/*
 * 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.internal.cluster.management.configuration;

import org.apache.ignite.configuration.annotation.Config;
import org.apache.ignite.configuration.annotation.InjectedName;
import org.apache.ignite.configuration.annotation.InjectedValue;

/**
 * Node's attribute configuration schema. User can specify any number of pairs (key, attribute) for a node through the local configuration
 * of a node, and also can specify a filter through the SQL syntax of distribution zones. Any time data nodes will be recalculated,
 * corresponding filter will be applied to set of nodes with pre-defined attributes.
 *
 * @see <a href="https://github.com/apache/ignite-3/blob/main/modules/distribution-zones/tech-notes/filters.md">Filter documentation</a>
 */
@Config
public class NodeAttributeConfigurationSchema {
    /** Name of the node attribute. */
    @InjectedName
    public String name;

    /** Node attribute field. */
    @InjectedValue(hasDefault = true)
    public String attribute = "";
}
