Apache Flink Table Runtime Blink

<dependency>
    <groupId>org.apache.flink</groupId>
    <artifactId>flink-table-runtime-blink_2.11</artifactId>
    <version>1.13.6</version>
</dependency>

// Data structures and vectorization
import org.apache.flink.table.data.*;
import org.apache.flink.table.data.conversion.*;
import org.apache.flink.table.data.vector.*;

// File system integration
import org.apache.flink.table.filesystem.*;

// Runtime operators and code generation
import org.apache.flink.table.runtime.generated.*;
import org.apache.flink.table.runtime.operators.*;

// Type system
import org.apache.flink.table.runtime.types.*;
import org.apache.flink.table.runtime.typeutils.*;

// Using the file system table factory
import org.apache.flink.table.filesystem.FileSystemTableFactory;
import org.apache.flink.table.descriptors.DescriptorProperties;

// Create file system table source/sink
FileSystemTableFactory factory = new FileSystemTableFactory();
// Configure through table environment

// Data conversion example
import org.apache.flink.table.data.conversion.DataStructureConverter;
import org.apache.flink.table.data.RowData;

// Convert between internal and external formats
DataStructureConverter<RowData, Row> converter = 
    DataStructureConverter.getConverter(dataType);
Row externalRow = converter.toExternal(internalRowData);
RowData internalRowData = converter.toInternal(externalRow);

// Vectorized data processing
import org.apache.flink.table.data.VectorizedColumnBatch;
import org.apache.flink.table.data.ColumnVector;

ColumnVector[] vectors = createColumnVectors(); // Create appropriate column vectors
VectorizedColumnBatch batch = new VectorizedColumnBatch(vectors);
// Process data in columnar format for better performance

// Core interfaces for vectorized data access
interface ColumnVector {
    boolean isNullAt(int rowId);
    // Type-specific access methods implemented by subclasses
}

// Main vectorized batch container
class VectorizedColumnBatch {
    VectorizedColumnBatch(int numCols, int maxRows);
    ColumnVector[] columns;
    int numRows;
}

// Key converter interface
interface DataStructureConverter<I, E> {
    E toExternal(I internal);
    I toInternal(E external);
}

// Primary factory for file system tables
class FileSystemTableFactory 
    implements DynamicTableSourceFactory, DynamicTableSinkFactory {
    DynamicTableSource createDynamicTableSource(Context context);
    DynamicTableSink createDynamicTableSink(Context context);
}

// Core partition management interfaces
interface PartitionWriter<T> {
    void write(T record) throws Exception;
    void close() throws Exception;
}

interface PartitionCommitPolicy {
    boolean shouldCommit(Context context) throws Exception;
    void commit(Context context) throws Exception;
}

// Main factory for code-generated operators
class CodeGenOperatorFactory<OUT> extends AbstractStreamOperatorFactory<OUT> {
    CodeGenOperatorFactory(GeneratedClass<? extends StreamOperator<OUT>> operatorCodeGenerator);
}

// Window operator builder
class WindowOperatorBuilder {
    WindowOperatorBuilder withWindowAssigner(WindowAssigner<?, ? extends Window> assigner);
    WindowOperatorBuilder withWindowFunction(WindowFunction<?, ?, ?, ?> function);
    OneInputStreamOperator<RowData, RowData> build();
}

// Join type enumerations
enum FlinkJoinType {
    INNER, LEFT, RIGHT, FULL, SEMI, ANTI
}

// Base class for all generated classes
abstract class GeneratedClass<T> {
    String getClassName();
    String getCode();
    Object[] getReferences();
}

// Generated function interfaces
interface AggsHandleFunction {
    void accumulate(RowData input) throws Exception;
    RowData getValue() throws Exception;
}

interface JoinCondition {
    boolean apply(RowData left, RowData right) throws Exception;
}

// Key type converter classes
class ClassDataTypeConverter {
    static Optional<DataType> extractDataType(Class<?> clazz);
    static Optional<Class<?>> extractClass(DataType dataType);
}

// Primary row data serializer
class RowDataSerializer extends TypeSerializer<RowData> {
    RowDataSerializer(LogicalType... types);
    RowData deserialize(DataInputView source) throws IOException;
    void serialize(RowData record, DataOutputView target) throws IOException;
}

// Memory pool for efficient segment management
class LazyMemorySegmentPool {
    LazyMemorySegmentPool(int numberOfPages, int pageSize);
    MemorySegment nextSegment();
    void returnAll(List<MemorySegment> memory);
}

// Specialized hash collections
class IntHashSet {
    boolean add(int value);
    boolean contains(int value);
    int size();
}

// LRU cache implementation
class LRUMap<K, V> extends LinkedHashMap<K, V> {
    LRUMap(int maxCapacity);
}