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com.netflix.metacat.thrift.CatalogThriftServiceFactoryImpl Maven / Gradle / Ivy
/*
* Copyright 2016 Netflix, 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.netflix.metacat.thrift;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.netflix.metacat.common.server.api.v1.MetacatV1;
import com.netflix.metacat.common.server.api.v1.PartitionV1;
import com.netflix.metacat.common.server.properties.Config;
import com.netflix.spectator.api.Registry;
import java.util.Objects;
/**
* Thrift service factory.
*/
public class CatalogThriftServiceFactoryImpl implements CatalogThriftServiceFactory {
private final LoadingCache cache;
/**
* Constructor.
*
* @param config config
* @param hiveConverters hive converter
* @param metacatV1 Metacat V1
* @param partitionV1 Partition V1
* @param registry registry for spectator
*/
public CatalogThriftServiceFactoryImpl(
final Config config,
final HiveConverters hiveConverters,
final MetacatV1 metacatV1,
final PartitionV1 partitionV1,
final Registry registry
) {
this.cache = CacheBuilder.newBuilder()
.build(new CacheLoader() {
public CatalogThriftService load(final CacheKey key) {
return new CatalogThriftService(config, hiveConverters, metacatV1, partitionV1,
key.catalogName, key.portNumber, registry);
}
});
}
/**
* {@inheritDoc}
*/
@Override
public CatalogThriftService create(final String catalogName, final int portNumber) {
return cache.getUnchecked(new CacheKey(catalogName, portNumber));
}
private static final class CacheKey {
private final String catalogName;
private final int portNumber;
private CacheKey(final String catalogName, final int portNumber) {
this.catalogName = catalogName;
this.portNumber = portNumber;
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (!(o instanceof CacheKey)) {
return false;
}
final CacheKey cacheKey = (CacheKey) o;
return Objects.equals(portNumber, cacheKey.portNumber) && Objects.equals(catalogName, cacheKey.catalogName);
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return Objects.hash(catalogName, portNumber);
}
}
}