ConcurrentHashMapStorageProvider.java
/*
* Copyright 2020 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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.keycloak.models.map.storage.chm;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.SingleUseObjectValueModel;
import org.keycloak.models.map.common.AbstractEntity;
import org.keycloak.models.map.common.SessionAttributesUtils;
import org.keycloak.models.map.common.UpdatableEntity;
import org.keycloak.models.map.storage.CrudOperations;
import org.keycloak.models.map.storage.MapStorage;
import org.keycloak.models.map.storage.MapStorageProvider;
import org.keycloak.models.map.storage.MapStorageProviderFactory.Flag;
import static org.keycloak.models.map.storage.chm.ConcurrentHashMapStorageProviderFactory.CLONER;
/**
*
* @author hmlnarik
*/
public class ConcurrentHashMapStorageProvider implements MapStorageProvider {
private final KeycloakSession session;
private final ConcurrentHashMapStorageProviderFactory factory;
private final int factoryId;
public ConcurrentHashMapStorageProvider(KeycloakSession session, ConcurrentHashMapStorageProviderFactory factory, int factoryId) {
this.session = session;
this.factory = factory;
this.factoryId = factoryId;
}
@Override
public void close() {
}
@Override
@SuppressWarnings("unchecked")
public <V extends AbstractEntity, M> MapStorage<V, M> getMapStorage(Class<M> modelType, Flag... flags) {
return SessionAttributesUtils.createMapStorageIfAbsent(session, getClass(), modelType, factoryId, () -> {
ConcurrentHashMapStorage store = getMapStorage(modelType, factory.getStorage(modelType, flags));
session.getTransactionManager().enlist(store);
return store;
});
}
private <K, V extends AbstractEntity & UpdatableEntity, M> ConcurrentHashMapStorage getMapStorage(Class<?> modelType, ConcurrentHashMapCrudOperations<K, V, M> crud) {
if (modelType == SingleUseObjectValueModel.class) {
return new SingleUseObjectMapStorage(crud, factory.getKeyConverter(modelType), CLONER, MapFieldPredicates.getPredicates(modelType));
}
return new ConcurrentHashMapStorage(crud, factory.getKeyConverter(modelType), CLONER, MapFieldPredicates.getPredicates(modelType));
}
}