protected static <T extends Enum<T>> T parseEnum(
Class<T> enumClass, String name, T defaultValue, Pair<String, T>... additionalPairs) {
if (name == null) {
return defaultValue;
}
name = name.toLowerCase();
for (T enumConstant : enumClass.getEnumConstants()) {
if (enumConstant.name().equalsIgnoreCase(name)) {
return enumConstant;
}
}
for (T enumConstant : enumClass.getEnumConstants()) {
if (enumConstant.name().toLowerCase().startsWith(name)) {
return enumConstant;
}
}
for (Pair<String, T> additional : additionalPairs) {
if (additional.first().equalsIgnoreCase(name)) {
return additional.other();
}
}
for (Pair<String, T> additional : additionalPairs) {
if (additional.first().toLowerCase().startsWith(name)) {
return additional.other();
}
}
throw new IllegalArgumentException("No '" + name + "' or '" + name + ".*' in " + enumClass);
}
public static Object getStringFor(
AbstractDynamicStore store, long startRecord, Collection<DynamicRecord> dynamicRecords) {
Pair<byte[], byte[]> source =
readFullByteArray(startRecord, dynamicRecords, store, PropertyType.STRING);
// A string doesn't have a header in the data array
return getStringFor(source.other());
}
@Override
protected void doSomething() throws Throwable {
Pair<Integer, Node> pair = getNode(random, false);
Node node = pair.other();
node.setProperty(
randomPropertyKey(random), randomLongPropertyValue(random.nextInt(8) + 2, random));
}
@Override
protected void doSomething() throws Throwable {
Pair<Integer, Node> pair = getNode(random, true);
int index = pair.first();
Node node = pair.other();
node.delete();
setNode(index, db.createNode());
}
private String createParameterString(Pair<String, String>[] params) {
String paramString = "";
for (Pair<String, String> param : params) {
String delimiter = paramString.isEmpty() || paramString.endsWith("{") ? "" : ",";
paramString += delimiter + "\"" + param.first() + "\":\"" + param.other() + "\"";
}
return paramString;
}
protected String createParameterString(Pair<String, String>[] params) {
String paramString = "\"params\": {";
for (Pair<String, String> param : params) {
String delimiter = paramString.endsWith("{") ? "" : ",";
paramString += delimiter + "\"" + param.first() + "\":\"" + param.other() + "\"";
}
paramString += "}";
return paramString;
}
private void assertBitPackedArrayGetsCorrectlySerializedAndDeserialized(
Object array, PropertyType type, int expectedBitsUsedPerItem, int expectedRecordCount) {
Collection<DynamicRecord> records = storeArray(array);
Pair<byte[], byte[]> asBytes = loadArray(records);
assertArrayHeader(asBytes.first(), type, expectedBitsUsedPerItem);
Bits bits = Bits.bitsFromBytes(asBytes.other());
int length = Array.getLength(array);
for (int i = 0; i < length; i++)
assertEquals(
((Number) Array.get(array, i)).longValue(), bits.getLong(expectedBitsUsedPerItem));
}
@Test
public void stringArrayGetsStoredAsUtf8() throws Exception {
String[] array = new String[] {"first", "second"};
Collection<DynamicRecord> records = arrayStore.allocateRecords(arrayStore.nextBlockId(), array);
Pair<byte[], byte[]> loaded = loadArray(records);
assertStringHeader(loaded.first(), array.length);
ByteBuffer buffer = ByteBuffer.wrap(loaded.other());
for (String item : array) {
byte[] expectedData = UTF8.encode(item);
assertEquals(expectedData.length, buffer.getInt());
byte[] loadedItem = new byte[expectedData.length];
buffer.get(loadedItem);
assertTrue(Arrays.equals(expectedData, loadedItem));
}
}
@Override
public void startup(Pair<String, String> config) throws Throwable {
String storeDir = config.first();
String backupConfigValue = config.other();
if (backupConfigValue == null) {
this.db = new GraphDatabaseFactory().newEmbeddedDatabase(storeDir);
} else {
// TODO This is using the old config style - is this class even used anywhere!?
