org.apache.aurora.scheduler.storage.db.DbQuotaStore.java Source code

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Here is the source code for org.apache.aurora.scheduler.storage.db.DbQuotaStore.java

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/**
 * 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.apache.aurora.scheduler.storage.db;

import java.util.Map;
import java.util.stream.Collectors;

import com.google.common.base.Optional;
import com.google.inject.Inject;

import org.apache.aurora.scheduler.storage.QuotaStore;
import org.apache.aurora.scheduler.storage.db.views.DBResourceAggregate;
import org.apache.aurora.scheduler.storage.db.views.DBSaveQuota;
import org.apache.aurora.scheduler.storage.db.views.Pairs;
import org.apache.aurora.scheduler.storage.entities.IResourceAggregate;

import static java.util.Objects.requireNonNull;

import static org.apache.aurora.common.inject.TimedInterceptor.Timed;

/**
 * Quota store backed by a relational database.
 */
class DbQuotaStore implements QuotaStore.Mutable {

    private final QuotaMapper mapper;

    @Inject
    DbQuotaStore(QuotaMapper mapper) {
        this.mapper = requireNonNull(mapper);
    }

    @Timed("quota_store_fetch_quota")
    @Override
    public Optional<IResourceAggregate> fetchQuota(String role) {
        return Optional.fromNullable(mapper.select(role)).transform(DBResourceAggregate::toImmutable);
    }

    @Timed("quota_store_fetch_quotas")
    @Override
    public Map<String, IResourceAggregate> fetchQuotas() {
        return Pairs.toMap(mapper.selectAll().stream().map(DBSaveQuota::toImmutable).collect(Collectors.toList()));
    }

    @Timed("quota_store_delete_quotas")
    @Override
    public void deleteQuotas() {
        mapper.truncate();
    }

    @Timed("quota_store_remove_quota")
    @Override
    public void removeQuota(String role) {
        mapper.delete(role);
    }

    @Timed("quota_store_save_quota")
    @Override
    public void saveQuota(String role, IResourceAggregate quota) {
        mapper.delete(role);
        InsertResult quotaInsert = new InsertResult();
        mapper.insert(role, quota.newBuilder(), quotaInsert);
        mapper.insertResources(quotaInsert.getId(),
                Pairs.toMap(DBResourceAggregate.pairsFromResources(quota.getResources())));

    }
}