de.hybris.platform.commerceservices.search.solrfacetsearch.querybuilder.impl.AbstractFreeTextQueryBuilder.java Source code

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Here is the source code for de.hybris.platform.commerceservices.search.solrfacetsearch.querybuilder.impl.AbstractFreeTextQueryBuilder.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2017 SAP SE or an SAP affiliate company.  All rights reserved.
 *
 * This software is the confidential and proprietary information of SAP
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with SAP.
 */
package de.hybris.platform.commerceservices.search.solrfacetsearch.querybuilder.impl;

import de.hybris.platform.commerceservices.search.solrfacetsearch.querybuilder.FreeTextQueryBuilder;
import de.hybris.platform.solrfacetsearch.config.IndexedProperty;
import de.hybris.platform.solrfacetsearch.search.RawQuery;
import de.hybris.platform.solrfacetsearch.search.SearchQuery;
import de.hybris.platform.solrfacetsearch.search.SearchQuery.Operator;

import org.apache.log4j.Logger;
import org.apache.solr.client.solrj.util.ClientUtils;

/**
 * Base class for building free text queries.
 */
public abstract class AbstractFreeTextQueryBuilder implements FreeTextQueryBuilder {
    private static final Logger LOG = Logger.getLogger(AbstractFreeTextQueryBuilder.class);

    protected void addFreeTextQuery(final SearchQuery searchQuery, final IndexedProperty indexedProperty,
            final String fullText, final String[] textWords, final int boost) {
        addFreeTextQuery(searchQuery, indexedProperty, fullText, boost * 2.0d);

        if (textWords != null && textWords.length > 1) {
            for (final String word : textWords) {
                addFreeTextQuery(searchQuery, indexedProperty, word, boost);
            }
        }
    }

    protected void addFreeTextQuery(final SearchQuery searchQuery, final IndexedProperty indexedProperty,
            final String value, final double boost) {
        final String field = indexedProperty.getName();
        if (!indexedProperty.isFacet()) {
            if ("text".equalsIgnoreCase(indexedProperty.getType())) {
                addFreeTextQuery(searchQuery, field, value.toLowerCase(), "", boost);
                addFreeTextQuery(searchQuery, field, value.toLowerCase(), "*", boost / 2.0d);
                addFreeTextQuery(searchQuery, field, value.toLowerCase(), "~", boost / 4.0d);
            } else {
                addFreeTextQuery(searchQuery, field, value, "", boost);
                addFreeTextQuery(searchQuery, field, value, "*", boost / 2.0d);
            }
        } else {
            LOG.warn("Not searching " + indexedProperty
                    + ". Free text search not available in facet property. Configure an additional text property for searching.");
        }
    }

    /**
     * Add a search term
     *
     * @param searchQuery
     *           the search query
     * @param field
     *           the field to search in
     * @param value
     *           the value to search for (not solr escaped)
     * @param suffixOp
     *           suffix field operator
     * @param boost
     *           the boost factor for the term
     */
    @SuppressWarnings("deprecation")
    protected void addFreeTextQuery(final SearchQuery searchQuery, final String field, final String value,
            final String suffixOp, final double boost) {
        final RawQuery rawQuery = new RawQuery(field, ClientUtils.escapeQueryChars(value) + suffixOp + "^" + boost,
                Operator.OR);
        searchQuery.addRawQuery(rawQuery);
    }
}