Package org.datanucleus.metadata

Examples of org.datanucleus.metadata.MapMetaData

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                    {
                        // Try to derive value type from generics info
                        mapValueType = ClassUtils.getMapValueType(member.getType(), member.getGenericType());
                    }

                    contmd = new MapMetaData();
                    MapMetaData mapmd = (MapMetaData)contmd;
                    mapmd.setKeyType((mapKeyType != null ? mapKeyType.getName() : null));
                    mapmd.setEmbeddedKey(embeddedKey);
                    mapmd.setSerializedKey(serializedKey);
                    mapmd.setDependentKey(dependentKey);
                    mapmd.setValueType((mapValueType != null ? mapValueType.getName() : null));
                    mapmd.setEmbeddedValue(embeddedValue);
                    mapmd.setSerializedValue(serializedValue);
                    mapmd.setDependentValue(dependentValue);

                    if (embeddedKeyMembers != null)
                    {
                        // Add any embedded key mappings
                        EmbeddedMetaData embmd = keymd.getEmbeddedMetaData();
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            AbstractMapStoreSpecialization specialization)
    {
        super(storeMgr, specialization);
        this.clr = clr;
        setOwner(fmd, clr);
        MapMetaData mmd = (MapMetaData)fmd.getContainer();
        if (mmd == null)
        {
            // No <map> specified for this field!
            throw new NucleusUserException(LOCALISER.msg("056002", fmd.getFullFieldName()));
        }

        // Check whether we store the key in the value, or the value in the key
        boolean keyStoredInValue = false;
        if (fmd.getKeyMetaData() != null && fmd.getKeyMetaData().getMappedBy() != null)
        {
            keyStoredInValue = true;
        }
        else if (fmd.getValueMetaData() != null && fmd.getValueMetaData().getMappedBy() == null)
        {
            // No mapped-by specified on either key or value so we dont know what to do with this relation!
            throw new NucleusUserException(LOCALISER.msg("056071", fmd.getFullFieldName()));
        }
        else
        {
            // Should throw an exception since must store key in value or value in key
        }

        // Load the key and value classes
        keyType = mmd.getKeyType();
        valueType = mmd.getValueType();
        Class keyClass = clr.classForName(keyType);
        Class valueClass = clr.classForName(valueType);

        ApiAdapter api = getStoreManager().getApiAdapter();
        if (keyStoredInValue && !api.isPersistable(valueClass))
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            {
                throw new NucleusDataStoreException(LOCALISER.msg("056016", e.getMessage()), e);
            }
        }

        MapMetaData mapmd = ownerMemberMetaData.getMap();
        if (mapmd.isDependentValue() && !mapmd.isEmbeddedValue() && oldValue != null)
        {
            // Delete the old value if it is no longer contained and is dependent
            if (!containsValue(sm, oldValue))
            {
                sm.getObjectManager().deleteObjectInternal(oldValue);
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        if (exists)
        {
            removeInternal(sm, key);
        }

        MapMetaData mapmd = ownerMemberMetaData.getMap();
        ApiAdapter api = om.getApiAdapter();
        if (mapmd.isDependentKey() && !mapmd.isEmbeddedKey() && api.isPersistable(key))
        {
            // Delete the key if it is dependent
            om.deleteObjectInternal(key);
        }

