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/*
* SPDX-License-Identifier: Apache-2.0
* Copyright 2018-2019 The Feast 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
*
* https://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 feast.core.model;
import static feast.common.models.Store.convertStringToSubscription;
import static feast.common.models.Store.parseSubscriptionFrom;
import com.google.protobuf.InvalidProtocolBufferException;
import feast.proto.core.StoreProto;
import feast.proto.core.StoreProto.Store.Builder;
import feast.proto.core.StoreProto.Store.RedisClusterConfig;
import feast.proto.core.StoreProto.Store.RedisConfig;
import feast.proto.core.StoreProto.Store.StoreType;
import feast.proto.core.StoreProto.Store.Subscription;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.Table;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
@AllArgsConstructor
@Entity
@Table(name = "stores")
public class Store {
// Name of the store. Must be unique
@Id
@Column(name = "name", nullable = false, unique = true)
private String name;
// Type of the store, should map to feast.core.Store.StoreType
@Column(name = "type", nullable = false)
private String type;
// Connection string to the database
@Column(name = "config", nullable = false)
@Lob
private byte[] config;
// FeatureSets this store is subscribed to, comma delimited.
@Column(name = "subscriptions")
private String subscriptions;
public Store() {
super();
}
public static Store fromProto(StoreProto.Store storeProto) throws IllegalArgumentException {
List<String> subs = new ArrayList<>();
for (Subscription s : storeProto.getSubscriptionsList()) {
subs.add(parseSubscriptionFrom(s));
}
byte[] config;
switch (storeProto.getType()) {
case REDIS:
config = storeProto.getRedisConfig().toByteArray();
break;
case REDIS_CLUSTER:
config = storeProto.getRedisClusterConfig().toByteArray();
break;
default:
throw new IllegalArgumentException("Invalid store provided");
}
return new Store(
storeProto.getName(), storeProto.getType().toString(), config, String.join(",", subs));
}
public StoreProto.Store toProto() throws InvalidProtocolBufferException {
List<Subscription> subscriptionProtos = getSubscriptions();
Builder storeProtoBuilder =
StoreProto.Store.newBuilder()
.setName(name)
.setType(StoreType.valueOf(type))
.addAllSubscriptions(subscriptionProtos);
switch (StoreType.valueOf(type)) {
case REDIS:
RedisConfig redisConfig = RedisConfig.parseFrom(config);
return storeProtoBuilder.setRedisConfig(redisConfig).build();
case REDIS_CLUSTER:
RedisClusterConfig redisClusterConfig = RedisClusterConfig.parseFrom(config);
return storeProtoBuilder.setRedisClusterConfig(redisClusterConfig).build();
default:
throw new InvalidProtocolBufferException("Invalid store set");
}
}
/**
* Returns a List of Subscriptions.
*
* @return List of Subscription
*/
public List<Subscription> getSubscriptions() {
return Arrays.stream(subscriptions.split(","))
.map(s -> convertStringToSubscription(s))
.collect(Collectors.toList());
}
@Override
public int hashCode() {
return Objects.hash(this.name, this.type, this.subscriptions) ^ Arrays.hashCode(this.config);
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (getClass() != obj.getClass()) return false;
Store other = (Store) obj;
if (!name.equals(other.name)) {
return false;
} else if (!type.equals(other.type)) {
return false;
} else if (!Arrays.equals(config, config)) {
return false;
} else if (!subscriptions.equals(other.subscriptions)) {
return false;
}
return true;
}
}