docs/_docs/code-snippets/java/src/main/java/org/apache/ignite/snippets/MyNodeFilter.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 java.util.Collection;

import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.lang.IgnitePredicate;

//tag::node-filter-example[]
public class MyNodeFilter implements IgnitePredicate<ClusterNode> {

    // fill the collection with consistent IDs of the nodes you want to exclude
    private Collection<String> nodesToExclude;

    public MyNodeFilter(Collection<String> nodesToExclude) {
        this.nodesToExclude = nodesToExclude;
    }

    @Override
    public boolean apply(ClusterNode node) {
        return nodesToExclude == null || !nodesToExclude.contains(node.consistentId());
    }
}

//end::node-filter-example[]