content: /*
   * Copyright (C) 2020 ActiveJ LLC.
   *
   * 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.activej.crdt.storage.cluster;
  
  import io.activej.common.exception.MalformedDataException;
  import org.jetbrains.annotations.Nullable;
  
  import java.net.InetSocketAddress;
  import java.util.Objects;
  
  import static io.activej.common.StringFormatUtils.parseInetSocketAddressResolving;
  
  public final class PartitionId {
  	private final String id;
  	private final @Nullable InetSocketAddress crdtAddress;
  	private final @Nullable InetSocketAddress rpcAddress;
  
  	private PartitionId(String id, @Nullable InetSocketAddress crdtAddress, @Nullable InetSocketAddress rpcAddress) {
  		this.id = id;
  		this.crdtAddress = crdtAddress;
  		this.rpcAddress = rpcAddress;
  	}
  
  	public static PartitionId of(String id) {
  		return new PartitionId(id, null, null);
  	}
  
  	public static PartitionId of(String id, @Nullable InetSocketAddress crdt, @Nullable InetSocketAddress rpc) {
  		return new PartitionId(id, crdt, rpc);
  	}
  
  	public static PartitionId ofCrdtAddress(String id, InetSocketAddress crdtAddress) {
  		return new PartitionId(id, crdtAddress, null);
  	}
  
  	public static PartitionId ofRpcAddress(String id, InetSocketAddress rpcAddress) {
  		return new PartitionId(id, null, rpcAddress);
  	}
  
  	public static PartitionId parseString(String string) throws MalformedDataException {
  		String[] split = string.split("\\|");
  		if (split.length > 3) {
  			throw new MalformedDataException("");
  		}
  		String id = split[0];
  		InetSocketAddress crdtAddress = split.length > 1 && !split[1].trim().isEmpty() ? parseInetSocketAddressResolving(split[1]) : null;
  		InetSocketAddress rpcAddress = split.length > 2 && !split[2].trim().isEmpty() ? parseInetSocketAddressResolving(split[2]) : null;
  
  		return new PartitionId(id, crdtAddress, rpcAddress);
  	}
  
  	public String getId() {
  		return id;
  	}
  
  	@SuppressWarnings("NullableProblems")
  	public InetSocketAddress getCrdtAddress() {
  		return crdtAddress;
  	}
  
  	@SuppressWarnings("NullableProblems")
  	public InetSocketAddress getRpcAddress() {
  		return rpcAddress;
  	}
  
  	private static String addressToString(@Nullable InetSocketAddress address) {
  		return address == null ?
  			"" :
  			address.getAddress().getHostAddress() + ":" + address.getPort();
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (this == o) return true;
  		if (o == null || getClass() != o.getClass()) return false;
  		PartitionId pid = (PartitionId) o;
  		return Objects.equals(id, pid.id) && Objects.equals(crdtAddress, pid.crdtAddress) && Objects.equals(rpcAddress, pid.rpcAddress);
  	}
  
  	@Override
  	public int hashCode() {
  		return Objects.hash(id, crdtAddress, rpcAddress);
  	}
  
  	@Override
  	public String toString() {
  		return id + '|' + addressToString(crdtAddress) + '|' + addressToString(rpcAddress);
  	}
  }
  