com.facebook.hive.metastore.client.GuiceHiveMetastoreFactory.java Source code

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Here is the source code for com.facebook.hive.metastore.client.GuiceHiveMetastoreFactory.java

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/*
 * Copyright (C) 2013 Facebook, Inc.
 *
 * 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.facebook.hive.metastore.client;

import com.facebook.swift.service.ThriftClient;
import com.google.common.collect.ImmutableSet;
import com.google.common.net.HostAndPort;
import com.google.inject.Inject;

import java.util.Set;

import static com.google.common.base.Preconditions.checkNotNull;

public class GuiceHiveMetastoreFactory implements HiveMetastoreFactory {
    private final HiveMetastoreClientConfig hiveMetastoreClientConfig;
    private final ThriftClient<HiveMetastore> thriftClient;

    @Inject
    GuiceHiveMetastoreFactory(final HiveMetastoreClientConfig hiveMetastoreClientConfig,
            final ThriftClient<HiveMetastore> thriftClient) {
        this.hiveMetastoreClientConfig = checkNotNull(hiveMetastoreClientConfig, "hiveMetastoreConfig is null");
        this.thriftClient = checkNotNull(thriftClient, "thiftClient is null");
    }

    @Override
    public HiveMetastore getDefaultClient() {
        return new RetryingHiveMetastore(ImmutableSet.of(hiveMetastoreClientConfig.getHostAndPort()),
                hiveMetastoreClientConfig, thriftClient);
    }

    @Override
    public HiveMetastore getClientForHost(final HostAndPort hostAndPort) {
        return new RetryingHiveMetastore(ImmutableSet.of(hostAndPort), hiveMetastoreClientConfig, thriftClient);
    }

    @Override
    public HiveMetastore getClientForHost(final HiveMetastoreClientConfig config) {
        return new RetryingHiveMetastore(ImmutableSet.of(config.getHostAndPort()), config, thriftClient);
    }

    @Override
    public HiveMetastore get() {
        return getDefaultClient();
    }

    @Override
    public HiveMetastore getClientForHost(Set<HostAndPort> hostAndPorts) {
        return new RetryingHiveMetastore(hostAndPorts, hiveMetastoreClientConfig, thriftClient);
    }

    @Override
    public HiveMetastore getClientForHost(Set<HostAndPort> hostAndPorts, HiveMetastoreClientConfig config) {
        return new RetryingHiveMetastore(hostAndPorts, config, thriftClient);
    }
}