Package org.apache.openjpa.meta

Examples of org.apache.openjpa.meta.FieldMetaData$MemberProvider

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     */
    boolean loadFields(BitSet fields, FetchConfiguration fetch, int lockLevel,
        Object sdata) {
        // can't load version field from store
        if (fields != null) {
            FieldMetaData vfield = _meta.getVersionField();
            if (vfield != null)
                fields.clear(vfield.getIndex());
        }

        boolean ret = false;
        setLoading(true);
        try {
            // if any fields given, load them
            int len = (fields == null) ? 0 : fields.length();
            if (len > 0) {
                if (fetch == null)
                    fetch = _broker.getFetchConfiguration();
                if (!_broker.getStoreManager().load(this, fields, fetch, lockLevel, sdata)) {
                    throw new ObjectNotFoundException(_loc.get("del-instance", _meta.getDescribedType(), _oid)).
                        setFailedObject(getManagedInstance());
                }
                ret = true;
            }

            // make sure version information has been set; version info must
            // always be set after the first state load or set (which is why
            // we do this even if no fields were loaded -- could be that this
            // method is being called after a field is set)
            // If the _loadVersion field is null AND the version field has been loaded, skip calling sync version.
            // This indicates that the DB has a null value for the version column.
            FieldMetaData versionMeta = _meta != null ? _meta.getVersionField() : null;
            if (_loadVersion == null && (versionMeta != null && !_loaded.get(versionMeta.getIndex()))) {
                syncVersion(sdata);
                ret = ret || _loadVersion != null;
            }
        }
        finally {
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                Column cols[] = ((FieldMapping) ownerFM).getColumns();
                if (cols.length == 1            // only support attribute of non-compound foreign key
                        && cols != ownerCols    // not @Id field
                        && cols[0].getIdentifier().equals(ownerCols[0].getIdentifier())) {
                    // copy the foreign key value to the current field.
                    FieldMetaData inverseFM = inverseSm.getMetaData().getField(
                                    inverseCol.getIdentifier().getName());
                    if (inverseFM != null) {
                        int inverseValIndex = inverseFM.getIndex();
                        Class<?> inverseType = inverseSm.getMetaData().getField(inverseValIndex).getType();
                        int ownerIndex = ownerFM.getIndex();
                        Class<?> ownerType = ownerSm.getMetaData().getField(ownerIndex).getType();
                        if (inverseType == ownerType) {
                            Object inverseVal = inverseSm.fetch(inverseValIndex);
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            return _cast;
        Action act = lastFieldAction();
        if (act != null && act.op == Action.GET_XPATH)
            return ((XMLMetaData) act.data).getType();

        FieldMetaData fld = (act == null) ? null : (FieldMetaData) act.data;
        boolean key = act != null && act.op == Action.GET_KEY;
        if (fld != null) {
            switch (fld.getDeclaredTypeCode()) {
                case JavaTypes.ARRAY:
                    if (fld.getDeclaredType() == byte[].class
                        || fld.getDeclaredType() == Byte[].class
                        || fld.getDeclaredType() == char[].class
                        || fld.getDeclaredType() == Character[].class)
                        return fld.getDeclaredType();
                    return fld.getElement().getDeclaredType();
                case JavaTypes.MAP:
                    if (key)
                        return fld.getKey().getDeclaredType();
                    return fld.getElement().getDeclaredType();
                case JavaTypes.COLLECTION:
                    return fld.getElement().getDeclaredType();
                default:
                    return fld.getDeclaredType();
            }
        }
        if (_class != null)
            return _class.getDescribedType();
        return Object.class;
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    /**
     * Set a field's fetch group.
     */
    private static void parseFetchAttribute(ClassMetaData meta,
        org.apache.openjpa.meta.FetchGroup fg, FetchAttributeImpl attr) {
        FieldMetaData field = meta.getDeclaredField(attr.name());
        if (field == null
            || field.getManagement() != FieldMetaData.MANAGE_PERSISTENT)
            throw new MetaDataException(_loc.get("bad-fg-field", fg.getName(),
                meta, attr.name()));

