Package org.apache.openjpa.meta

Examples of org.apache.openjpa.meta.ValueMetaData

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        if (_cascades == null)
            cascades = _pkgCascades;
        if (cascades == null)
            return;

        ValueMetaData vmd = fmd;
        switch (_strategy) {
            case ONE_MANY:
            case MANY_MANY:
                vmd = fmd.getElement();
        }
        for (CascadeType cascade : cascades) {
            switch (cascade) {
                case PERSIST:
                    vmd.setCascadePersist(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
                case MERGE:
                    vmd.setCascadeAttach(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
                case DETACH:
                    vmd.setCascadeDetach(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
                case REMOVE:
                    vmd.setCascadeDelete(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
                case REFRESH:
                    vmd.setCascadeRefresh(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
            }
        }
        _cascades = null;
    }
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                if (md instanceof FieldMetaData) {
                    FieldMetaData fmd = (FieldMetaData)md;
                    fmd.addEmbeddedMetaData(access);
                }
                else if (md instanceof ValueMetaData) {
                    ValueMetaData vmd = (ValueMetaData)md;
                    vmd.addEmbeddedMetaData(access);
                }
            }
            applyDeferredEmbeddableOverrides(embedType);
            // Clean up deferrals after they have been processed
            fmds.clear();
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    private static ClassMetaData getFieldType(FieldMetaData fmd) {
        if (fmd == null)
            return null;

        ClassMetaData cmd = null;
        ValueMetaData vmd;

        if ((vmd = fmd.getElement()) != null)
            cmd = vmd.getDeclaredTypeMetaData();
        else if ((vmd = fmd.getKey()) != null)
            cmd = vmd.getDeclaredTypeMetaData();
        else if ((vmd = fmd.getValue()) != null)
            cmd = vmd.getDeclaredTypeMetaData();

        if (cmd == null || cmd.getDescribedType() == Object.class)
            cmd = fmd.getDeclaredTypeMetaData();
        if (cmd == null && fmd.isElementCollection())
            cmd = fmd.getDefiningMetaData();
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        if (anno.targetClass() != void.class)
            fmd.getElement().setDeclaredType(anno.targetClass());
        fmd.setInDefaultFetchGroup(anno.fetch() == FetchType.EAGER);
        fmd.setElementCollection(true);
        ValueMetaData elem = fmd.getElement();
        boolean isEnum = elem.getDeclaredType().isEnum();
        if (!isEnum && JavaTypes.maybePC(elem)) {
            elem.setEmbedded(true);
            if (elem.getEmbeddedMetaData() == null)
                elem.addEmbeddedMetaData(getAccessCode(elem.getDeclaredType()));
        }
    }
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            return;

        try {
            // dereference dependent fields, delete embedded
            FieldMetaData fmd = _meta.getField(field);
            ValueMetaData vmd = (key) ? fmd.getKey() : fmd.getElement();
            if (vmd.isEmbeddedPC())
                _single.delete(vmd, removed, null);
            else if (vmd.getCascadeDelete() == ValueMetaData.CASCADE_AUTO)
                _single.dereferenceDependent(removed);
        } catch (RuntimeException re) {
            throw translate(re);
        }
    }
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     * Return a new collection with the attached contents of the given one.
     */
    protected Collection attachCollection(AttachManager manager,
        Collection orig, OpenJPAStateManager sm, FieldMetaData fmd) {
        Collection coll = copyCollection(manager, orig, fmd, sm);
        ValueMetaData vmd = fmd.getElement();
        if (!vmd.isDeclaredTypePC())
            return coll;

        // unfortunately we have to clear the original and re-add
        coll.clear();
        Object elem;
        for (Iterator itr = orig.iterator(); itr.hasNext();) {
            if (vmd.getCascadeAttach() == ValueMetaData.CASCADE_NONE)
                elem = getReference(manager, itr.next(), sm, vmd);
            else
                elem = manager.attach(itr.next(), null, sm, vmd, false);
            coll.add(elem);
        }
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        OpenJPAStateManager sm, FieldMetaData fmd) {
        Map map = copyMap(manager, orig, fmd, sm);
        if (map == null)
            throw new UserException(_loc.get("not-copyable", fmd));

