Package gudusoft.gsqlparser.ext.calcite.catalog.impl

Class SimpleCatalog

Object

gudusoft.gsqlparser.ext.calcite.catalog.impl.SimpleCatalog

All Implemented Interfaces:

Catalog

public class SimpleCatalog
extends Object
implements Catalog

Simple, mutable implementation of Catalog.

This implementation uses LinkedHashMap to maintain insertion order.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SimpleCatalog.SimpleColumn	Simple, mutable implementation of Column.
static class	SimpleCatalog.SimpleSchema	Simple, mutable implementation of Schema.
static class	SimpleCatalog.SimpleTable	Simple, mutable implementation of Table.

Constructor Summary

Constructors

Constructor	Description
SimpleCatalog(String name)

Method Summary

Modifier and Type	Method	Description
SimpleCatalog	addSchema(SimpleCatalog.SimpleSchema schema)	Adds a schema to this catalog.
SimpleCatalog.SimpleSchema	createSchema(String schemaName)	Creates and adds a new schema to this catalog.
@Nullable String	getDefaultSchemaName()	Returns the default schema name, or null if not set.
String	getName()	Returns the name of the catalog.
@Nullable Schema	getSchema(String schemaName)	Returns a schema by name, or null if not found.
List<String>	getSchemaNames()	Returns all schema names in this catalog.
List<Schema>	getSchemas()	Returns all schemas in this catalog.
@Nullable Table	getTable(String schemaName, String tableName)	Returns a table by qualified name (schema.table), or null if not found.
SimpleCatalog	setDefaultSchemaName(String defaultSchemaName)	Sets the default schema name.

Methods inherited from class java.lang.Object

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

Constructor Details

SimpleCatalog

public SimpleCatalog(String name)

Method Details

getName

public String getName()

Description copied from interface: Catalog

Returns the name of the catalog.

Specified by:

getName in interface Catalog

Returns:

Catalog name

getSchemas

public List<Schema> getSchemas()

Description copied from interface: Catalog

Returns all schemas in this catalog.

Specified by:

getSchemas in interface Catalog

Returns:

List of schemas

getSchema

public @Nullable Schema getSchema(String schemaName)

Description copied from interface: Catalog

Returns a schema by name, or null if not found.

Specified by:

getSchema in interface Catalog

Parameters:

schemaName - Schema name (case-sensitive)

Returns:

Schema, or null

getSchemaNames

public List<String> getSchemaNames()

Description copied from interface: Catalog

Returns all schema names in this catalog.

Specified by:

getSchemaNames in interface Catalog

Returns:

List of schema names

getTable

public @Nullable Table getTable(String schemaName,
 String tableName)

Description copied from interface: Catalog

Returns a table by qualified name (schema.table), or null if not found.

Specified by:

getTable in interface Catalog

Parameters:

schemaName - Schema name

tableName - Table name

Returns:

Table, or null

getDefaultSchemaName

public @Nullable String getDefaultSchemaName()

Description copied from interface: Catalog

Returns the default schema name, or null if not set.

Specified by:

getDefaultSchemaName in interface Catalog

Returns:

Default schema name, or null

addSchema

public SimpleCatalog addSchema(SimpleCatalog.SimpleSchema schema)

Adds a schema to this catalog.

Parameters:

schema - Schema to add

Returns:

This catalog (for chaining)

createSchema

public SimpleCatalog.SimpleSchema createSchema(String schemaName)

Creates and adds a new schema to this catalog.

Parameters:

schemaName - Schema name

Returns:

The newly created schema

setDefaultSchemaName

public SimpleCatalog setDefaultSchemaName(String defaultSchemaName)

Sets the default schema name.

Parameters:

defaultSchemaName - Default schema name

Returns:

This catalog (for chaining)