        field.setInFetchGroup(fg.getName(), true);
        Set<String> parentFetchGroups = fg.getContainedBy();
        for (Object parentFetchGroup : parentFetchGroups)
          field.setInFetchGroup(parentFetchGroup.toString(), true);
        if (attr.recursionDepth() != Integer.MIN_VALUE)
            fg.setRecursionDepth(field, attr.recursionDepth());
    }
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        assertNotCloseInvoked();
        try {
            ClassMetaData meta = _broker.getConfiguration().
                getMetaDataRepositoryInstance().getMetaData(forClass,
                _broker.getClassLoader(), true);
            FieldMetaData fmd = meta.getField(fieldName);
            if (fmd == null)
                throw new ArgumentException(_loc.get("no-named-field",
                    forClass, fieldName), null, null, false);

            Seq seq = _broker.getValueSequence(fmd);
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     */
    public void releaseEmbedded() {
        if (objval == null)
            return;

        FieldMetaData fmd = _sm.getMetaData().getField(field);
        switch (fmd.getDeclaredTypeCode()) {
            case JavaTypes.PC:
                if (fmd.isEmbeddedPC())
                    releaseEmbedded(fmd, objval);
                break;
            case JavaTypes.ARRAY:
                if (fmd.getElement().isEmbeddedPC())
                    releaseEmbedded(fmd.getElement(), (Object[]) objval);
                break;
            case JavaTypes.COLLECTION:
                if (fmd.getElement().isEmbeddedPC())
                    releaseEmbedded(fmd.getElement(), (Collection) objval);
                break;
            case JavaTypes.MAP:
                if (fmd.getKey().isEmbeddedPC())
                    releaseEmbedded(fmd.getKey(), ((Map) objval).keySet());
                if (fmd.getElement().isEmbeddedPC())
                    releaseEmbedded(fmd.getElement(), ((Map) objval).values());
                break;
        }
    }
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     */
    public void persist(OpCallbacks call) {
        if (objval == null)
            return;

        FieldMetaData fmd = _sm.getMetaData().getField(field);
        switch (fmd.getDeclaredTypeCode()) {
            case JavaTypes.PC:
            case JavaTypes.PC_UNTYPED:
                if (!_broker.isDetachedNew() && _broker.isDetached(objval, _checkDbOnCascadePersist))
                    return; // allow but ignore
                _broker.persist(objval, true, call);
                break;
            case JavaTypes.ARRAY:
                _broker.persistAll(Arrays.asList((Object[]) objval), true,
                    call);
                break;
            case JavaTypes.COLLECTION:
                _broker.persistAll((Collection) objval, true, call);
                break;
            case JavaTypes.MAP:
                if (fmd.getKey().getCascadePersist()
                    == ValueMetaData.CASCADE_IMMEDIATE)
                    _broker.persistAll(((Map) objval).keySet(), true, call);
                if (fmd.getElement().getCascadePersist()
                    == ValueMetaData.CASCADE_IMMEDIATE)
                    _broker.persistAll(((Map) objval).values(), true, call);
                break;
        }
    }
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     */
    private void delete(boolean immediate, OpCallbacks call, boolean deref) {
        if (objval == null)
            return;

        FieldMetaData fmd = _sm.getMetaData().getField(field);
        if (fmd.getCascadeDelete() != ValueMetaData.CASCADE_NONE) {
            // immediate cascade works on field value; dependent deref
            // works on external value
            if ((immediate || fmd.isEmbeddedPC())
                && fmd.getCascadeDelete() == ValueMetaData.CASCADE_IMMEDIATE) {
                if (fmd.isEmbeddedPC() && deref) {
                    StateManagerImpl sm = _broker.getStateManagerImpl(objval, false);
                    if (sm != null)
                        dereferenceEmbedDependent(sm);
                }
                delete(fmd, objval, call);
            }
            else if (fmd.getCascadeDelete() == ValueMetaData.CASCADE_AUTO)
                dereferenceDependent(fmd.getExternalValue(objval, _broker));
            return;
        }

