Package org.apache.flink.table.catalog

Class AbstractCatalogStore

java.lang.Object

org.apache.flink.table.catalog.AbstractCatalogStore

All Implemented Interfaces:

CatalogStore

@Internal
public abstract class AbstractCatalogStore
extends Object
implements CatalogStore

The AbstractCatalogStore class is an abstract base class for implementing a catalog store.

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	isOpen	Catalog store state.

Constructor Summary

Constructors

Constructor	Description
AbstractCatalogStore()

Method Summary

Modifier and Type	Method	Description
protected void	checkOpenState()	Checks whether the catalog store is currently open.
void	close()	Closes the catalog store.
void	open()	Opens the catalog store.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.catalog.CatalogStore

contains, getCatalog, listCatalogs, removeCatalog, storeCatalog

Field Details

isOpen

protected boolean isOpen

Catalog store state.

Constructor Details

AbstractCatalogStore

public AbstractCatalogStore()

Method Details

open

public void open()

Opens the catalog store.

Specified by:

open in interface CatalogStore

close

public void close()

Closes the catalog store.

Specified by:

close in interface CatalogStore

checkOpenState

protected void checkOpenState()

Checks whether the catalog store is currently open.

Throws:

IllegalStateException - if the store is closed