Examples with InvocationEvaluator org.datanucleus.query.inmemory.InvocationEvaluator used on opensource projects

Example 1 with InvocationEvaluator

use of org.datanucleus.query.inmemory.InvocationEvaluator in project datanucleus-core by datanucleus.

the class QueryManagerImpl method getInMemoryEvaluatorForMethod.

/* (non-Javadoc)
     * @see org.datanucleus.store.query.QueryManager#getInMemoryEvaluatorForMethod(java.lang.Class, java.lang.String)
     */
@Override
public InvocationEvaluator getInMemoryEvaluatorForMethod(Class type, String methodName) {
    String lookupName = type != null ? (type.getName() + ":" + methodName) : methodName;
    // Hardcode support for Array.size()/Array.length()/Array.contains() since not currently pluggable
    if (type != null && type.isArray()) {
        lookupName = "ARRAY:" + methodName;
    }
    InvocationEvaluator eval = inmemoryQueryMethodEvaluatorByName.get(lookupName);
    if (eval != null) {
        return eval;
    }
    // Load built-in handler for this class+method
    ClassLoaderResolver clr = nucleusCtx.getClassLoaderResolver(type != null ? type.getClassLoader() : null);
    if (type == null) {
        if ("Math.abs".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.AbsFunction();
        if ("Math.sqrt".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.SqrtFunction();
        if ("Math.acos".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ArcCosineFunction();
        if ("Math.asin".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ArcSineFunction();
        if ("Math.atan".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ArcTangentFunction();
        if ("Math.cos".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CosineFunction();
        if ("Math.sin".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.SineFunction();
        if ("Math.tan".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TangentFunction();
        if ("Math.log".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.LogFunction();
        if ("Math.exp".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ExpFunction();
        if ("Math.floor".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.FloorFunction();
        if ("Math.ceil".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CeilFunction();
        if ("Math.toDegrees".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.DegreesFunction();
        if ("Math.toRadians".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.RadiansFunction();
        if ("CURRENT_DATE".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CurrentDateFunction();
        if ("CURRENT_TIME".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CurrentTimeFunction();
        if ("CURRENT_TIMESTAMP".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CurrentTimestampFunction();
        if ("ABS".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.AbsFunction();
        if ("SQRT".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.SqrtFunction();
        if ("MOD".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ModFunction();
        if ("COALESCE".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CoalesceFunction();
        if ("COS".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CosineFunction();
        if ("SIN".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.SineFunction();
        if ("TAN".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TangentFunction();
        if ("ACOS".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ArcCosineFunction();
        if ("ASIN".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ArcSineFunction();
        if ("ATAN".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ArcTangentFunction();
        if ("CEIL".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.CeilFunction();
        if ("FLOOR".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.FloorFunction();
        if ("LOG".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.LogFunction();
        if ("EXP".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ExpFunction();
        if ("NULLIF".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.NullIfFunction();
        if ("SIZE".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.SizeFunction();
        if ("UPPER".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.UpperFunction();
        if ("LOWER".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.LowerFunction();
        if ("LENGTH".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.LengthFunction();
        if ("CONCAT".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ConcatFunction();
        if ("SUBSTRING".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.SubstringFunction();
        if ("LOCATE".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.LocateFunction();
        if ("TRIM".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TrimFunction();
        if ("TRIM_LEADING".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TrimFunction();
        if ("TRIM_TRAILING".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TrimFunction();
        if ("DEGREES".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.DegreesFunction();
        if ("RADIANS".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.RadiansFunction();
        if ("YEAR".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TemporalYearMethod();
        if ("MONTH".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TemporalMonthMethod();
        if ("MONTH_JAVA".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TemporalMonthJavaMethod();
        if ("DAY".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TemporalDayMethod();
        if ("HOUR".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TemporalHourMethod();
        if ("MINUTE".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TemporalMinuteMethod();
        if ("SECOND".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.TemporalSecondMethod();
        if (eval != null) {
            inmemoryQueryMethodEvaluatorByName.put(lookupName, eval);
            return eval;
        }
    } else {
        if (type != null && type.isArray()) {
            if ("size".equals(methodName))
                eval = new ArraySizeMethod();
            if ("length".equals(methodName))
                eval = new ArraySizeMethod();
            if ("contains".equals(methodName))
                eval = new ArrayContainsMethod();
        } else if (type.isEnum()) {
            if ("matches".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.EnumMatchesMethod();
            if ("toString".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.EnumToStringMethod();
            if ("ordinal".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.EnumOrdinalMethod();
        } else if ("java.lang.String".equals(type.getName())) {
            if ("charAt".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringCharAtMethod();
            if ("concat".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringConcatMethod();
            if ("endsWith".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringEndsWithMethod();
            if ("equals".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringEqualsMethod();
            if ("equalsIgnoreCase".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringEqualsIgnoreCaseMethod();
            if ("indexOf".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringIndexOfMethod();
            if ("length".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringLengthMethod();
            if ("matches".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringMatchesMethod();
            if ("startsWith".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringStartsWithMethod();
