Apache Flink Table Planner Blink

// Factory for creating planner instances
import org.apache.flink.table.planner.delegation.BlinkPlannerFactory;
import org.apache.flink.table.planner.delegation.BlinkExecutorFactory;

// Main planner classes
import org.apache.flink.table.planner.delegation.StreamPlanner;
import org.apache.flink.table.planner.delegation.BatchPlanner;

import org.apache.flink.table.api.*;
import org.apache.flink.table.planner.delegation.BlinkPlannerFactory;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;

// Create table environment with Blink planner for streaming
StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
EnvironmentSettings settings = EnvironmentSettings.newInstance()
    .useBlinkPlanner()
    .inStreamingMode()
    .build();
StreamTableEnvironment tableEnv = StreamTableEnvironment.create(env, settings);

// Execute SQL queries
Table result = tableEnv.sqlQuery("SELECT * FROM source_table WHERE value > 100");

public final class BlinkPlannerFactory implements PlannerFactory {
  public Planner create(Map<String, String> properties, Executor executor, 
                       TableConfig tableConfig, FunctionCatalog functionCatalog, 
                       CatalogManager catalogManager);
}

public final class BlinkExecutorFactory implements ExecutorFactory {
  public Executor create(Map<String, String> properties);
}

abstract class PlannerBase extends Planner {
  def translateToRel(modifyOperation: ModifyOperation): RelNode
  def optimize(relNodes: Seq[RelNode]): Seq[RelNode]
  def translateToPlan(execGraph: ExecNodeGraph): util.List[Transformation[_]]
}

class StreamPlanner extends PlannerBase
class BatchPlanner extends PlannerBase

object CalcCodeGenerator {
  def generateCalcOperator(
    ctx: CodeGeneratorContext,
    inputTransform: Transformation[RowData],
    outputType: RowType,
    projection: Seq[RexNode],
    condition: Option[RexNode],
    retainHeader: Boolean = false,
    opName: String
  ): CodeGenOperatorFactory[RowData]
}

object ProjectionCodeGenerator {
  def generateProjection(
    ctx: CodeGeneratorContext,
    name: String,
    inType: RowType,
    outType: RowType,
    inputMapping: Array[Int],
    outClass: Class[_ <: RowData] = classOf[BinaryRowData]
  ): GeneratedProjection
}

object UserDefinedFunctionUtils {
  def checkForInstantiation(clazz: Class[_]): Unit
  def checkNotSingleton(clazz: Class[_]): Unit
  def getEvalMethodSignature(function: UserDefinedFunction, expectedTypes: Array[LogicalType]): Method
}

class AggSqlFunction extends SqlFunction
class ScalarSqlFunction extends SqlFunction  
class TableSqlFunction extends SqlFunction

// Expression conversion and validation
trait ExpressionConverter {
  def convertToRexNode(expression: Expression): RexNode
  def convertToExpression(rexNode: RexNode): Expression
}

// Catalog integration through standard Flink interfaces
// Implemented via CatalogManager and FunctionCatalog parameters

// Core planner configuration
public class EnvironmentSettings {
  public static final String STREAMING_MODE = "table.exec.mode.streaming";
  public static final String CLASS_NAME = "table.exec.planner-factory";
}

// Execution graph representation  
public class ExecNodeGraph {
  public List<ExecNode<?>> getRootNodes();
  public void accept(ExecNodeVisitor visitor);
}

// Transformation representation
public abstract class Transformation<T> {
  public String getName();
  public TypeInformation<T> getOutputType();
}