Java Code Examples for org.apache.flink.util.InstantiationUtil#deserializeObject()
The following examples show how to use
org.apache.flink.util.InstantiationUtil#deserializeObject() .
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Example 1
| Source File: JobMasterTest.java From flink with Apache License 2.0 | 6 votes |
|
private List<InputSplit> getRemainingInputSplits(Supplier<SerializedInputSplit> nextInputSplit) throws Exception {
final List<InputSplit> actualInputSplits = new ArrayList<>(16);
boolean hasMoreInputSplits = true;
while (hasMoreInputSplits) {
final SerializedInputSplit serializedInputSplit = nextInputSplit.get();
if (serializedInputSplit.isEmpty()) {
hasMoreInputSplits = false;
} else {
final InputSplit inputSplit = InstantiationUtil.deserializeObject(serializedInputSplit.getInputSplitData(), ClassLoader.getSystemClassLoader());
if (inputSplit == null) {
hasMoreInputSplits = false;
} else {
actualInputSplits.add(inputSplit);
}
}
}
return actualInputSplits;
}
Example 2
| Source File: BaseRowSerializer.java From flink with Apache License 2.0 | 6 votes |
|
@Override
public void readSnapshot(int readVersion, DataInputView in, ClassLoader userCodeClassLoader)
throws IOException {
int length = in.readInt();
DataInputViewStream stream = new DataInputViewStream(in);
previousTypes = new LogicalType[length];
for (int i = 0; i < length; i++) {
try {
previousTypes[i] = InstantiationUtil.deserializeObject(
stream,
userCodeClassLoader
);
}
catch (ClassNotFoundException e) {
throw new IOException(e);
}
}
this.nestedSerializersSnapshotDelegate = NestedSerializersSnapshotDelegate.readNestedSerializerSnapshots(
in,
userCodeClassLoader
);
}
Example 3
| Source File: StatefulComplexPayloadSerializer.java From flink with Apache License 2.0 | 6 votes |
|
@Override
public ComplexPayload copy(ComplexPayload from) {
try {
Thread currentThread = Thread.currentThread();
if (currentOwnerThread.compareAndSet(null, currentThread)) {
return InstantiationUtil.deserializeObject(
InstantiationUtil.serializeObject(from), currentThread.getContextClassLoader());
} else {
throw new IllegalStateException("Concurrent access to type serializer detected!");
}
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
currentOwnerThread.set(null);
}
}
Example 4
| Source File: JobManagerWatermarkTracker.java From flink with Apache License 2.0 | 6 votes |
|
@Override
public long updateWatermark(long localWatermark) {
WatermarkUpdate update = new WatermarkUpdate();
update.id = getSubtaskId();
update.watermark = localWatermark;
try {
byte[] resultBytes = aggregateManager.updateGlobalAggregate(aggregateName,
InstantiationUtil.serializeObject(update), aggregateFunction);
WatermarkResult result = InstantiationUtil.deserializeObject(resultBytes,
this.getClass().getClassLoader());
this.updateTimeoutCount += result.updateTimeoutCount;
return result.watermark;
} catch (ClassNotFoundException | IOException ex) {
throw new RuntimeException(ex);
}
}
Example 5
| Source File: EnumSerializerTest.java From flink with Apache License 2.0 | 6 votes |
|
@Test
public void testSerializeEnumSerializer() throws Exception {
EnumSerializer<PublicEnum> serializer = new EnumSerializer<>(PublicEnum.class);
// verify original transient parameters
assertEquals(PublicEnum.FOO.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.FOO).intValue());
assertEquals(PublicEnum.BAR.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.BAR).intValue());
assertEquals(PublicEnum.PETER.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.PETER).intValue());
assertEquals(PublicEnum.NATHANIEL.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.NATHANIEL).intValue());
assertEquals(PublicEnum.EMMA.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.EMMA).intValue());
assertEquals(PublicEnum.PAULA.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.PAULA).intValue());
assertTrue(Arrays.equals(PublicEnum.values(), serializer.getValues()));
byte[] serializedSerializer = InstantiationUtil.serializeObject(serializer);
// deserialize and re-verify transient parameters
serializer = InstantiationUtil.deserializeObject(serializedSerializer, Thread.currentThread().getContextClassLoader());
assertEquals(PublicEnum.FOO.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.FOO).intValue());
assertEquals(PublicEnum.BAR.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.BAR).intValue());
assertEquals(PublicEnum.PETER.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.PETER).intValue());
assertEquals(PublicEnum.NATHANIEL.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.NATHANIEL).intValue());
assertEquals(PublicEnum.EMMA.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.EMMA).intValue());
assertEquals(PublicEnum.PAULA.ordinal(), serializer.getValueToOrdinal().get(PublicEnum.PAULA).intValue());
assertTrue(Arrays.equals(PublicEnum.values(), serializer.getValues()));
}
Example 6
| Source File: TupleSerializerConfigSnapshot.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Override
public void read(DataInputView in) throws IOException {
super.read(in);
try (final DataInputViewStream inViewWrapper = new DataInputViewStream(in)) {
tupleClass = InstantiationUtil.deserializeObject(inViewWrapper, getUserCodeClassLoader(), true);
} catch (ClassNotFoundException e) {
throw new IOException("Could not find requested tuple class in classpath.", e);
}
}
Example 7
| Source File: CheckpointCoordinatorTest.java From flink with Apache License 2.0 | 5 votes |
|
private static void collectResult(int opIdx, OperatorStateHandle operatorStateHandle, List<String> resultCollector) throws Exception {
try (FSDataInputStream in = operatorStateHandle.openInputStream()) {
for (Map.Entry<String, OperatorStateHandle.StateMetaInfo> entry : operatorStateHandle.getStateNameToPartitionOffsets().entrySet()) {
for (long offset : entry.getValue().getOffsets()) {
in.seek(offset);
Integer state = InstantiationUtil.
