protected long deltaExpiration;
public WorkspaceDescription(String name) {
super(name);
// initialize based on the values in the default preferences
IEclipsePreferences node = new DefaultScope().getNode(ResourcesPlugin.PI_RESOURCES);
autoBuilding = node.getBoolean(ResourcesPlugin.PREF_AUTO_BUILDING, PreferenceInitializer.PREF_AUTO_BUILDING_DEFAULT);
fileStateLongevity = node.getLong(ResourcesPlugin.PREF_FILE_STATE_LONGEVITY, PreferenceInitializer.PREF_FILE_STATE_LONGEVITY_DEFAULT);
maxBuildIterations = node.getInt(ResourcesPlugin.PREF_MAX_BUILD_ITERATIONS, PreferenceInitializer.PREF_MAX_BUILD_ITERATIONS_DEFAULT);
maxFileStates = node.getInt(ResourcesPlugin.PREF_MAX_FILE_STATES, PreferenceInitializer.PREF_MAX_FILE_STATES_DEFAULT);
maxFileStateSize = node.getLong(ResourcesPlugin.PREF_MAX_FILE_STATE_SIZE, PreferenceInitializer.PREF_MAX_FILE_STATE_SIZE_DEFAULT);