content: /*
   * Copyright 2012-2025 Aerospike, Inc.
   *
   * Portions may be licensed to Aerospike, Inc. under one or more contributor
   * license agreements WHICH ARE COMPATIBLE WITH THE APACHE LICENSE, VERSION 2.0.
   *
   * 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.aerospike.client.cluster;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.HashSet;
  
  import com.aerospike.client.AerospikeException;
  import com.aerospike.client.Host;
  
  public final class Peers {
  	public final ArrayList<Peer> peers;
  	public final HashMap<String,Node> nodes;
  	public final HashSet<Node> removeNodes;
  	private final HashSet<Host> invalidHosts;
  	public int refreshCount;
  	public boolean genChanged;
  
  	public Peers(int peerCapacity) {
  		peers = new ArrayList<Peer>(peerCapacity);
  		nodes = new HashMap<String,Node>(16);
  		removeNodes = new HashSet<Node>(8);
  		invalidHosts = new HashSet<Host>(8);
  	}
  
  	public boolean hasFailed(Host host) {
  		return invalidHosts.contains(host);
  	}
  
  	public void fail(Host host) {
  		invalidHosts.add(host);
  	}
  
  	public int getInvalidCount() {
  		return invalidHosts.size();
  	}
  
  	public void clusterInitError() {
  		StringBuilder sb = new StringBuilder();
  		sb.append("Peers not reachable: ");
  
  		boolean comma = false;
  
  		for (Host host : invalidHosts) {
  			if (comma) {
  				sb.append(", ");
  			}
  			else {
  				comma = true;
  			}
  			sb.append(host);
  		}
  		throw new AerospikeException(sb.toString());
  	}
  }
  