Examples with OLazyObjectMapInterface com.orientechnologies.orient.core.db.object.OLazyObjectMapInterface used on opensource projects

Example 1 with OLazyObjectMapInterface

use of com.orientechnologies.orient.core.db.object.OLazyObjectMapInterface in project orientdb by orientechnologies.

the class ORecordSerializerCSVAbstract method fieldToStream.

public void fieldToStream(final ODocument iRecord, final StringBuilder iOutput, OUserObject2RecordHandler iObjHandler, final OType iType, final OClass iLinkedClass, final OType iLinkedType, final String iName, final Object iValue, final boolean iSaveOnlyDirty) {
    if (iValue == null)
        return;
    final long timer = PROFILER.startChrono();
    switch(iType) {
        case LINK:
            {
                if (!(iValue instanceof OIdentifiable))
                    throw new OSerializationException("Found an unexpected type during marshalling of a LINK where a OIdentifiable (ORID or any Record) was expected. The string representation of the object is: " + iValue);
                if (!((OIdentifiable) iValue).getIdentity().isValid() && iValue instanceof ODocument && ((ODocument) iValue).isEmbedded()) {
                    // WRONG: IT'S EMBEDDED!
                    fieldToStream(iRecord, iOutput, iObjHandler, OType.EMBEDDED, iLinkedClass, iLinkedType, iName, iValue, iSaveOnlyDirty);
                } else {
                    final Object link = linkToStream(iOutput, iRecord, iValue);
                    if (link != null)
                        // OVERWRITE CONTENT
                        iRecord.field(iName, link);
                    PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.link2string"), "Serialize link to string", timer);
                }
                break;
            }
        case LINKLIST:
            {
                iOutput.append(OStringSerializerHelper.LIST_BEGIN);
                if (iValue instanceof ORecordLazyList && ((ORecordLazyList) iValue).getStreamedContent() != null) {
                    iOutput.append(((ORecordLazyList) iValue).getStreamedContent());
                    PROFILER.updateCounter(PROFILER.getProcessMetric("serializer.record.string.linkList2string.cached"), "Serialize linklist to string in stream mode", +1);
                } else {
                    final ORecordLazyList coll;
                    final Iterator<OIdentifiable> it;
                    if (iValue instanceof OMultiCollectionIterator<?>) {
                        final OMultiCollectionIterator<OIdentifiable> iterator = (OMultiCollectionIterator<OIdentifiable>) iValue;
                        iterator.reset();
                        it = iterator;
                        coll = null;
                    } else if (!(iValue instanceof ORecordLazyList)) {
                        // FIRST TIME: CONVERT THE ENTIRE COLLECTION
                        coll = new ORecordLazyList(iRecord);
                        if (iValue.getClass().isArray()) {
                            Iterable<Object> iterab = OMultiValue.getMultiValueIterable(iValue, false);
                            for (Object i : iterab) {
                                coll.add((OIdentifiable) i);
                            }
                        } else {
                            coll.addAll((Collection<? extends OIdentifiable>) iValue);
                            ((Collection<? extends OIdentifiable>) iValue).clear();
                        }
                        iRecord.field(iName, coll);
                        it = coll.rawIterator();
                    } else {
                        // LAZY LIST
                        coll = (ORecordLazyList) iValue;
                        if (coll.getStreamedContent() != null) {
                            // APPEND STREAMED CONTENT
                            iOutput.append(coll.getStreamedContent());
                            PROFILER.updateCounter(PROFILER.getProcessMetric("serializer.record.string.linkList2string.cached"), "Serialize linklist to string in stream mode", +1);
                            it = coll.newItemsIterator();
                        } else
                            it = coll.rawIterator();
                    }
                    if (it != null && it.hasNext()) {
                        final StringBuilder buffer = new StringBuilder(128);
                        for (int items = 0; it.hasNext(); items++) {
                            if (items > 0)
                                buffer.append(OStringSerializerHelper.RECORD_SEPARATOR);
                            final OIdentifiable item = it.next();
                            final OIdentifiable newRid = linkToStream(buffer, iRecord, item);
                            if (newRid != null)
                                ((OLazyIterator<OIdentifiable>) it).update(newRid);
                        }
                        if (coll != null)
                            coll.convertRecords2Links();
                        iOutput.append(buffer);
                        // UPDATE THE STREAM
                        if (coll != null)
                            coll.setStreamedContent(buffer);
                    }
                }
                iOutput.append(OStringSerializerHelper.LIST_END);
                PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.linkList2string"), "Serialize linklist to string", timer);
                break;
            }
        case LINKSET:
            {