            if ("substring".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringSubstringMethod();
            if ("toUpperCase".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringToUpperCaseMethod();
            if ("toLowerCase".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringToLowerCaseMethod();
            if ("trim".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringTrimMethod();
            if ("trimLeft".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringTrimLeftMethod();
            if ("trimRight".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.StringTrimRightMethod();
        } else if (java.util.Collection.class.isAssignableFrom(type)) {
            if ("size".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.ContainerSizeMethod();
            if ("isEmpty".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.ContainerIsEmptyMethod();
            if ("contains".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.CollectionContainsMethod();
        } else if (java.util.Map.class.isAssignableFrom(type)) {
            if ("size".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.ContainerSizeMethod();
            if ("isEmpty".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.ContainerIsEmptyMethod();
            if ("containsKey".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.MapContainsKeyMethod();
            if ("containsValue".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.MapContainsValueMethod();
            if ("containsEntry".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.MapContainsEntryMethod();
            if ("get".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.MapGetMethod();
        } else if (java.util.Optional.class.isAssignableFrom(type)) {
            if ("isPresent".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.OptionalIsPresentMethod();
            if ("get".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.OptionalGetMethod();
            if ("orElse".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.OptionalOrElseMethod();
        } else if (java.util.Date.class.isAssignableFrom(type)) {
            if ("getTime".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetTimeMethod();
            if ("getDay".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetDayMethod();
            if ("getDate".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetDayMethod();
            if ("getDayOfWeek".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetDayOfWeekMethod();
            if ("getMonth".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetMonthMethod();
            if ("getYear".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetYearMethod();
            if ("getHour".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetHoursMethod();
            if ("getMinute".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetMinutesMethod();
            if ("getSecond".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.DateGetSecondsMethod();
        } else if (java.time.LocalDate.class.isAssignableFrom(type)) {
            if ("getDayOfMonth".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateGetDayOfMonth();
            if ("getDayOfWeek".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateGetDayOfWeek();
            if ("getMonthValue".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateGetMonthValue();
            if ("getYear".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateGetYear();
        } else if (java.time.LocalTime.class.isAssignableFrom(type)) {
            if ("getHour".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalTimeGetHour();
            if ("getMinute".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalTimeGetMinute();
            if ("getSecond".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalTimeGetSecond();
        } else if (java.time.LocalDateTime.class.isAssignableFrom(type)) {
            if ("getDayOfMonth".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateTimeGetDayOfMonth();
            if ("getDayOfWeek".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateTimeGetDayOfWeek();
            if ("getMonthValue".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateTimeGetMonthValue();
            if ("getYear".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateTimeGetYear();
            if ("getHour".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateTimeGetHour();
            if ("getMinute".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateTimeGetMinute();
            if ("getSecond".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.LocalDateTimeGetSecond();
        } else if (java.time.MonthDay.class.isAssignableFrom(type)) {
            if ("getDayOfMonth".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.MonthDayGetDayOfMonth();
            if ("getMonthValue".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.MonthDayGetMonthValue();
        } else if (java.time.Period.class.isAssignableFrom(type)) {
            if ("getDays".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.PeriodGetDays();
            if ("getMonths".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.PeriodGetMonths();
            if ("getYears".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.PeriodGetYears();
        } else if (java.time.YearMonth.class.isAssignableFrom(type)) {
            if ("getYear".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.YearMonthGetYear();
            if ("getMonthValue".equals(methodName))
                eval = new org.datanucleus.query.inmemory.method.YearMonthGetMonthValue();
        }
        if (eval == null && java.lang.Object.class.isAssignableFrom(type) && "getClass".equals(methodName))
            eval = new org.datanucleus.query.inmemory.method.ObjectGetClassMethod();
        if (eval != null) {
            inmemoryQueryMethodEvaluatorByName.put(lookupName, eval);
            return eval;
        }
    }
    // Fallback to the plugin mechanism
    PluginManager pluginMgr = nucleusCtx.getPluginManager();
    ConfigurationElement[] elems = pluginMgr.getConfigurationElementsForExtension("org.datanucleus.query_method_evaluators", "method", methodName);
    if (elems == null) {
        return null;
    }
    // TODO Lookup with class specified when type != null
    InvocationEvaluator requiredEvaluator = null;
    for (int i = 0; i < elems.length; i++) {
        try {
            String evalName = elems[i].getAttribute("evaluator");
            eval = (InvocationEvaluator) pluginMgr.createExecutableExtension("org.datanucleus.query_method_evaluators", new String[] { "method", "evaluator" }, new String[] { methodName, evalName }, "evaluator", null, null);
            String elemClsName = elems[i].getAttribute("class");
            if (elemClsName != null && StringUtils.isWhitespace(elemClsName)) {
                elemClsName = null;
            }
            if (elemClsName == null) {
                // Static method call
                if (type == null) {
                    // Evaluator is applicable to the required type
                    requiredEvaluator = eval;
                }
                inmemoryQueryMethodEvaluatorByName.put(lookupName, eval);
            } else {
                Class elemCls = clr.classForName(elemClsName);
                if (elemCls.isAssignableFrom(type)) {
                    // Evaluator is applicable to the required type
                    requiredEvaluator = eval;
                }
                inmemoryQueryMethodEvaluatorByName.put(lookupName, eval);
            }
        } catch (Exception e) {
        // Impossible to create the evaluator (class doesn't exist?) TODO Log this?
        }
    }
    return requiredEvaluator;
}