        ValueMetaData keymd = fmd.getKey();
        ValueMetaData valmd = fmd.getElement();
        if (!keymd.isDeclaredTypePC() && !valmd.isDeclaredTypePC())
            return map;

        // if we have to replace keys, just clear and re-add; otherwise
        // we can use the entry set to reset the values only
        Map.Entry entry;
        if (keymd.isDeclaredTypePC()) {
            map.clear();
            Object key, val;
            for (Iterator itr = orig.entrySet().iterator(); itr.hasNext();) {
                entry = (Map.Entry) itr.next();
                key = entry.getKey();
                if (keymd.getCascadeAttach() == ValueMetaData.CASCADE_NONE)
                    key = getReference(manager, key, sm, keymd);
                else
                    key = manager.attach(key, null, sm, keymd, false);
                val = entry.getValue();
                if (valmd.isDeclaredTypePC()) {
                    if (valmd.getCascadeAttach() == ValueMetaData.CASCADE_NONE)
                        val = getReference(manager, val, sm, valmd);
                    else
                        val = manager.attach(val, null, sm, valmd, false);
                }
                map.put(key, val);
            }
        } else {
            Object val;
            for (Iterator itr = map.entrySet().iterator(); itr.hasNext();) {
                entry = (Map.Entry) itr.next();
                if (valmd.getCascadeAttach() == ValueMetaData.CASCADE_NONE)
                    val = getReference(manager, entry.getValue(), sm, valmd);
                else
                    val = manager.attach(entry.getValue(), null, sm, valmd,
                        false);
                entry.setValue(val);
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        // populate an array copy on the initial assumption that the array
        // is dirty
        Object newa = Array.newInstance(fmd.getElement().getDeclaredType(),
            len);
        ValueMetaData vmd = fmd.getElement();
        boolean pc = vmd.isDeclaredTypePC();
        Object elem;
        for (int i = 0; i < len; i++) {
            elem = Array.get(frma, i);
            if (pc) {
                if (vmd.getCascadeAttach() == ValueMetaData.CASCADE_NONE)
                    elem = getReference(manager, elem, sm, vmd);
                else
                    elem = manager.attach(elem, null, sm, vmd, false);
            }
            diff = diff || !equals(elem, Array.get(toa, i), pc);
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        if (_cascades == null)
            cascades = _pkgCascades;
        if (cascades == null)
            return;

        ValueMetaData vmd = fmd;
        switch (_strategy) {
            case ONE_MANY:
            case MANY_MANY:
                vmd = fmd.getElement();
        }
        for (CascadeType cascade : cascades) {
            switch (cascade) {
                case PERSIST:
                    vmd.setCascadePersist(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
                case MERGE:
                    vmd.setCascadeAttach(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
                case REMOVE:
                    vmd.setCascadeDelete(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
                case REFRESH:
                    vmd.setCascadeRefresh(ValueMetaData.CASCADE_IMMEDIATE);
                    break;
            }
        }
        _cascades = null;
    }
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        if (anno.targetClass() != void.class)
            fmd.getElement().setDeclaredType(anno.targetClass());
        fmd.setInDefaultFetchGroup(anno.fetch() == FetchType.EAGER);
        fmd.setElementCollection(true);
        ValueMetaData elem = fmd.getElement();
        boolean isEnum = elem.getDeclaredType().isEnum();
        if (!isEnum && JavaTypes.maybePC(elem)) {
            elem.setEmbedded(true);
            if (elem.getEmbeddedMetaData() == null)
                elem.addEmbeddedMetaData(getAccessCode(elem.getDeclaredType()));
        }
    }
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Related Classes of org.apache.openjpa.meta.ValueMetaData

  • org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller
  • org.apache.openjpa.kernel.AttachStrategy
  • org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder
  • org.apache.openjpa.kernel.SingleFieldManager
  • org.apache.openjpa.kernel.StateManagerImpl
  • org.apache.openjpa.persistence.AnnotationPersistenceMetaDataParser
  • org.apache.openjpa.persistence.AnnotationPersistenceMetaDataSerializer
  • org.apache.openjpa.persistence.criteria.SubqueryImpl
  • org.apache.openjpa.persistence.XMLPersistenceMetaDataParser
  • org.apache.openjpa.persistence.XMLPersistenceMetaDataSerializer
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