K - the key type of the map entries.V - the value type of the map entries.@Internal public class NullAwareMapSerializerSnapshot<K,V> extends org.apache.flink.api.common.typeutils.CompositeTypeSerializerSnapshot<Map<K,V>,NullAwareMapSerializer<K,V>>
TypeSerializerSnapshot for the NullAwareMapSerializer.| 构造器和说明 |
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NullAwareMapSerializerSnapshot()
Constructor for read instantiation.
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NullAwareMapSerializerSnapshot(NullAwareMapSerializer<K,V> mapViewSerializer)
Constructor to create the snapshot for writing.
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| 限定符和类型 | 方法和说明 |
|---|---|
protected NullAwareMapSerializer<K,V> |
createOuterSerializerWithNestedSerializers(org.apache.flink.api.common.typeutils.TypeSerializer<?>[] nestedSerializers) |
int |
getCurrentOuterSnapshotVersion() |
protected org.apache.flink.api.common.typeutils.TypeSerializer<?>[] |
getNestedSerializers(NullAwareMapSerializer<K,V> outerSerializer) |
getCurrentVersion, getNestedSerializerSnapshots, isOuterSnapshotCompatible, readOuterSnapshot, readSnapshot, resolveOuterSchemaCompatibility, resolveSchemaCompatibility, restoreSerializer, writeOuterSnapshot, writeSnapshotpublic NullAwareMapSerializerSnapshot()
public NullAwareMapSerializerSnapshot(NullAwareMapSerializer<K,V> mapViewSerializer)
public int getCurrentOuterSnapshotVersion()
protected NullAwareMapSerializer<K,V> createOuterSerializerWithNestedSerializers(org.apache.flink.api.common.typeutils.TypeSerializer<?>[] nestedSerializers)
protected org.apache.flink.api.common.typeutils.TypeSerializer<?>[] getNestedSerializers(NullAwareMapSerializer<K,V> outerSerializer)
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