| /* |
| * Copyright 2015, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package io.grpc; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.google.common.base.Objects; |
| |
| import java.net.SocketAddress; |
| |
| import javax.annotation.concurrent.Immutable; |
| |
| /** |
| * The information about a server from a {@link NameResolver}. |
| */ |
| @ExperimentalApi("https://github.com/grpc/grpc-java/issues/1770") |
| @Immutable |
| public final class ResolvedServerInfo { |
| private final SocketAddress address; |
| private final Attributes attributes; |
| |
| /** |
| * Constructs a new resolved server without attributes. |
| * |
| * @param address the address of the server |
| */ |
| public ResolvedServerInfo(SocketAddress address) { |
| this(address, Attributes.EMPTY); |
| } |
| |
| /** |
| * Constructs a new resolved server with attributes. |
| * |
| * @param address the address of the server |
| * @param attributes attributes associated with this address. |
| */ |
| public ResolvedServerInfo(SocketAddress address, Attributes attributes) { |
| this.address = checkNotNull(address); |
| this.attributes = checkNotNull(attributes); |
| } |
| |
| /** |
| * Returns the address. |
| */ |
| public SocketAddress getAddress() { |
| return address; |
| } |
| |
| /** |
| * Returns the associated attributes. |
| */ |
| public Attributes getAttributes() { |
| return attributes; |
| } |
| |
| @Override |
| public String toString() { |
| return "[address=" + address + ", attrs=" + attributes + "]"; |
| } |
| |
| /** |
| * Returns true if the given object is also a {@link ResolvedServerInfo} with an equal address |
| * and equal attribute values. |
| * |
| * <p>Note that if a resolver includes mutable values in the attributes, it is possible for two |
| * objects to be considered equal at one point in time and not equal at another (due to concurrent |
| * mutation of attribute values). |
| * |
| * @param o an object. |
| * @return true if the given object is a {@link ResolvedServerInfo} with an equal address and |
| * equal attributes. |
| */ |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| ResolvedServerInfo that = (ResolvedServerInfo) o; |
| return Objects.equal(address, that.address) && Objects.equal(attributes, that.attributes); |
| } |
| |
| /** |
| * Returns a hash code for the server info. |
| * |
| * <p>Note that if a resolver includes mutable values in the attributes, this object's hash code |
| * could change over time. So care must be used when putting these objects into a set or using |
| * them as keys for a map. |
| * |
| * @return a hash code for the server info, computed as described above. |
| */ |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(address, attributes); |
| } |
| } |