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The official Couchbase Java SDK

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/*
 * Copyright (c) 2016 Couchbase, Inc.
 *
 * Licensed 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 com.couchbase.client.java.search.queries;

import com.couchbase.client.core.api.search.CoreSearchQuery;
import com.couchbase.client.core.api.search.queries.CoreDisjunctionQuery;
import com.couchbase.client.java.search.SearchQuery;
import reactor.util.annotation.Nullable;

/**
 * A compound FTS query that performs a logical OR between all its sub-queries (disjunction).
 * It requires that a minimum of the queries match. The {@link #min(int) minimum} is configurable (default 1).
 *
 * @author Simon Baslé
 * @author Michael Nitschinger
 * @since 2.3.0
 */
public class DisjunctionQuery extends AbstractCompoundQuery {

    private @Nullable Integer min;

    public DisjunctionQuery(SearchQuery... queries) {
        super(queries);
    }

    @Override
    public DisjunctionQuery boost(double boost) {
        super.boost(boost);
        return this;
    }

    public DisjunctionQuery min(int min) {
        this.min = min;
        return this;
    }

    public DisjunctionQuery or(SearchQuery... queries) {
        super.addAll(queries);
        return this;
    }

    @Override
    public CoreDisjunctionQuery toCore() {
        return new CoreDisjunctionQuery(childQueriesAsCore(), min, boost);
    }
}