        if (mapmd.isDependentValue() && !mapmd.isEmbeddedValue() && api.isPersistable(oldValue))
        {
            if (!containsValue(sm, oldValue))
            {
                // Delete the value if it is dependent and is not keyed by another key
                om.deleteObjectInternal(oldValue);
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                pushStack(joinmd);
            }
            else if (localName.equals("map"))
            {
                AbstractMemberMetaData fmd = (AbstractMemberMetaData)getStack();
                MapMetaData mapmd = fmd.newMapMetaData();
                mapmd.setKeyType(getAttr(attrs,"key-type"));
                mapmd.setEmbeddedKey(getAttr(attrs,"embedded-key"));
                mapmd.setSerializedKey(getAttr(attrs,"serialized-key"));
                mapmd.setDependentKey(getAttr(attrs,"dependent-key"));
                mapmd.setValueType(getAttr(attrs,"value-type"));
                mapmd.setEmbeddedValue(getAttr(attrs,"embedded-value"));
                mapmd.setSerializedValue(getAttr(attrs,"serialized-value"));
                mapmd.setDependentValue(getAttr(attrs,"dependent-value"));
                pushStack(mapmd);
            }
            else if (localName.equals("array"))
            {
                AbstractMemberMetaData fmd = (AbstractMemberMetaData)getStack();
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            ApiAdapter api = ownerSM.getObjectManager().getApiAdapter();
            Iterator iter = entrySetStore().iterator(ownerSM);
            while (iter.hasNext())
            {
                Map.Entry entry = (Map.Entry)iter.next();
                MapMetaData mapmd = ownerMemberMetaData.getMap();
                if (api.isPersistable(entry.getKey()) && mapmd.isDependentKey() && !mapmd.isEmbeddedKey())
                {
                    dependentElements.add(entry.getKey());
                }
                if (api.isPersistable(entry.getValue()) && mapmd.isDependentValue() && !mapmd.isEmbeddedValue())
                {
                    dependentElements.add(entry.getValue());
                }
            }
        }
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            {
                valueType = ClassUtils.getMapValueType(field.getType(),field.getGenericType());
            }

            // No annotation for maps so cant specify the key/value type, dependent, embedded, serialized
            contmd = new MapMetaData();
            MapMetaData mapmd = (MapMetaData)contmd;
            mapmd.setKeyType(keyType);
            mapmd.setValueType(valueType);
        }
        if (contmd != null)
        {
            fmd.setContainer(contmd);
        }
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        return getInternal().getLoadFetchGroup();
    }

    public MapMetadata getMapMetadata()
    {
        MapMetaData internalMapmd = getInternal().getMap();
        if (internalMapmd == null)
        {
            return null;
        }
        MapMetadataImpl mapmd = new MapMetadataImpl(internalMapmd);
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        return keymd;
    }

    public MapMetadata newMapMetadata()
    {
        MapMetaData internalMapmd = getInternal().newMapMetaData();
        MapMetadataImpl mapmd = new MapMetadataImpl(internalMapmd);
        mapmd.parent = this;
        return mapmd;
    }
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                                }
                            }
                        }
                    }

                    contmd = new MapMetaData();
                    MapMetaData mapmd = (MapMetaData)contmd;
                    mapmd.setKeyType((mapKeyType != null ? mapKeyType.getName() : null));
                    mapmd.setEmbeddedKey(embeddedKey);
                    mapmd.setSerializedKey(serializedKey);
                    mapmd.setDependentKey(dependentKey);
                    mapmd.setValueType((mapValueType != null ? mapValueType.getName() : null));
                    mapmd.setEmbeddedValue(embeddedValue);
                    mapmd.setSerializedValue(serializedValue);
                    mapmd.setDependentValue(dependentValue);

                    if (embeddedKeyMembers != null)
                    {
                        // Add any embedded key mappings
                        EmbeddedMetaData embmd = keymd.getEmbeddedMetaData();
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Related Classes of org.datanucleus.metadata.MapMetaData

  • org.datanucleus.api.ApiAdapter
  • org.datanucleus.api.jdo.metadata.JDOAnnotationReader
  • org.datanucleus.api.jdo.metadata.JDOMetaDataHandler
  • org.datanucleus.api.jpa.metadata.JPAAnnotationReader
  • org.datanucleus.jdo.metadata.JDOAnnotationReader
  • org.datanucleus.jdo.metadata.JDOMetaDataHandler
  • org.datanucleus.jdo.metadata.MemberMetadataImpl
  • org.datanucleus.jpa.metadata.JPAAnnotationReader
  • org.datanucleus.store.mapped.scostore.FKMapStore
  • org.datanucleus.store.mapped.scostore.JoinMapStore
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