I've converted object to json and converted that into ODocument to save.
Seems working as I could perform the index based and map based and nested
queries on the saved record.
doc.fromJSON(new flexjson.JSONSerializer().exclude("*.class","description").
deepSerialize(obj));
Thanks
On Monday, June 23, 2014 10:38:55 PM UTC-7, Artem Orobets wrote:
>
> Hi Moksh,
>
> I noticed that you do part of changes outside of transaction and try to
> save them inside of transaction. It seems not the reason of the problem,
> but may lead for further problems, so I'd recommend you move
> populateDocument invocation into transaction.
>
>
> The error tells that OrientDB doesn't know what to do with Item instances.
> The correct solution in your case would be a modification of
> populateDocument method to replace such objects as Address or Item with
> documents and collections of that objects with collection of documents and
> do that recursively for nested objects.
>
>
> Best regards,
> Artem Orobets
>
> *Orient Technologies the Company behind OrientDB*
>
>
> 2014-06-23 23:02 GMT+03:00 moksh n <[email protected] <javascript:>>:
>
>> Trying to evaluate OrientDB1.7.3 with Document API for our Analytics.
>>
>> Was able to save all the simple properties along with other class type
>> properties as simple ones except the List type.
>>
>> //Pojo to be inserted
>> public class PurchaseRequest implements Serializable {
>> private String customerName;
>>
>> private Address shippingAddress;
>> private List<Item> items;
>> }
>>
>>
>> //Simplified DAO api
>> public String save(Object entity, String storeName) {
>> ODocument doc = populateDocument(db, entity, storeName);
>> db.begin();
>> doc = doc.save(true);
>> db.commit();
>> }
>>
>>
>> //Util method
>> private ODocument populateDocument(ODatabaseDocument oDatabaseDocument,
>> Object entity, String storeName, List<String> excludeKeys)
>> throws Exception {
>> ODocument doc = new ODocument(storeName);
>> BeanInfo beanInfo = Introspector.getBeanInfo(entity.getClass());
>> for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
>> String name = pd.getName();
>> if (pd.getReadMethod() != null && !"class".equals(pd.getName())) {
>> Method readMethod = pd.getReadMethod();
>> Object value = pd.getReadMethod().invoke(entity);
>> System.out.println("\n name :" + name + " value:"+ value );
>> doc.field(name, value );
>> }
>> }
>> return doc;
>> }
>>
>>
>>
>> Throws an error while saving items as an embedded list.
>> Appreciated your help.
>>
>> Cannot serialize the object since it's not implements the
>> OSerializableStream interface
>> at
>> com.orientechnologies.orient.core.serialization.serializer.string.OStringSerializerEmbedded.toStream(OStringSerializerEmbedded.java:86)
>> at
>> com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerStringAbstract.fieldTypeToString(ORecordSerializerStringAbstract.java:218)
>> at
>> com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerCSVAbstract.embeddedCollectionToStream(ORecordSerializerCSVAbstract.java:823)
>> at
>> com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerCSVAbstract.fieldToStream(ORecordSerializerCSVAbstract.java:520)
>> at
>> com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerSchemaAware2CSV.toString(ORecordSerializerSchemaAware2CSV.java:495)
>> at
>> com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerStringAbstract.toStream(ORecordSerializerStringAbstract.java:669)
>> at
>> com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerSchemaAware2CSV.toStream(ORecordSerializerSchemaAware2CSV.java:258)
>> at
>> com.orientechnologies.orient.core.record.ORecordSchemaAwareAbstract.toStream(ORecordSchemaAwareAbstract.java:420)
>> at
>> com.orientechnologies.orient.core.record.ORecordSchemaAwareAbstract.toStream(ORecordSchemaAwareAbstract.java:415)
>> at
>> com.orientechnologies.orient.core.record.impl.ODocument.toStream(ODocument.java:446)
>> at
>> com.orientechnologies.orient.client.remote.OStorageRemote.commitEntry(OStorageRemote.java:1931)
>>
>> Thanks
>>
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>>
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