org.springframework.data.solr.core.query.SimpleFacetQuery.java Source code

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Here is the source code for org.springframework.data.solr.core.query.SimpleFacetQuery.java

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/*
 * Copyright 2012-2019 the original author or authors.
 *
 * 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
 *
 * https://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.springframework.data.solr.core.query;

import org.springframework.data.domain.Pageable;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;

/**
 * Trivial implementation of {@link FacetQuery}
 * 
 * @author Christoph Strobl
 */
public class SimpleFacetQuery extends SimpleQuery implements FacetQuery {

    private @Nullable FacetOptions facetOptions;

    public SimpleFacetQuery() {
        super();
    }

    public SimpleFacetQuery(Criteria criteria) {
        this(criteria, null);
    }

    public SimpleFacetQuery(Criteria criteria, @Nullable Pageable pageable) {
        super(criteria, pageable);
    }

    @SuppressWarnings("unchecked")
    @Override
    public final <T extends SolrDataQuery> T setFacetOptions(FacetOptions facetOptions) {
        if (facetOptions != null) {
            Assert.isTrue(facetOptions.hasFacets(), "Cannot set facet options having neither fields nor queries.");
        }
        this.facetOptions = facetOptions;
        return (T) this;
    }

    @Nullable
    @Override
    public FacetOptions getFacetOptions() {
        return this.facetOptions;
    }

    @Override
    public boolean hasFacetOptions() {
        return this.getFacetOptions() != null;
    }

}