deserializeObject(in, Thread.currentThread().getContextClassLoader());
resultCollector.add(opIdx + " : " + entry.getKey() + " : " + state);
}
}
}
}
Example 8
| Source File: JavaSerializer.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Override
public T deserialize(DataInputView source) throws IOException {
try (final DataInputViewStream inViewWrapper = new DataInputViewStream(source)) {
return InstantiationUtil.deserializeObject(
inViewWrapper,
Thread.currentThread().getContextClassLoader());
} catch (ClassNotFoundException e) {
throw new IOException("Could not deserialize object.", e);
}
}
Example 9
| Source File: LogicalTypesTest.java From flink with Apache License 2.0 | 5 votes |
|
private static void testJavaSerializability(LogicalType serializableType) {
try {
final LogicalType deserializedInstance = InstantiationUtil.deserializeObject(
InstantiationUtil.serializeObject(serializableType),
LogicalTypesTest.class.getClassLoader());
assertEquals(serializableType, deserializedInstance);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
Example 10
| Source File: DataStructureConvertersTest.java From flink with Apache License 2.0 | 5 votes |
|
private static DataStructureConverter<Object, Object> simulateSerialization(DataStructureConverter<Object, Object> converter) {
try {
final byte[] bytes = InstantiationUtil.serializeObject(converter);
return InstantiationUtil.deserializeObject(bytes, DataStructureConverter.class.getClassLoader());
} catch (Exception e) {
throw new AssertionError("Serialization failed.", e);
}
}
Example 11
| Source File: JavaSerializer.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public T deserialize(DataInputView source) throws IOException {
try (final DataInputViewStream inViewWrapper = new DataInputViewStream(source)) {
return InstantiationUtil.deserializeObject(
inViewWrapper,
Thread.currentThread().getContextClassLoader());
} catch (ClassNotFoundException e) {
throw new IOException("Could not deserialize object.", e);
}
}
Example 12
| Source File: MapDataSerializer.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public void readSnapshot(int readVersion, DataInputView in, ClassLoader userCodeClassLoader) throws IOException {
try {
DataInputViewStream inStream = new DataInputViewStream(in);
this.previousKeyType = InstantiationUtil.deserializeObject(inStream, userCodeClassLoader);
this.previousValueType = InstantiationUtil.deserializeObject(inStream, userCodeClassLoader);
this.previousKeySerializer = InstantiationUtil.deserializeObject(inStream, userCodeClassLoader);
this.previousValueSerializer = InstantiationUtil.deserializeObject(inStream, userCodeClassLoader);
} catch (ClassNotFoundException e) {
throw new IOException(e);
}
}
Example 13
| Source File: FileArchivedExecutionGraphStore.java From flink with Apache License 2.0 | 5 votes |
|
private ArchivedExecutionGraph loadExecutionGraph(JobID jobId) throws IOException, ClassNotFoundException {
final File archivedExecutionGraphFile = getExecutionGraphFile(jobId);
if (archivedExecutionGraphFile.exists()) {
try (FileInputStream fileInputStream = new FileInputStream(archivedExecutionGraphFile)) {
return InstantiationUtil.deserializeObject(fileInputStream, getClass().getClassLoader());
}
} else {
throw new FileNotFoundException("Could not find file for archived execution graph " + jobId +
". This indicates that the file either has been deleted or never written.");
}
}
Example 14
| Source File: CsvRowDeSerializationSchemaTest.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
private static Row deserialize(CsvRowDeserializationSchema.Builder deserSchemaBuilder, String csv) throws Exception {
// we serialize and deserialize the schema to test runtime behavior
// when the schema is shipped to the cluster
final CsvRowDeserializationSchema schema = InstantiationUtil.deserializeObject(
InstantiationUtil.serializeObject(deserSchemaBuilder.build()),
CsvRowDeSerializationSchemaTest.class.getClassLoader());
return schema.deserialize(csv.getBytes());
}
Example 15
