org.apache.flink.queryablestate.client.state.serialization.KvStateSerializer Java Examples
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org.apache.flink.queryablestate.client.state.serialization.KvStateSerializer.
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Example #1
Source File: ImmutableMapStateTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Before public void setUp() throws Exception { if (!mapStateDesc.isSerializerInitialized()) { mapStateDesc.initializeSerializerUnlessSet(new ExecutionConfig()); } Map<Long, Long> initMap = new HashMap<>(); initMap.put(1L, 5L); initMap.put(2L, 5L); byte[] initSer = KvStateSerializer.serializeMap( initMap.entrySet(), BasicTypeInfo.LONG_TYPE_INFO.createSerializer(new ExecutionConfig()), BasicTypeInfo.LONG_TYPE_INFO.createSerializer(new ExecutionConfig())); mapState = ImmutableMapState.createState(mapStateDesc, initSer); }
Example #2
Source File: KvStateRequestSerializerTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Tests key and namespace serialization utils. */ @Test public void testKeyAndNamespaceSerialization() throws Exception { TypeSerializer<Long> keySerializer = LongSerializer.INSTANCE; TypeSerializer<String> namespaceSerializer = StringSerializer.INSTANCE; long expectedKey = Integer.MAX_VALUE + 12323L; String expectedNamespace = "knilf"; byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( expectedKey, keySerializer, expectedNamespace, namespaceSerializer); Tuple2<Long, String> actual = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, keySerializer, namespaceSerializer); assertEquals(expectedKey, actual.f0.longValue()); assertEquals(expectedNamespace, actual.f1); }
Example #3
Source File: StateBackendTestBase.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Returns the value by getting the serialized value and deserializing it * if it is not null. */ private static <V, K, N> List<V> getSerializedList( InternalKvState<K, N, V> kvState, K key, TypeSerializer<K> keySerializer, N namespace, TypeSerializer<N> namespaceSerializer, TypeSerializer<V> valueSerializer) throws Exception { byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( key, keySerializer, namespace, namespaceSerializer); byte[] serializedValue = kvState.getSerializedValue( serializedKeyAndNamespace, kvState.getKeySerializer(), kvState.getNamespaceSerializer(), kvState.getValueSerializer() ); if (serializedValue == null) { return null; } else { return KvStateSerializer.deserializeList(serializedValue, valueSerializer); } }
Example #4
Source File: StateBackendTestBase.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Returns the value by getting the serialized value and deserializing it * if it is not null. */ protected static <V, K, N> V getSerializedValue( InternalKvState<K, N, V> kvState, K key, TypeSerializer<K> keySerializer, N namespace, TypeSerializer<N> namespaceSerializer, TypeSerializer<V> valueSerializer) throws Exception { byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( key, keySerializer, namespace, namespaceSerializer); byte[] serializedValue = kvState.getSerializedValue( serializedKeyAndNamespace, kvState.getKeySerializer(), kvState.getNamespaceSerializer(), kvState.getValueSerializer() ); if (serializedValue == null) { return null; } else { return KvStateSerializer.deserializeValue(serializedValue, valueSerializer); } }
Example #5
Source File: AbstractRocksDBState.java From flink with Apache License 2.0 | 6 votes |
@Override public byte[] getSerializedValue( final byte[] serializedKeyAndNamespace, final TypeSerializer<K> safeKeySerializer, final TypeSerializer<N> safeNamespaceSerializer, final TypeSerializer<V> safeValueSerializer) throws Exception { //TODO make KvStateSerializer key-group aware to save this round trip and key-group computation Tuple2<K, N> keyAndNamespace = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, safeKeySerializer, safeNamespaceSerializer); int keyGroup = KeyGroupRangeAssignment.assignToKeyGroup(keyAndNamespace.f0, backend.getNumberOfKeyGroups()); RocksDBSerializedCompositeKeyBuilder<K> keyBuilder = new RocksDBSerializedCompositeKeyBuilder<>( safeKeySerializer, backend.getKeyGroupPrefixBytes(), 32 ); keyBuilder.setKeyAndKeyGroup(keyAndNamespace.f0, keyGroup); byte[] key = keyBuilder.buildCompositeKeyNamespace(keyAndNamespace.f1, namespaceSerializer); return backend.db.get(columnFamily, key); }