                if (!(iValue instanceof OStringBuilderSerializable)) {
                    if (iValue instanceof OAutoConvertToRecord)
                        ((OAutoConvertToRecord) iValue).setAutoConvertToRecord(false);
                    final Collection<OIdentifiable> coll;
                    // FIRST TIME: CONVERT THE ENTIRE COLLECTION
                    if (!(iValue instanceof ORecordLazySet)) {
                        final ORecordLazySet set = new ORecordLazySet(iRecord);
                        set.addAll((Collection<OIdentifiable>) iValue);
                        iRecord.field(iName, set);
                        coll = set;
                    } else
                        coll = (Collection<OIdentifiable>) iValue;
                    serializeSet(coll, iOutput);
                } else {
                    // LAZY SET
                    final OStringBuilderSerializable coll = (OStringBuilderSerializable) iValue;
                    coll.toStream(iOutput);
                }
                PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.linkSet2string"), "Serialize linkset to string", timer);
                break;
            }
        case LINKMAP:
            {
                iOutput.append(OStringSerializerHelper.MAP_BEGIN);
                Map<Object, Object> map = (Map<Object, Object>) iValue;
                // LINKED MAP
                if (map instanceof OLazyObjectMapInterface<?>)
                    ((OLazyObjectMapInterface<?>) map).setConvertToRecord(false);
                boolean invalidMap = false;
                try {
                    int items = 0;
                    for (Map.Entry<Object, Object> entry : map.entrySet()) {
                        if (items++ > 0)
                            iOutput.append(OStringSerializerHelper.RECORD_SEPARATOR);
                        fieldTypeToString(iOutput, OType.STRING, entry.getKey());
                        iOutput.append(OStringSerializerHelper.ENTRY_SEPARATOR);
                        final Object link = linkToStream(iOutput, iRecord, entry.getValue());
                        if (link != null && !invalidMap)
                            // IDENTITY IS CHANGED, RE-SET INTO THE COLLECTION TO RECOMPUTE THE HASH
                            invalidMap = true;
                    }
                } finally {
                    if (map instanceof OLazyObjectMapInterface<?>) {
                        ((OLazyObjectMapInterface<?>) map).setConvertToRecord(true);
                    }
                }
                if (invalidMap) {
                    final ORecordLazyMap newMap = new ORecordLazyMap(iRecord, ODocument.RECORD_TYPE);
                    // REPLACE ALL CHANGED ITEMS
                    for (Map.Entry<Object, Object> entry : map.entrySet()) {
                        newMap.put(entry.getKey(), (OIdentifiable) entry.getValue());
                    }
                    map.clear();
                    iRecord.field(iName, newMap);
                }
                iOutput.append(OStringSerializerHelper.MAP_END);
                PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.linkMap2string"), "Serialize linkmap to string", timer);
                break;
            }
        case EMBEDDED:
            if (iValue instanceof ORecord) {
                iOutput.append(OStringSerializerHelper.EMBEDDED_BEGIN);
                toString((ORecord) iValue, iOutput, null, iObjHandler, false, true);
                iOutput.append(OStringSerializerHelper.EMBEDDED_END);
            } else if (iValue instanceof ODocumentSerializable) {
                final ODocument doc = ((ODocumentSerializable) iValue).toDocument();
                doc.field(ODocumentSerializable.CLASS_NAME, iValue.getClass().getName());
                iOutput.append(OStringSerializerHelper.EMBEDDED_BEGIN);
                toString(doc, iOutput, null, iObjHandler, false, true);
                iOutput.append(OStringSerializerHelper.EMBEDDED_END);
            } else if (iValue != null)
                iOutput.append(iValue.toString());
            PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.embed2string"), "Serialize embedded to string", timer);
            break;
        case EMBEDDEDLIST:
            embeddedCollectionToStream(null, iObjHandler, iOutput, iLinkedClass, iLinkedType, iValue, iSaveOnlyDirty, false);
            PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.embedList2string"), "Serialize embeddedlist to string", timer);
            break;
        case EMBEDDEDSET:
            embeddedCollectionToStream(null, iObjHandler, iOutput, iLinkedClass, iLinkedType, iValue, iSaveOnlyDirty, true);
            PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.embedSet2string"), "Serialize embeddedset to string", timer);
            break;
        case EMBEDDEDMAP:
            {
                embeddedMapToStream(null, iObjHandler, iOutput, iLinkedClass, iLinkedType, iValue, iSaveOnlyDirty);
                PROFILER.stopChrono(PROFILER.getProcessMetric("serializer.record.string.embedMap2string"), "Serialize embeddedmap to string", timer);
                break;
            }
        case LINKBAG:
            {
                iOutput.append(OStringSerializerHelper.BAG_BEGIN);
                ((ORidBag) iValue).toStream(iOutput);
                iOutput.append(OStringSerializerHelper.BAG_END);
                break;
            }
        default:
            fieldTypeToString(iOutput, iType, iValue);
    }
}