4096. | |
| 45 | * @param maxChildren | |
| 46 | * The maximum number of children each core node can have | |
| 47 | * @throws IOException | |
| 48 | * Thrown if we can't create the file for some reason | |
| 49 | */ | |
| 50 | public HistoryTreeBackendStub(String ssid, | |
| 51 | File newStateFile, | |
| 52 | int providerVersion, | |
| 53 | long startTime, | |
| 54 | int blockSize, | |
| 55 | int maxChildren) throws IOException { | |
| 56 | super(ssid, newStateFile, providerVersion, startTime, blockSize, maxChildren); | |
| 57 | } | |
| 58 | ||
| 59 | /** | |
| 60 | * Existing history constructor. Use this to open an existing state-file. | |
| 61 | * | |
| 62 | * @param ssid | |
| 63 | * The state system's id | |
| 64 | * @param existingStateFile | |
| 65 | * Filename/location of the history we want to load | |
| 66 | * @param providerVersion | |
| 67 | * Expected version of of the state provider plugin. | |
| 68 | * @throws IOException | |
| 69 | * If we can't read the file, if it doesn't exist, is not | |
| 70 | * recognized, or if the version of the file does not match the | |
| 71 | * expected providerVersion. | |
| 72 | */ | |
| 73 | public HistoryTreeBackendStub(String ssid, File existingStateFile, int providerVersion) | |
| 74 | throws IOException { | |
| 75 | super(ssid, existingStateFile, providerVersion); | |
| 76 | } | |
| 77 | ||
| 78 | @Override | |
| 79 | protected HistoryTree initializeSHT(HTConfig conf) throws IOException { | |
| 80 | return new HistoryTreeStub(conf); | |
| 81 | } | |
| 82 | ||
| 83 | @Override | |
| 84 | protected HistoryTree initializeSHT(File existingStateFile, int providerVersion) throws IOException { | |
| 85 | return new HistoryTreeStub(existingStateFile, providerVersion); | |
| 86 | } | |
| 87 | ||
| 88 | } |