Example #6
Source File: AbstractHeapState.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public byte[] getSerializedValue( final byte[] serializedKeyAndNamespace, final TypeSerializer<K> safeKeySerializer, final TypeSerializer<N> safeNamespaceSerializer, final TypeSerializer<SV> safeValueSerializer) throws Exception { Preconditions.checkNotNull(serializedKeyAndNamespace); Preconditions.checkNotNull(safeKeySerializer); Preconditions.checkNotNull(safeNamespaceSerializer); Preconditions.checkNotNull(safeValueSerializer); Tuple2<K, N> keyAndNamespace = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, safeKeySerializer, safeNamespaceSerializer); SV result = stateTable.get(keyAndNamespace.f0, keyAndNamespace.f1); if (result == null) { return null; } return KvStateSerializer.serializeValue(result, safeValueSerializer); }
Example #7
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests key and namespace serialization utils. */ @Test public void testKeyAndNamespaceSerialization() throws Exception { TypeSerializer<Long> keySerializer = LongSerializer.INSTANCE; TypeSerializer<String> namespaceSerializer = StringSerializer.INSTANCE; long expectedKey = Integer.MAX_VALUE + 12323L; String expectedNamespace = "knilf"; byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( expectedKey, keySerializer, expectedNamespace, namespaceSerializer); Tuple2<Long, String> actual = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, keySerializer, namespaceSerializer); assertEquals(expectedKey, actual.f0.longValue()); assertEquals(expectedNamespace, actual.f1); }
Example #8
Source File: StateBackendTestBase.java From flink with Apache License 2.0 | 6 votes |
/** * Returns the value by getting the serialized value and deserializing it * if it is not null. */ private static <V, K, N> List<V> getSerializedList( InternalKvState<K, N, V> kvState, K key, TypeSerializer<K> keySerializer, N namespace, TypeSerializer<N> namespaceSerializer, TypeSerializer<V> valueSerializer) throws Exception { byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( key, keySerializer, namespace, namespaceSerializer); byte[] serializedValue = kvState.getSerializedValue( serializedKeyAndNamespace, kvState.getKeySerializer(), kvState.getNamespaceSerializer(), kvState.getValueSerializer() ); if (serializedValue == null) { return null; } else { return KvStateSerializer.deserializeList(serializedValue, valueSerializer); } }
Example #9
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests key and namespace serialization utils. */ @Test public void testKeyAndNamespaceSerialization() throws Exception { TypeSerializer<Long> keySerializer = LongSerializer.INSTANCE; TypeSerializer<String> namespaceSerializer = StringSerializer.INSTANCE; long expectedKey = Integer.MAX_VALUE + 12323L; String expectedNamespace = "knilf"; byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( expectedKey, keySerializer, expectedNamespace, namespaceSerializer); Tuple2<Long, String> actual = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, keySerializer, namespaceSerializer); assertEquals(expectedKey, actual.f0.longValue()); assertEquals(expectedNamespace, actual.f1); }
Example #10
Source File: StateBackendTestBase.java From flink with Apache License 2.0 | 6 votes |
