| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.ignite.client; |
| |
| /** |
| * This interface provides a list of addresses of Ignite server nodes within a cluster. Thin client uses the list to |
| * route user requests. There are cases when the list is not static, for example in cloud environment. In such cases |
| * addresses of nodes and/or number of server nodes can change. Implementation of this interface should handle these. |
| * |
| * Ignite waits for a topology change to trigger {@link #getAddresses()}. There are two modes of how soon Ignite calls |
| * it, lazy and eager, depending on whether the partition awareness feature is enabled. If the feature is enabled then |
| * Ignite calls the method for every topology change. Otherwise Ignite uses previous addresses until a first failure. |
| * |
| * {@link org.apache.ignite.configuration.ClientConfiguration#setPartitionAwarenessEnabled(boolean)} |
| * {@link org.apache.ignite.configuration.ClientConfiguration#setAddressesFinder(ClientAddressFinder)} |
| */ |
| public interface ClientAddressFinder { |
| /** |
| * Get addresses of Ignite server nodes within a cluster. An address can be IPv4 address or hostname, with or |
| * without port. If port is not set then Ignite will generate multiple addresses for default port range. See |
| * {@link org.apache.ignite.configuration.ClientConnectorConfiguration#DFLT_PORT}, |
| * {@link org.apache.ignite.configuration.ClientConnectorConfiguration#DFLT_PORT_RANGE}. |
| * |
| * @return Addresses of Ignite server nodes within a cluster. |
| */ |
| public String[] getAddresses(); |
| } |