Package org.apache.calcite.adapter.pig

Class PigSchemaFactory

  • All Implemented Interfaces:
    SchemaFactory
    public class PigSchemaFactory
extends java.lang.Object
implements SchemaFactory
    Factory that creates a PigSchema.

    Allows a custom schema to be included in a model.json file.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static PigSchemaFactory INSTANCE
      Public singleton, per factory contract.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private PigSchemaFactory()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Schema create​(SchemaPlus parentSchema, java.lang.String name, java.util.Map<java.lang.String,​java.lang.Object> operand)
      Creates a Schema.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • INSTANCE

        public static final PigSchemaFactory INSTANCE
        Public singleton, per factory contract.

    • Constructor Detail

      • PigSchemaFactory

        private PigSchemaFactory()

    • Method Detail

      • create

        public Schema create​(SchemaPlus parentSchema,
                     java.lang.String name,
                     java.util.Map<java.lang.String,​java.lang.Object> operand)
        Description copied from interface: SchemaFactory
        Creates a Schema.
        Specified by:
        create in interface SchemaFactory
        Parameters:
        parentSchema - Parent schema
        name - Name of this schema
        operand - The "operand" JSON property
        Returns:
        Created schema