/** * Returns the value by getting the serialized value and deserializing it * if it is not null. */ protected static <V, K, N> V getSerializedValue( InternalKvState<K, N, V> kvState, K key, TypeSerializer<K> keySerializer, N namespace, TypeSerializer<N> namespaceSerializer, TypeSerializer<V> valueSerializer) throws Exception { byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( key, keySerializer, namespace, namespaceSerializer); byte[] serializedValue = kvState.getSerializedValue( serializedKeyAndNamespace, kvState.getKeySerializer(), kvState.getNamespaceSerializer(), kvState.getValueSerializer() ); if (serializedValue == null) { return null; } else { return KvStateSerializer.deserializeValue(serializedValue, valueSerializer); } }
Example #11
Source File: StateBackendTestBase.java From flink with Apache License 2.0 | 6 votes |
/** * Returns the value by getting the serialized value and deserializing it * if it is not null. */ private static <V, K, N> List<V> getSerializedList( InternalKvState<K, N, V> kvState, K key, TypeSerializer<K> keySerializer, N namespace, TypeSerializer<N> namespaceSerializer, TypeSerializer<V> valueSerializer) throws Exception { byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( key, keySerializer, namespace, namespaceSerializer); byte[] serializedValue = kvState.getSerializedValue( serializedKeyAndNamespace, kvState.getKeySerializer(), kvState.getNamespaceSerializer(), kvState.getValueSerializer() ); if (serializedValue == null) { return null; } else { return KvStateSerializer.deserializeList(serializedValue, valueSerializer); } }
Example #12
Source File: StateBackendTestBase.java From flink with Apache License 2.0 | 6 votes |
/** * Returns the value by getting the serialized value and deserializing it * if it is not null. */ protected static <V, K, N> V getSerializedValue( InternalKvState<K, N, V> kvState, K key, TypeSerializer<K> keySerializer, N namespace, TypeSerializer<N> namespaceSerializer, TypeSerializer<V> valueSerializer) throws Exception { byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( key, keySerializer, namespace, namespaceSerializer); byte[] serializedValue = kvState.getSerializedValue( serializedKeyAndNamespace, kvState.getKeySerializer(), kvState.getNamespaceSerializer(), kvState.getValueSerializer() ); if (serializedValue == null) { return null; } else { return KvStateSerializer.deserializeValue(serializedValue, valueSerializer); } }
Example #13
Source File: AbstractHeapState.java From flink with Apache License 2.0 | 6 votes |
@Override public byte[] getSerializedValue( final byte[] serializedKeyAndNamespace, final TypeSerializer<K> safeKeySerializer, final TypeSerializer<N> safeNamespaceSerializer, final TypeSerializer<SV> safeValueSerializer) throws Exception { Preconditions.checkNotNull(serializedKeyAndNamespace); Preconditions.checkNotNull(safeKeySerializer); Preconditions.checkNotNull(safeNamespaceSerializer); Preconditions.checkNotNull(safeValueSerializer); Tuple2<K, N> keyAndNamespace = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, safeKeySerializer, safeNamespaceSerializer); SV result = stateTable.get(keyAndNamespace.f0, keyAndNamespace.f1); if (result == null) { return null; } return KvStateSerializer.serializeValue(result, safeValueSerializer); }
Example #14
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests map deserialization with too few bytes. */ @Test(expected = IOException.class) public void testDeserializeMapTooShort3() throws Exception { // Long (Key1) + Boolean (false) + Long (Value1) + 1 byte (incomplete Key2) KvStateSerializer.deserializeMap(new byte[] {1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 3}, LongSerializer.INSTANCE, LongSerializer.INSTANCE); }
Example #15
Source File: ImmutableValueState.java From flink with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <V, S extends State> S createState( StateDescriptor<S, V> stateDescriptor, byte[] serializedState) throws IOException { final V state = KvStateSerializer.deserializeValue( serializedState, stateDescriptor.getSerializer()); return (S) new ImmutableValueState<>(state); }
Example #16
Source File: ImmutableReducingState.java From flink with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <V, S extends State> S createState( StateDescriptor<S, V> stateDescriptor, byte[] serializedState) throws IOException { final V state = KvStateSerializer.deserializeValue( serializedState, stateDescriptor.getSerializer()); return (S) new ImmutableReducingState<>(state); }
