Package org.apache.calcite.model

Class JsonCustomSchema

java.lang.Object

org.apache.calcite.model.JsonSchema

org.apache.calcite.model.JsonMapSchema

org.apache.calcite.model.JsonCustomSchema

public class JsonCustomSchema
extends JsonMapSchema

JSON schema element that represents a custom schema.

Like the base class JsonSchema, occurs within JsonRoot.schemas.

See Also:

• Description of schema elements

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.model.JsonSchema

JsonSchema.Type

Field Summary

Fields

Modifier and Type	Field	Description
final String	factory	Name of the factory class for this schema.
final @Nullable Map<String,Object>	operand	Contains attributes to be passed to the factory.

Fields inherited from class org.apache.calcite.model.JsonMapSchema

functions, tables, types

Fields inherited from class org.apache.calcite.model.JsonSchema

autoLattice, cache, lattices, materializations, name, path

Constructor Summary

Constructors

Constructor	Description
JsonCustomSchema(String name, @Nullable List<Object> path, @Nullable Boolean cache, @Nullable Boolean autoLattice, String factory, @Nullable Map<String,Object> operand)

Method Summary

Modifier and Type	Method	Description
void	accept(ModelHandler handler)
String	toString()

Methods inherited from class org.apache.calcite.model.JsonMapSchema

visitChildren

Methods inherited from class java.lang.Object

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

Field Details

factory

public final String factory

Name of the factory class for this schema.

Required. Must implement interface SchemaFactory and have a public default constructor.

operand

public final @Nullable Map<String,Object> operand

Contains attributes to be passed to the factory.

May be a JSON object (represented as Map) or null.

Constructor Details

JsonCustomSchema

public JsonCustomSchema(String name,
 @Nullable List<Object> path,
 @Nullable Boolean cache,
 @Nullable Boolean autoLattice,
 String factory,
 @Nullable Map<String,Object> operand)

Method Details

accept

public void accept(ModelHandler handler)

Overrides:

accept in class JsonMapSchema

toString

public String toString()

Overrides:

toString in class Object