docs/_docs/code-snippets/java/src/main/java/org/apache/ignite/snippets/BackupFilter.java

/*
 * 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
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package org.apache.ignite.snippets;

import org.apache.ignite.cache.affinity.rendezvous.ClusterNodeAttributeAffinityBackupFilter;
import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction;
import org.apache.ignite.configuration.CacheConfiguration;
import org.junit.jupiter.api.Test;

public class BackupFilter {

	@Test
	void backupFilter() {
		
		//tag::backup-filter[]
		CacheConfiguration<Integer, String> cacheCfg = new CacheConfiguration<Integer, String>("myCache");

		cacheCfg.setBackups(1);
		RendezvousAffinityFunction af = new RendezvousAffinityFunction();
		af.setAffinityBackupFilter(new ClusterNodeAttributeAffinityBackupFilter("AVAILABILITY_ZONE"));

		cacheCfg.setAffinity(af);
		//end::backup-filter[]
	}
}