Example #17
Source File: ImmutableValueState.java From flink with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <V, S extends State> S createState( StateDescriptor<S, V> stateDescriptor, byte[] serializedState) throws IOException { final V state = KvStateSerializer.deserializeValue( serializedState, stateDescriptor.getSerializer()); return (S) new ImmutableValueState<>(state); }
Example #18
Source File: ImmutableFoldingState.java From flink with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <ACC, S extends State> S createState( StateDescriptor<S, ACC> stateDescriptor, byte[] serializedState) throws IOException { final ACC state = KvStateSerializer.deserializeValue( serializedState, stateDescriptor.getSerializer()); return (S) new ImmutableFoldingState<>(state); }
Example #19
Source File: ImmutableAggregatingState.java From flink with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <OUT, ACC, S extends State> S createState( StateDescriptor<S, ACC> stateDescriptor, byte[] serializedState) throws IOException { final ACC accumulator = KvStateSerializer.deserializeValue( serializedState, stateDescriptor.getSerializer()); final OUT state = ((AggregatingStateDescriptor<?, ACC, OUT>) stateDescriptor). getAggregateFunction().getResult(accumulator); return (S) new ImmutableAggregatingState<>(state); }
Example #20
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests key and namespace deserialization utils with too many bytes. */ @Test(expected = IOException.class) public void testKeyAndNamespaceDeserializationTooMany1() throws Exception { // Long + null String + 1 byte KvStateSerializer.deserializeKeyAndNamespace( new byte[] {1, 1, 1, 1, 1, 1, 1, 1, 42, 0, 2}, LongSerializer.INSTANCE, StringSerializer.INSTANCE); }
Example #21
Source File: ImmutableReducingState.java From flink with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <V, S extends State> S createState( StateDescriptor<S, V> stateDescriptor, byte[] serializedState) throws IOException { final V state = KvStateSerializer.deserializeValue( serializedState, stateDescriptor.getSerializer()); return (S) new ImmutableReducingState<>(state); }
Example #22
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests key and namespace deserialization utils with too many bytes. */ @Test(expected = IOException.class) public void testKeyAndNamespaceDeserializationTooMany2() throws Exception { // Long + null String + 2 bytes KvStateSerializer.deserializeKeyAndNamespace( new byte[] {1, 1, 1, 1, 1, 1, 1, 1, 42, 0, 2, 2}, LongSerializer.INSTANCE, StringSerializer.INSTANCE); }
Example #23
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests key and namespace deserialization utils with too many bytes. */ @Test(expected = IOException.class) public void testKeyAndNamespaceDeserializationTooMany1() throws Exception { // Long + null String + 1 byte KvStateSerializer.deserializeKeyAndNamespace( new byte[] {1, 1, 1, 1, 1, 1, 1, 1, 42, 0, 2}, LongSerializer.INSTANCE, StringSerializer.INSTANCE); }
Example #24
Source File: ImmutableListState.java From flink with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") public static <V, T, S extends State> S createState( StateDescriptor<S, T> stateDescriptor, byte[] serializedState) throws IOException { final List<V> state = KvStateSerializer.deserializeList( serializedState, ((ListStateDescriptor<V>) stateDescriptor).getElementSerializer()); return (S) new ImmutableListState<>(state); }
Example #25
Source File: StateBackendTestBase.java From flink with Apache License 2.0 | 5 votes |
