Package org.apache.calcite.model

Class JsonRoot

java.lang.Object

org.apache.calcite.model.JsonRoot

public class JsonRoot
extends Object

Root schema element.

A POJO with fields of Boolean, String, ArrayList, LinkedHashMap, per Jackson simple data binding.

Schema structure is as follows:

Root
   JsonSchema (in collection schemas)
     JsonType (in collection types)
     JsonTable (in collection tables)
       JsonColumn (in collection columns)
       JsonStream (in field stream)
     JsonView
     JsonFunction (in collection functions)
     JsonLattice (in collection lattices)
       JsonMeasure (in collection defaultMeasures)
       JsonTile (in collection tiles)
         JsonMeasure (in collection measures)
     JsonMaterialization (in collection materializations)
 

See the JSON model reference.

Field Summary

Fields

Modifier and Type	Field	Description
final @Nullable String	defaultSchema	Name of the schema that will become the default schema for connections to Calcite that use this model.
final List<JsonSchema>	schemas	List of schema elements.
final String	version	Schema model version number.

Constructor Summary

Constructors

Constructor	Description
JsonRoot(String version, @Nullable String defaultSchema)

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

version

public final String version

Schema model version number. Required, must have value "1.0".

defaultSchema

public final @Nullable String defaultSchema

Name of the schema that will become the default schema for connections to Calcite that use this model.

Optional, case-sensitive. If specified, there must be a schema in this model with this name.

schemas

public final List<JsonSchema> schemas

List of schema elements.

The list may be empty.

Constructor Details

JsonRoot

public JsonRoot(String version,
 @Nullable String defaultSchema)