| Source File: SortedMapSerializerSnapshot.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public void readSnapshot(int readVersion, DataInputView in, ClassLoader userCodeClassLoader) throws IOException {
try {
comparator = InstantiationUtil.deserializeObject(
new DataInputViewStream(in), userCodeClassLoader);
} catch (ClassNotFoundException e) {
throw new IOException(e);
}
this.nestedSerializersSnapshotDelegate = NestedSerializersSnapshotDelegate.readNestedSerializerSnapshots(
in,
userCodeClassLoader);
}
Example 16
| Source File: GenericArraySerializerConfigSnapshot.java From flink with Apache License 2.0 | 5 votes |
|
private void readV1(DataInputView in, ClassLoader classLoader) throws IOException {
nestedSnapshot = NestedSerializersSnapshotDelegate.legacyReadNestedSerializerSnapshots(in, classLoader);
try (DataInputViewStream inViewWrapper = new DataInputViewStream(in)) {
componentClass = InstantiationUtil.deserializeObject(inViewWrapper, classLoader);
}
catch (ClassNotFoundException e) {
throw new IOException("Could not find requested element class in classpath.", e);
}
}
Example 17
| Source File: AbstractParameterToolTest.java From flink with Apache License 2.0 | 5 votes |
|
protected void validate(ParameterTool parameter) {
ClosureCleaner.ensureSerializable(parameter);
internalValidate(parameter);
// -------- test behaviour after serialization ------------
try {
byte[] b = InstantiationUtil.serializeObject(parameter);
final ParameterTool copy = InstantiationUtil.deserializeObject(b, getClass().getClassLoader());
internalValidate(copy);
} catch (IOException | ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
Example 18
| Source File: TupleSerializerConfigSnapshot.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public void read(DataInputView in) throws IOException {
super.read(in);
try (final DataInputViewStream inViewWrapper = new DataInputViewStream(in)) {
tupleClass = InstantiationUtil.deserializeObject(inViewWrapper, getUserCodeClassLoader(), true);
} catch (ClassNotFoundException e) {
throw new IOException("Could not find requested tuple class in classpath.", e);
}
}
Example 19
| Source File: HeapKeyedStateBackendSnapshotMigrationTest.java From flink with Apache License 2.0 | 4 votes |
|
@Test
public void testMapStateMigrationAfterHashMapSerRemoval() throws Exception {
ClassLoader cl = getClass().getClassLoader();
URL resource = cl.getResource("heap_keyed_statebackend_1_5_map.snapshot");
Preconditions.checkNotNull(resource, "Binary snapshot resource not found!");
final SnapshotResult<KeyedStateHandle> stateHandles;
try (BufferedInputStream bis = new BufferedInputStream((new FileInputStream(resource.getFile())))) {
stateHandles = InstantiationUtil.deserializeObject(bis, Thread.currentThread().getContextClassLoader());
}
final KeyedStateHandle stateHandle = stateHandles.getJobManagerOwnedSnapshot();
try (final HeapKeyedStateBackend<String> keyedBackend = createKeyedBackend(StateObjectCollection.singleton(stateHandle))) {
final Integer namespace1 = 1;
final Integer namespace2 = 2;
final Integer namespace3 = 3;
final MapStateDescriptor<Long, Long> stateDescr = new MapStateDescriptor<>("my-map-state", Long.class, Long.class);
stateDescr.initializeSerializerUnlessSet(new ExecutionConfig());
InternalMapState<String, Integer, Long, Long> state = keyedBackend.createInternalState(IntSerializer.INSTANCE, stateDescr);
keyedBackend.setCurrentKey("abc");
state.setCurrentNamespace(namespace1);
assertEquals(33L, (long) state.get(33L));
assertEquals(55L, (long) state.get(55L));
assertEquals(2, getStateSize(state));
state.setCurrentNamespace(namespace2);
assertEquals(22L, (long) state.get(22L));
assertEquals(11L, (long) state.get(11L));
assertEquals(2, getStateSize(state));
state.setCurrentNamespace(namespace3);
assertEquals(44L, (long) state.get(44L));
assertEquals(1, getStateSize(state));
keyedBackend.setCurrentKey("def");
state.setCurrentNamespace(namespace1);
assertEquals(11L, (long) state.get(11L));
assertEquals(44L, (long) state.get(44L));
assertEquals(2, getStateSize(state));