/** * Returns the value by getting the serialized value and deserializing it * if it is not null. */ private static <UK, UV, K, N> Map<UK, UV> getSerializedMap( InternalKvState<K, N, Map<UK, UV>> kvState, K key, TypeSerializer<K> keySerializer, N namespace, TypeSerializer<N> namespaceSerializer, TypeSerializer<UK> userKeySerializer, TypeSerializer<UV> userValueSerializer ) throws Exception { byte[] serializedKeyAndNamespace = KvStateSerializer.serializeKeyAndNamespace( key, keySerializer, namespace, namespaceSerializer); byte[] serializedValue = kvState.getSerializedValue( serializedKeyAndNamespace, kvState.getKeySerializer(), kvState.getNamespaceSerializer(), kvState.getValueSerializer() ); if (serializedValue == null) { return null; } else { return KvStateSerializer.deserializeMap(serializedValue, userKeySerializer, userValueSerializer); } }
Example #26
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests list deserialization with too few bytes. */ @Test public void testDeserializeListEmpty() throws Exception { List<Long> actualValue = KvStateSerializer .deserializeList(new byte[] {}, LongSerializer.INSTANCE); assertEquals(0, actualValue.size()); }
Example #27
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests value deserialization with too many bytes. */ @Test(expected = IOException.class) public void testDeserializeValueTooMany2() throws Exception { // Long + 2 bytes KvStateSerializer.deserializeValue(new byte[] {1, 1, 1, 1, 1, 1, 1, 1, 2, 2}, LongSerializer.INSTANCE); }
Example #28
Source File: HeapListState.java From flink with Apache License 2.0 | 5 votes |
@Override public byte[] getSerializedValue( final byte[] serializedKeyAndNamespace, final TypeSerializer<K> safeKeySerializer, final TypeSerializer<N> safeNamespaceSerializer, final TypeSerializer<List<V>> safeValueSerializer) throws Exception { Preconditions.checkNotNull(serializedKeyAndNamespace); Preconditions.checkNotNull(safeKeySerializer); Preconditions.checkNotNull(safeNamespaceSerializer); Preconditions.checkNotNull(safeValueSerializer); Tuple2<K, N> keyAndNamespace = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, safeKeySerializer, safeNamespaceSerializer); List<V> result = stateTable.get(keyAndNamespace.f0, keyAndNamespace.f1); if (result == null) { return null; } final TypeSerializer<V> dupSerializer = ((ListSerializer<V>) safeValueSerializer).getElementSerializer(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); DataOutputViewStreamWrapper view = new DataOutputViewStreamWrapper(baos); // write the same as RocksDB writes lists, with one ',' separator for (int i = 0; i < result.size(); i++) { dupSerializer.serialize(result.get(i), view); if (i < result.size() -1) { view.writeByte(','); } } view.flush(); return baos.toByteArray(); }
Example #29
Source File: HeapMapState.java From flink with Apache License 2.0 | 5 votes |
@Override public byte[] getSerializedValue( final byte[] serializedKeyAndNamespace, final TypeSerializer<K> safeKeySerializer, final TypeSerializer<N> safeNamespaceSerializer, final TypeSerializer<Map<UK, UV>> safeValueSerializer) throws Exception { Preconditions.checkNotNull(serializedKeyAndNamespace); Preconditions.checkNotNull(safeKeySerializer); Preconditions.checkNotNull(safeNamespaceSerializer); Preconditions.checkNotNull(safeValueSerializer); Tuple2<K, N> keyAndNamespace = KvStateSerializer.deserializeKeyAndNamespace( serializedKeyAndNamespace, safeKeySerializer, safeNamespaceSerializer); Map<UK, UV> result = stateTable.get(keyAndNamespace.f0, keyAndNamespace.f1); if (result == null) { return null; } final MapSerializer<UK, UV> serializer = (MapSerializer<UK, UV>) safeValueSerializer; final TypeSerializer<UK> dupUserKeySerializer = serializer.getKeySerializer(); final TypeSerializer<UV> dupUserValueSerializer = serializer.getValueSerializer(); return KvStateSerializer.serializeMap(result.entrySet(), dupUserKeySerializer, dupUserValueSerializer); }
Example #30
Source File: KvStateRequestSerializerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests value deserialization with too many bytes. */ @Test(expected = IOException.class) public void testDeserializeValueTooMany1() throws Exception { // Long + 1 byte KvStateSerializer.deserializeValue(new byte[] {1, 1, 1, 1, 1, 1, 1, 1, 2}, LongSerializer.INSTANCE); }