/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.kie.workbench.common.screens.datasource.management.backend.core;
import java.sql.Connection;
import org.kie.workbench.common.screens.datasource.management.model.DataSourceStatus;
/**
* Defines a data source managed by the data sources management system.
*/
public interface DataSource {
Connection getConnection() throws Exception;
DataSourceStatus getStatus();
boolean isReferenced();
boolean isStale();
boolean isNew();
/**
* Clients of a data source may be interested in listening data source events to be aware of changes
* in the data source configuration. When a data source becomes STALE clients should re-invoke the lookup
* operation in order to get a safe reference to the data source.
*/
void addDataSourceListener( DataSourceListener listener );
void removeDataSourceListener( DataSourceListener listener );
}