state.setCurrentNamespace(namespace3);
assertEquals(22L, (long) state.get(22L));
assertEquals(55L, (long) state.get(55L));
assertEquals(33L, (long) state.get(33L));
assertEquals(3, getStateSize(state));
keyedBackend.setCurrentKey("jkl");
state.setCurrentNamespace(namespace1);
assertEquals(11L, (long) state.get(11L));
assertEquals(22L, (long) state.get(22L));
assertEquals(33L, (long) state.get(33L));
assertEquals(44L, (long) state.get(44L));
assertEquals(55L, (long) state.get(55L));
assertEquals(5, getStateSize(state));
keyedBackend.setCurrentKey("mno");
state.setCurrentNamespace(namespace3);
assertEquals(11L, (long) state.get(11L));
assertEquals(22L, (long) state.get(22L));
assertEquals(33L, (long) state.get(33L));
assertEquals(44L, (long) state.get(44L));
assertEquals(55L, (long) state.get(55L));
assertEquals(5, getStateSize(state));
RunnableFuture<SnapshotResult<KeyedStateHandle>> snapshot = keyedBackend.snapshot(
1L,
1L,
new MemCheckpointStreamFactory(4 * 1024 * 1024),
CheckpointOptions.forCheckpointWithDefaultLocation());
snapshot.run();
}
}
Example 20
| Source File: HeapKeyedStateBackendSnapshotMigrationTest.java From flink with Apache License 2.0 | 4 votes |
|
@Test
public void testMapStateMigrationAfterHashMapSerRemoval() throws Exception {
ClassLoader cl = getClass().getClassLoader();
URL resource = cl.getResource("heap_keyed_statebackend_1_5_map.snapshot");
Preconditions.checkNotNull(resource, "Binary snapshot resource not found!");
final SnapshotResult<KeyedStateHandle> stateHandles;
try (BufferedInputStream bis = new BufferedInputStream((new FileInputStream(resource.getFile())))) {
stateHandles = InstantiationUtil.deserializeObject(bis, Thread.currentThread().getContextClassLoader());
}
final KeyedStateHandle stateHandle = stateHandles.getJobManagerOwnedSnapshot();
try (final HeapKeyedStateBackend<String> keyedBackend = createKeyedBackend(StateObjectCollection.singleton(stateHandle))) {
final Integer namespace1 = 1;
final Integer namespace2 = 2;
final Integer namespace3 = 3;
final MapStateDescriptor<Long, Long> stateDescr = new MapStateDescriptor<>("my-map-state", Long.class, Long.class);
stateDescr.initializeSerializerUnlessSet(new ExecutionConfig());
InternalMapState<String, Integer, Long, Long> state = keyedBackend.createInternalState(IntSerializer.INSTANCE, stateDescr);
keyedBackend.setCurrentKey("abc");
state.setCurrentNamespace(namespace1);
assertEquals(33L, (long) state.get(33L));
assertEquals(55L, (long) state.get(55L));
assertEquals(2, getStateSize(state));
state.setCurrentNamespace(namespace2);
assertEquals(22L, (long) state.get(22L));
assertEquals(11L, (long) state.get(11L));
assertEquals(2, getStateSize(state));
state.setCurrentNamespace(namespace3);
assertEquals(44L, (long) state.get(44L));
assertEquals(1, getStateSize(state));
keyedBackend.setCurrentKey("def");
state.setCurrentNamespace(namespace1);
assertEquals(11L, (long) state.get(11L));
assertEquals(44L, (long) state.get(44L));
assertEquals(2, getStateSize(state));
state.setCurrentNamespace(namespace3);
assertEquals(22L, (long) state.get(22L));
assertEquals(55L, (long) state.get(55L));
assertEquals(33L, (long) state.get(33L));
assertEquals(3, getStateSize(state));
keyedBackend.setCurrentKey("jkl");
state.setCurrentNamespace(namespace1);
assertEquals(11L, (long) state.get(11L));
assertEquals(22L, (long) state.get(22L));
assertEquals(33L, (long) state.get(33L));
assertEquals(44L, (long) state.get(44L));
assertEquals(55L, (long) state.get(55L));
assertEquals(5, getStateSize(state));
keyedBackend.setCurrentKey("mno");
state.setCurrentNamespace(namespace3);
assertEquals(11L, (long) state.get(11L));
assertEquals(22L, (long) state.get(22L));
assertEquals(33L, (long) state.get(33L));
assertEquals(44L, (long) state.get(44L));
assertEquals(55L, (long) state.get(55L));
assertEquals(5, getStateSize(state));
RunnableFuture<SnapshotResult<KeyedStateHandle>> snapshot = keyedBackend.snapshot(
1L,
1L,
new MemCheckpointStreamFactory(4 * 1024 * 1024),
CheckpointOptions.forCheckpointWithDefaultLocation());
snapshot.run();
}
}