        Object external = null;
        ValueMetaData vmd = fmd.getKey();
        if ((immediate || vmd.isEmbeddedPC())
            && vmd.getCascadeDelete() == ValueMetaData.CASCADE_IMMEDIATE)
            delete(vmd, ((Map) objval).keySet(), call);
        else if (vmd.getCascadeDelete() == ValueMetaData.CASCADE_AUTO) {
            external = fmd.getExternalValue(objval, _broker);
            if (external == null)
                return;
            dereferenceDependent(((Map) external).keySet());
        }

        vmd = fmd.getElement();
        if ((immediate || vmd.isEmbeddedPC())
            && vmd.getCascadeDelete() == ValueMetaData.CASCADE_IMMEDIATE) {
            switch (fmd.getDeclaredTypeCode()) {
                case JavaTypes.COLLECTION:
                    delete(vmd, (Collection) objval, call);
                    break;
                case JavaTypes.ARRAY:
                    delete(vmd, (Object[]) objval, call);
                    break;
                case JavaTypes.MAP:
                    delete(vmd, ((Map) objval).values(), call);
                    break;
            }
        } else if (vmd.getCascadeDelete() == ValueMetaData.CASCADE_AUTO) {
            if (external == null) {
                external = fmd.getExternalValue(objval, _broker);
                if (external == null)
                    return;
            }

            switch (fmd.getTypeCode()) {
                case JavaTypes.COLLECTION:
                    dereferenceDependent((Collection) external);
                    break;
                case JavaTypes.ARRAY:
                    dereferenceDependent((Object[]) external);
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     */
    public void gatherCascadeRefresh(OpCallbacks call) {
        if (objval == null)
            return;

        FieldMetaData fmd = _sm.getMetaData().getField(field);
        switch (fmd.getDeclaredTypeCode()) {
            case JavaTypes.PC:
            case JavaTypes.PC_UNTYPED:
                _broker.gatherCascadeRefresh(objval, call);
                break;
            case JavaTypes.ARRAY:
                gatherCascadeRefresh((Object[]) objval, call);
                break;
            case JavaTypes.COLLECTION:
                gatherCascadeRefresh((Collection) objval, call);
                break;
            case JavaTypes.MAP:
                if (fmd.getKey().getCascadeRefresh()
                    == ValueMetaData.CASCADE_IMMEDIATE)
                    gatherCascadeRefresh(((Map) objval).keySet(), call);
                if (fmd.getElement().getCascadeRefresh()
                    == ValueMetaData.CASCADE_IMMEDIATE)
                    gatherCascadeRefresh(((Map) objval).values(), call);
                break;
        }
    }
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     * pc fields. Return true if the field needs to be replaced with the
     * new value.
     */
    public boolean preFlush(boolean logical, OpCallbacks call) {
        // only care about object fields
        FieldMetaData fmd = _sm.getMetaData().getField(field);
        if (fmd.getDeclaredTypeCode() < JavaTypes.OBJECT)
            return false;

        // manage inverses
        InverseManager manager = _broker.getInverseManager();
        if (manager != null)
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Related Classes of org.apache.openjpa.meta.FieldMetaData$MemberProvider

  • org.apache.commons.collections.comparators.ComparatorChain
  • org.apache.openjpa.abstractstore.AbstractStoreManager
  • org.apache.openjpa.conf.OpenJPAConfiguration
  • org.apache.openjpa.enhance.PCEnhancer
  • org.apache.openjpa.enhance.ReflectingPersistenceCapable
  • org.apache.openjpa.enhance.stats.FetchStatisticsAuxEnhancer
  • org.apache.openjpa.jdbc.kernel.exps.ConstPath
  • org.apache.openjpa.jdbc.kernel.exps.PCPath
  • org.apache.openjpa.jdbc.kernel.FinderQueryImpl
  • org.apache.openjpa.jdbc.kernel.JDBCStoreManager
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