Examples with MCRQueryCondition org.mycore.services.fieldquery.MCRQueryCondition used on opensource projects

Example 1 with MCRQueryCondition

use of org.mycore.services.fieldquery.MCRQueryCondition in project mycore by MyCoRe-Org.

the class MCRConditionTransformer method getIndex.

/**
 * Returns the ID of the index of all fields referenced in this condition.
 * If the fields come from multiple indexes, the constant mixed is returned.
 */
@SuppressWarnings("rawtypes")
private static String getIndex(MCRCondition cond) {
    if (cond instanceof MCRQueryCondition) {
        MCRQueryCondition queryCondition = ((MCRQueryCondition) cond);
        String fieldName = queryCondition.getFieldName();
        return getIndex(fieldName);
    } else if (cond instanceof MCRNotCondition) {
        return getIndex(((MCRNotCondition) cond).getChild());
    }
    @SuppressWarnings("unchecked") List<MCRCondition> children = ((MCRSetCondition) cond).getChildren();
    // mixed indexes here!
    return children.stream().map(MCRConditionTransformer::getIndex).reduce((l, r) -> l.equals(r) ? l : mixed).get();
}

Example 2 with MCRQueryCondition

use of org.mycore.services.fieldquery.MCRQueryCondition in project mycore by MyCoRe-Org.

the class MCRQLSearchUtils method buildDefaultQuery.

/**
 * Search in default search field specified by MCR.SearchServlet.DefaultSearchField
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static MCRQuery buildDefaultQuery(String search, String defaultSearchField) {
    String[] fields = defaultSearchField.split(" *, *");
    MCROrCondition queryCondition = new MCROrCondition();
    for (String fDef : fields) {
        MCRCondition condition = new MCRQueryCondition(fDef, "=", search);
        queryCondition.addChild(condition);
    }
    return new MCRQuery(MCRQueryParser.normalizeCondition(queryCondition));
}

Example 3 with MCRQueryCondition

use of org.mycore.services.fieldquery.MCRQueryCondition in project mycore by MyCoRe-Org.

the class MCRQLSearchUtils method buildNameValueQuery.

/**
 * Search using name=value pairs from HTTP request
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static MCRQuery buildNameValueQuery(HttpServletRequest req) {
    MCRAndCondition condition = new MCRAndCondition();
    for (Enumeration<String> names = req.getParameterNames(); names.hasMoreElements(); ) {
        String name = names.nextElement();
        if (name.endsWith(".operator")) {
            continue;
        }
        if (name.contains(".sortField")) {
            continue;
        }
        if (SEARCH_PARAMETER.contains(name)) {
            continue;
        }
        if (name.startsWith("XSL.")) {
            continue;
        }
        String[] values = req.getParameterValues(name);
        MCRSetCondition parent = condition;
        if ((values.length > 1) || name.contains(",")) {
            // Multiple fields with same name, combine with OR
            parent = new MCROrCondition();
            condition.addChild(parent);
        }
        for (String fieldName : name.split(",")) {
            String operator = getReqParameter(req, fieldName + ".operator", "=");
            for (String value : values) {
                parent.addChild(new MCRQueryCondition(fieldName, operator, value));
            }
        }
    }
    if (condition.getChildren().isEmpty()) {
        throw new MCRUsageException("Missing query condition");
    }
    return new MCRQuery(MCRQueryParser.normalizeCondition(condition));
}

Example 4 with MCRQueryCondition

use of org.mycore.services.fieldquery.MCRQueryCondition in project mycore by MyCoRe-Org.

the class MCRConditionTransformerTest method testToSolrQueryString.

@Test
public final void testToSolrQueryString() {
    HashSet<String> usedFields = new HashSet<>();
    MCRQueryCondition inner1 = new MCRQueryCondition("objectType", "=", "mods");
    assertEquals("+objectType:\"mods\"", MCRConditionTransformer.toSolrQueryString(inner1, usedFields));
    assertTrue("usedFields did not contain 'objectType'", usedFields.contains("objectType"));
    MCRQueryCondition inner2 = new MCRQueryCondition("objectType", "=", "cbu");
    MCROrCondition<Void> orCond = new MCROrCondition<>(inner1, inner2);
    usedFields.clear();
    // MCR-973 check for surrounding brackets on single OR query
    assertEquals("+(objectType:\"mods\" objectType:\"cbu\")", MCRConditionTransformer.toSolrQueryString(orCond, usedFields));
    assertTrue("usedFields did not contain 'objectType'", usedFields.contains("objectType"));
    MCRQueryCondition inner3 = new MCRQueryCondition("derCount", ">", "0");
    MCRAndCondition<Void> andCondition = new MCRAndCondition<>(orCond, inner3);
    usedFields.clear();
    assertEquals("+(objectType:\"mods\" objectType:\"cbu\") +derCount:{0 TO *]", MCRConditionTransformer.toSolrQueryString(andCondition, usedFields));
    assertTrue("usedFields did not contain 'objectType'", usedFields.contains("objectType"));
    assertTrue("usedFields did not contain 'derCount'", usedFields.contains("derCount"));
    inner3.setOperator(">=");
    assertEquals("+(objectType:\"mods\" objectType:\"cbu\") +derCount:[0 TO *]", MCRConditionTransformer.toSolrQueryString(andCondition, usedFields));
    inner3.setOperator("<");
    assertEquals("+(objectType:\"mods\" objectType:\"cbu\") +derCount:[* TO 0}", MCRConditionTransformer.toSolrQueryString(andCondition, usedFields));
    inner3.setOperator("<=");
    assertEquals("+(objectType:\"mods\" objectType:\"cbu\") +derCount:[* TO 0]", MCRConditionTransformer.toSolrQueryString(andCondition, usedFields));
    MCRNotCondition<Void> notCond = new MCRNotCondition<>(orCond);
    andCondition.getChildren().remove(0);
    andCondition.getChildren().add(0, notCond);
    assertEquals("-(objectType:\"mods\" objectType:\"cbu\") +derCount:[* TO 0]", MCRConditionTransformer.toSolrQueryString(andCondition, usedFields));
}