Example usage for javax.persistence TupleElement getAlias

Introduction

In this page you can find the example usage for javax.persistence TupleElement getAlias.

Prototype

String getAlias();

Source Link

Document

Return the alias assigned to the tuple element or null, if no alias has been assigned.

Usage

From source file:com.evanzeimet.queryinfo.jpa.result.AbstractTupleToPojoQueryInfoResultConverter.java

protected MethodHandle getMethodHandleForElement(TupleElement<?> element) throws QueryInfoException {
    String elementAlias = element.getAlias();
    String memberName = attributeUtils.convertAttributeNameToMemberName(elementAlias);
    Class<?> elementJavaType = element.getJavaType();

    MethodHandle result = findFieldSetterHandle(memberName, elementJavaType);

    if (result == null) {
        result = findFieldPutHandle(memberName, elementJavaType);
    }//  ww  w.  ja  va2  s  . c  o m

    if (result == null) {
        String message = String.format("Could not find accessible setter or field for attribute [%s]",
                elementAlias);
        throw new QueryInfoException(message);
    }

    return result;
}

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From source file:com.evanzeimet.queryinfo.jpa.result.AbstractTupleToPojoQueryInfoResultConverter.java

protected Map<String, MethodHandle> mapElementMethodHandles(List<TupleElement<?>> tupleElements)
        throws QueryInfoException {
    int elementCount = tupleElements.size();
    Map<String, MethodHandle> result = new HashMap<>(elementCount);

    Iterator<TupleElement<?>> elementIterator = tupleElements.iterator();

    while (elementIterator.hasNext()) {
        TupleElement<?> element = elementIterator.next();
        String elementAlias = element.getAlias();

        MethodHandle methodHandle = getMethodHandleForElement(element);

        result.put(elementAlias, methodHandle);
    }// ww  w. j  ava  2 s  . c  om

    return result;
}

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From source file:org.fornax.cartridges.sculptor.framework.accessimpl.jpa2.JpaHelper.java

/**
 *
 * @param <T>/* w w  w . j  a va 2 s . c o  m*/
 * @param tuple
 * @param object
 * @return
 */
public static <T> T mapTupleToObject(Tuple tuple, T object)
        throws IllegalAccessException, InvocationTargetException {
    assert tuple != null;
    assert object != null;
    try {
        for (TupleElement<?> element : tuple.getElements()) {
            if (element.getAlias() != null) {
                BeanUtils.setProperty(object, element.getAlias(), tuple.get(element.getAlias()));
            }
        }
        return object;
    } catch (Exception e) {
        log.error("mapTupleToObject not successful", e);
        throw new QueryConfigException("mapTupleToObject not successful");
    }
}

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