当前位置: 首页>>代码示例>>Java>>正文

Java FloatSerializer类代码示例

本文整理汇总了Java中org.apache.flink.api.common.typeutils.base.FloatSerializer类的典型用法代码示例。如果您正苦于以下问题：Java FloatSerializer类的具体用法？Java FloatSerializer怎么用？Java FloatSerializer使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


FloatSerializer类属于org.apache.flink.api.common.typeutils.base包，在下文中一共展示了FloatSerializer类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: createSerializer

import org.apache.flink.api.common.typeutils.base.FloatSerializer; //导入依赖的package包/类
@Override
protected TypeSerializer<Float> createSerializer() {
	return new FloatSerializer();
}
开发者ID:axbaretto，项目名称:flink，代码行数:5，代码来源:FloatComparatorTest.java

示例2: testValueStateRestoreWithWrongSerializers

import org.apache.flink.api.common.typeutils.base.FloatSerializer; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testValueStateRestoreWithWrongSerializers() throws Exception {
	CheckpointStreamFactory streamFactory = createStreamFactory();
	AbstractKeyedStateBackend<Integer> backend = createKeyedBackend(IntSerializer.INSTANCE);

	try {
		ValueStateDescriptor<String> kvId = new ValueStateDescriptor<>("id", String.class);

		ValueState<String> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

		backend.setCurrentKey(1);
		state.update("1");
		backend.setCurrentKey(2);
		state.update("2");

		// draw a snapshot
		KeyedStateHandle snapshot1 = FutureUtil.runIfNotDoneAndGet(backend.snapshot(682375462378L, 2, streamFactory, CheckpointOptions.forCheckpoint()));

		backend.dispose();
		// restore the first snapshot and validate it
		backend = restoreKeyedBackend(IntSerializer.INSTANCE, snapshot1);
		snapshot1.discardState();

		@SuppressWarnings("unchecked")
		TypeSerializer<String> fakeStringSerializer =
			(TypeSerializer<String>) (TypeSerializer<?>) FloatSerializer.INSTANCE;

		try {
			kvId = new ValueStateDescriptor<>("id", fakeStringSerializer);

			state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

			state.value();

			fail("should recognize wrong serializers");
		} catch (StateMigrationException ignored) {
			// expected
		}
	} finally {
		backend.dispose();
	}
}
开发者ID:axbaretto，项目名称:flink，代码行数:44，代码来源:StateBackendTestBase.java

示例3: testListStateRestoreWithWrongSerializers

import org.apache.flink.api.common.typeutils.base.FloatSerializer; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testListStateRestoreWithWrongSerializers() throws Exception {
	CheckpointStreamFactory streamFactory = createStreamFactory();
	AbstractKeyedStateBackend<Integer> backend = createKeyedBackend(IntSerializer.INSTANCE);

	try {
		ListStateDescriptor<String> kvId = new ListStateDescriptor<>("id", String.class);
		ListState<String> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

		backend.setCurrentKey(1);
		state.add("1");
		backend.setCurrentKey(2);
		state.add("2");

		// draw a snapshot
		KeyedStateHandle snapshot1 = FutureUtil.runIfNotDoneAndGet(backend.snapshot(682375462378L, 2, streamFactory, CheckpointOptions.forCheckpoint()));

		backend.dispose();
		// restore the first snapshot and validate it
		backend = restoreKeyedBackend(IntSerializer.INSTANCE, snapshot1);
		snapshot1.discardState();

		@SuppressWarnings("unchecked")
		TypeSerializer<String> fakeStringSerializer =
				(TypeSerializer<String>) (TypeSerializer<?>) FloatSerializer.INSTANCE;

		try {
			kvId = new ListStateDescriptor<>("id", fakeStringSerializer);

			state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

			state.get();

			fail("should recognize wrong serializers");
		} catch (StateMigrationException ignored) {
			// expected
		}
	} finally {
		backend.dispose();
	}
}
开发者ID:axbaretto，项目名称:flink，代码行数:43，代码来源:StateBackendTestBase.java

示例4: testReducingStateRestoreWithWrongSerializers

import org.apache.flink.api.common.typeutils.base.FloatSerializer; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testReducingStateRestoreWithWrongSerializers() throws Exception {
	CheckpointStreamFactory streamFactory = createStreamFactory();
	AbstractKeyedStateBackend<Integer> backend = createKeyedBackend(IntSerializer.INSTANCE);

	try {
		ReducingStateDescriptor<String> kvId = new ReducingStateDescriptor<>("id",
				new AppendingReduce(),
				StringSerializer.INSTANCE);
		ReducingState<String> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

		backend.setCurrentKey(1);
		state.add("1");
		backend.setCurrentKey(2);
		state.add("2");

		// draw a snapshot
		KeyedStateHandle snapshot1 = FutureUtil.runIfNotDoneAndGet(backend.snapshot(682375462378L, 2, streamFactory, CheckpointOptions.forCheckpoint()));

		backend.dispose();
		// restore the first snapshot and validate it
		backend = restoreKeyedBackend(IntSerializer.INSTANCE, snapshot1);
		snapshot1.discardState();

		@SuppressWarnings("unchecked")
		TypeSerializer<String> fakeStringSerializer =
				(TypeSerializer<String>) (TypeSerializer<?>) FloatSerializer.INSTANCE;

		try {
			kvId = new ReducingStateDescriptor<>("id", new AppendingReduce(), fakeStringSerializer);

			state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

			state.get();

			fail("should recognize wrong serializers");
		} catch (StateMigrationException ignored) {
			// expected
		}
	} finally {
		backend.dispose();
	}
}
开发者ID:axbaretto，项目名称:flink，代码行数:45，代码来源:StateBackendTestBase.java

示例5: testMapStateRestoreWithWrongSerializers

import org.apache.flink.api.common.typeutils.base.FloatSerializer; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testMapStateRestoreWithWrongSerializers() throws Exception {
	CheckpointStreamFactory streamFactory = createStreamFactory();
	AbstractKeyedStateBackend<Integer> backend = createKeyedBackend(IntSerializer.INSTANCE);

	try {
		MapStateDescriptor<String, String> kvId = new MapStateDescriptor<>("id", StringSerializer.INSTANCE, StringSerializer.INSTANCE);
		MapState<String, String> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

		backend.setCurrentKey(1);
		state.put("1", "First");
		backend.setCurrentKey(2);
		state.put("2", "Second");

		// draw a snapshot
		KeyedStateHandle snapshot1 = FutureUtil.runIfNotDoneAndGet(backend.snapshot(682375462378L, 2, streamFactory, CheckpointOptions.forCheckpoint()));

		backend.dispose();
		// restore the first snapshot and validate it
		backend = restoreKeyedBackend(IntSerializer.INSTANCE, snapshot1);
		snapshot1.discardState();

		@SuppressWarnings("unchecked")
		TypeSerializer<String> fakeStringSerializer =
			(TypeSerializer<String>) (TypeSerializer<?>) FloatSerializer.INSTANCE;

		try {
			kvId = new MapStateDescriptor<>("id", fakeStringSerializer, StringSerializer.INSTANCE);

			state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, kvId);

			state.entries();

			fail("should recognize wrong serializers");
		} catch (StateMigrationException ignored) {
			// expected
		}
		backend.dispose();
	} finally {
		backend.dispose();
	}
}
开发者ID:axbaretto，项目名称:flink，代码行数:44，代码来源:StateBackendTestBase.java


注：本文中的org.apache.flink.api.common.typeutils.base.FloatSerializer类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。