this.db =
new GraphDatabaseFactory()
.newEmbeddedDatabaseBuilder(storeDir)
.setConfig("enable_online_backup", backupConfigValue)
.newGraphDatabase();
}
}
PluginManager(Config serverConfig, Iterable<ServerPlugin> plugins, LogProvider logProvider) {
Map<String, Pair<ServerPlugin, ServerExtender>> extensions =
new HashMap<String, Pair<ServerPlugin, ServerExtender>>();
Log log = logProvider.getLog(getClass());
for (ServerPlugin plugin : plugins) {
PluginPointFactory factory = new PluginPointFactoryImpl();
final ServerExtender extender = new ServerExtender(factory);
try {
plugin.loadServerExtender(extender);
} catch (Exception ex) {
log.warn("Failed to load plugin [%s]: %s", plugin.toString(), ex.getMessage());
continue;
} catch (LinkageError err) {
log.warn("Failed to load plugin [%s]: %s", plugin.toString(), err.getMessage());
continue;
}
Pair<ServerPlugin, ServerExtender> old =
extensions.put(plugin.name, Pair.of(plugin, extender));
if (old != null) {
log.warn(
String.format(
"Extension naming conflict \"%s\" between \"%s\" and \"%s\"",
plugin.name, old.first().getClass(), plugin.getClass()));
}
}
for (Pair<ServerPlugin, ServerExtender> extension : extensions.values()) {
log.info(String.format("Loaded server plugin \"%s\"", extension.first().name));
for (PluginPoint point : extension.other().all()) {
log.info(
String.format(
" %s.%s: %s",
point.forType().getSimpleName(), point.name(), point.getDescription()));
}
this.extensions.put(extension.first().name, extension.other());
}
}
@Override
public void writeComplete(ChannelHandlerContext ctx, WriteCompletionEvent e) throws Exception {
/*
* This is here to ensure that channels that have stuff written to them for a long time, long transaction
* pulls and store copies (mainly the latter), will not timeout and have their transactions rolled back.
* This is actually not a problem, since both mentioned above have no transaction associated with them
* but it is more sanitary and leaves less exceptions in the logs
* Each time a write completes, simply update the corresponding channel's timestamp.
*/
Pair<RequestContext, AtomicLong> slave = connectedSlaveChannels.get(ctx.getChannel());
if (slave != null) {
slave.other().set(clock.currentTimeMillis());
super.writeComplete(ctx, e);
}
}
protected ChannelBuffer mapSlave(Channel channel, RequestContext slave) {
synchronized (connectedSlaveChannels) {
// Checking for machineId -1 excludes the "empty" slave contexts
// which some communication points pass in as context.
if (slave != null && slave.machineId() != RequestContext.EMPTY.machineId()) {
Pair<RequestContext, AtomicLong> previous = connectedSlaveChannels.get(channel);
if (previous != null) {
previous.other().set(System.currentTimeMillis());
} else {
connectedSlaveChannels.put(
channel, Pair.of(slave, new AtomicLong(System.currentTimeMillis())));
}
}
}
return ChannelBuffers.dynamicBuffer();
}
@POST
public Response exec(@Context InputFormat input, String data) {
Map<String, Object> args;
try {
args = input.readMap(data);
} catch (BadInputException e) {
return output.badRequest(e);
}
if (!args.containsKey("command")) {
return Response.status(Status.BAD_REQUEST)
.entity("Expected command argument not present.")
.build();
}
ScriptSession scriptSession;
try {
scriptSession = getSession(args);
} catch (IllegalArgumentException e) {
return output.badRequest(e);
}
log.debug(scriptSession.toString());
try {
Pair<String, String> result = scriptSession.evaluate((String) args.get("command"));
List<Representation> list =
new ArrayList<Representation>(
asList(
ValueRepresentation.string(result.first()),
ValueRepresentation.string(result.other())));
return output.ok(new ListRepresentation(RepresentationType.STRING, list));
} catch (Exception e) {
List<Representation> list =
new ArrayList<Representation>(
asList(
ValueRepresentation.string(e.getClass() + " : " + e.getMessage() + "\n"),
ValueRepresentation.string(null)));
return output.ok(new ListRepresentation(RepresentationType.STRING, list));
}
}
@Override
protected void doSomething() throws Throwable {
Pair<Integer, Node> pair = getNode(random, false);
Node node = pair.other();
node.removeProperty(randomPropertyKey(random));
}
public String getStringFor(Collection<DynamicRecord> dynamicRecords) {
Pair<byte[], byte[]> source =
stringPropertyStore.readFullByteArray(dynamicRecords, PropertyType.STRING);
// A string doesn't have a header in the data array
return decodeString(source.other());
}
