com.speedment.runtime.config.identifier.DbmsIdentifier Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
/**
*
* Copyright (c) 2006-2017, Speedment, Inc. All Rights Reserved.
*
* 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 com.speedment.runtime.config.identifier;
import com.speedment.runtime.config.identifier.trait.HasDbmsName;
import com.speedment.runtime.config.internal.identifier.DbmsIdentifierImpl;
import com.speedment.runtime.config.util.DocumentDbUtil;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* Identifies a particular Schema. The identifier is an immutable non-complex
* object that only contains the names of the nodes required to uniquely
* identify it in the database.
*
* To find the actual documents referred to by the identifier, the following
* utility methods can be used:
*
*
* - DocumentDbUtil#referencedSchema(Project, Project, TableIdentifier)
*
- DocumentDbUtil#referencedDbms(Project, TableIdentifier)
*
*
* @param the entity type
*
* @author Per Minborg
* @since 3.0.1
* @see DocumentDbUtil
*/
public interface DbmsIdentifier extends HasDbmsName {
class Hidden {
private static final Map, DbmsIdentifier> INTERNED = new ConcurrentHashMap<>();
}
static DbmsIdentifier of(String dbmsName) {
final DbmsIdentifier newId = new DbmsIdentifierImpl<>(dbmsName);
Hidden.INTERNED.putIfAbsent(newId, newId);
@SuppressWarnings("unchecked")
final DbmsIdentifier result = (DbmsIdentifier) Hidden.INTERNED.get(newId);
return result;
}
}