Java Code Examples for org.apache.flink.api.common.state.StateDescriptor#getDefaultValue()

The following examples show how to use org.apache.flink.api.common.state.StateDescriptor#getDefaultValue() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: HeapFoldingState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapFoldingState<>(
		stateTable,
		keySerializer,
		stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		stateDesc.getDefaultValue(),
		((FoldingStateDescriptor<SV, SV>) stateDesc).getFoldFunction());
}
Example 2
Source File: RocksDBValueState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBValueState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		registerResult.f1.getStateSerializer(),
		stateDesc.getDefaultValue(),
		backend);
}
Example 3
Source File: HeapListState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <E, K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapListState<>(
		(StateTable<K, N, List<E>>) stateTable,
		keySerializer,
		(TypeSerializer<List<E>>) stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		(List<E>) stateDesc.getDefaultValue());
}
Example 4
Source File: RocksDBAggregatingState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBAggregatingState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		registerResult.f1.getStateSerializer(),
		stateDesc.getDefaultValue(),
		((AggregatingStateDescriptor<?, SV, ?>) stateDesc).getAggregateFunction(),
		backend);
}
Example 5
Source File: RocksDBFoldingState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBFoldingState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		registerResult.f1.getStateSerializer(),
		stateDesc.getDefaultValue(),
		((FoldingStateDescriptor<?, SV>) stateDesc).getFoldFunction(),
		backend);
}
Example 6
Source File: RocksDBReducingState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBReducingState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		registerResult.f1.getStateSerializer(),
		stateDesc.getDefaultValue(),
		((ReducingStateDescriptor<SV>) stateDesc).getReduceFunction(),
		backend);
}
Example 7
Source File: HeapAggregatingState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <T, K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapAggregatingState<>(
		stateTable,
		keySerializer,
		stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		stateDesc.getDefaultValue(),
		((AggregatingStateDescriptor<T, SV, ?>) stateDesc).getAggregateFunction());
}
Example 8
Source File: RocksDBListState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <E, K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBListState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		(TypeSerializer<List<E>>) registerResult.f1.getStateSerializer(),
		(List<E>) stateDesc.getDefaultValue(),
		backend);
}
Example 9
Source File: RocksDBMapState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <UK, UV, K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBMapState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		(TypeSerializer<Map<UK, UV>>) registerResult.f1.getStateSerializer(),
		(Map<UK, UV>) stateDesc.getDefaultValue(),
		backend);
}
Example 10
Source File: HeapMapState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <UK, UV, K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapMapState<>(
		(StateTable<K, N, Map<UK, UV>>) stateTable,
		keySerializer,
		(TypeSerializer<Map<UK, UV>>) stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		(Map<UK, UV>) stateDesc.getDefaultValue());
}
Example 11
Source File: RocksDBMapState.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <UK, UV, K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBMapState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		(TypeSerializer<Map<UK, UV>>) registerResult.f1.getStateSerializer(),
		(Map<UK, UV>) stateDesc.getDefaultValue(),
		backend);
}
Example 12
Source File: HeapValueState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapValueState<>(
		stateTable,
		keySerializer,
		stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		stateDesc.getDefaultValue());
}
Example 13
Source File: HeapFoldingState.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapFoldingState<>(
		stateTable,
		keySerializer,
		stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		stateDesc.getDefaultValue(),
		((FoldingStateDescriptor<SV, SV>) stateDesc).getFoldFunction());
}
Example 14
Source File: HeapReducingState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapReducingState<>(
		stateTable,
		keySerializer,
		stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		stateDesc.getDefaultValue(),
		((ReducingStateDescriptor<SV>) stateDesc).getReduceFunction());
}
Example 15
Source File: HeapValueState.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapValueState<>(
		stateTable,
		keySerializer,
		stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		stateDesc.getDefaultValue());
}
Example 16
Source File: RocksDBAggregatingState.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBAggregatingState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		registerResult.f1.getStateSerializer(),
		stateDesc.getDefaultValue(),
		((AggregatingStateDescriptor<?, SV, ?>) stateDesc).getAggregateFunction(),
		backend);
}
Example 17
Source File: HeapReducingState.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	StateTable<K, N, SV> stateTable,
	TypeSerializer<K> keySerializer) {
	return (IS) new HeapReducingState<>(
		stateTable,
		keySerializer,
		stateTable.getStateSerializer(),
		stateTable.getNamespaceSerializer(),
		stateDesc.getDefaultValue(),
		((ReducingStateDescriptor<SV>) stateDesc).getReduceFunction());
}
Example 18
Source File: RocksDBReducingState.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBReducingState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		registerResult.f1.getStateSerializer(),
		stateDesc.getDefaultValue(),
		((ReducingStateDescriptor<SV>) stateDesc).getReduceFunction(),
		backend);
}
Example 19
Source File: RocksDBValueState.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBValueState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		registerResult.f1.getStateSerializer(),
		stateDesc.getDefaultValue(),
		backend);
}
Example 20
Source File: RocksDBListState.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
static <E, K, N, SV, S extends State, IS extends S> IS create(
	StateDescriptor<S, SV> stateDesc,
	Tuple2<ColumnFamilyHandle, RegisteredKeyValueStateBackendMetaInfo<N, SV>> registerResult,
	RocksDBKeyedStateBackend<K> backend) {
	return (IS) new RocksDBListState<>(
		registerResult.f0,
		registerResult.f1.getNamespaceSerializer(),
		(TypeSerializer<List<E>>) registerResult.f1.getStateSerializer(),
		(List<E>) stateDesc.getDefaultValue(),
		backend);
}