SecondaryIndexStoreProvider.java

/**
 * Copyright 2014 Sunny Gleason and original author or authors
 *
 * 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 io.kazuki.v0.store.index;

import io.kazuki.v0.internal.availability.AvailabilityManager;
import io.kazuki.v0.internal.helper.LockManager;
import io.kazuki.v0.store.keyvalue.KeyValueStore;
import io.kazuki.v0.store.keyvalue.KeyValueStoreConfiguration;
import io.kazuki.v0.store.management.KazukiComponent;
import io.kazuki.v0.store.schema.SchemaStore;
import io.kazuki.v0.store.sequence.SequenceService;

import javax.inject.Inject;
import javax.inject.Singleton;
import javax.sql.DataSource;

import org.skife.jdbi.v2.IDBI;

import com.google.inject.Injector;
import com.google.inject.Provider;

@Singleton
public class SecondaryIndexStoreProvider implements Provider<SecondaryIndexSupport> {
  private final SecondaryIndexSupport instance;
  private final Injector inject;

  @Inject
  public SecondaryIndexStoreProvider(KeyValueStoreConfiguration kvConfig,
      AvailabilityManager availability, LockManager lockManager,
      KazukiComponent<DataSource> dataSource, IDBI database, SequenceService sequences,
      SchemaStore schemaStore, KeyValueStore kvStore, SecondaryIndexTableHelper tableHelper,
      Injector injector) {
    this.inject = injector;

    if (kvConfig.isSecondaryIndex()) {
      this.instance =
          new SecondaryIndexStoreJdbiImpl(availability, lockManager, dataSource, database,
              sequences, schemaStore, kvStore, tableHelper, kvConfig.getGroupName(),
              kvConfig.getStoreName(), kvConfig.getPartitionName());
    } else {
      this.instance =
          new SecondaryIndexStoreBruteForceImpl(kvConfig, sequences, kvStore, schemaStore);
    }

    this.inject.injectMembers(instance);
  }

  public SecondaryIndexSupport get() {
    return instance;
  }
}