Package org.apache.gora.persistency.impl

Examples of org.apache.gora.persistency.impl.PersistentBase

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        // check if field has a nested structure (array, map, or record)
        Schema fieldSchema = field.schema();
        Type type = fieldSchema.getType();
        switch(type) {
          case RECORD:
            PersistentBase persistent = (PersistentBase) fieldValue;
            PersistentBase newRecord = (PersistentBase) persistent.newInstance(new StateManagerImpl());
            for (Field member: fieldSchema.getFields()) {
              newRecord.put(member.pos(), persistent.get(member.pos()));
            }
            fieldValue = newRecord;
            break;
          case MAP:
            StatefulHashMap map = (StatefulHashMap) fieldValue;
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        this.cassandraClient.addColumn(key, field.name(), value);
        break;
      case RECORD:
        if (value != null) {
          if (value instanceof PersistentBase) {
            PersistentBase persistentBase = (PersistentBase) value;
            for (Field member: schema.getFields()) {
             
              // TODO: hack, do not store empty arrays
              Object memberValue = persistentBase.get(member.pos());
              if (memberValue instanceof GenericArray<?>) {
                if (((GenericArray)memberValue).size() == 0) {
                  continue;
                }
              } else if (memberValue instanceof StatefulHashMap<?,?>) {
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  private PersistentDatumReader<WebPage> webPageDatumReader
    = new PersistentDatumReader<WebPage>();
  private Configuration conf = new Configuration();
 
  private void testClone(PersistentBase persistent) throws IOException {
    PersistentBase cloned = ((PersistentBase)webPageDatumReader.clone(persistent, persistent.getSchema()));
    assertClone(persistent, cloned);
  }
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        this.cassandraClient.addColumn(key, field.name(), value);
        break;
      case RECORD:
        if (value != null) {
          if (value instanceof PersistentBase) {
            PersistentBase persistentBase = (PersistentBase) value;           
            try {
              byte[] byteValue = AvroSerializerUtil.serializer(persistentBase, schema);
              this.cassandraClient.addColumn(key, field.name(), byteValue);
            } catch (IOException e) {
              LOG.warn(field.name() + " named record could not be serialized.");
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        this.cassandraClient.addColumn(key, field.name(), value);
        break;
      case RECORD:
        if (value != null) {
          if (value instanceof PersistentBase) {
            PersistentBase persistentBase = (PersistentBase) value;
            for (Field member: schema.getFields()) {
             
              // TODO: hack, do not store empty arrays
              Object memberValue = persistentBase.get(member.pos());
              if (memberValue instanceof GenericArray<?>) {
                if (((GenericArray)memberValue).size() == 0) {
                  continue;
                }
              } else if (memberValue instanceof StatefulHashMap<?,?>) {
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          break;
        }
       
        // we updated the value instance, now update its members
        if (value instanceof PersistentBase) {
          PersistentBase record = (PersistentBase) value;

          for (HColumn<ByteBuffer, ByteBuffer> hColumn : this.hSuperColumn.getColumns()) {
            String memberName = StringSerializer.get().fromByteBuffer(hColumn.getName());
            if (memberName == null || memberName.length() == 0) {
              LOG.warn("member name is null or empty.");
              continue;
            }
            Field memberField = fieldSchema.getField(memberName);
            CassandraSubColumn cassandraColumn = new CassandraSubColumn();
            cassandraColumn.setField(memberField);
            cassandraColumn.setValue(hColumn);
            record.put(record.getFieldIndex(memberName), cassandraColumn.getValue());
          }
        }
        break;
      default:
        LOG.info("Type not supported: " + type);
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          break;
        }
       
        // we updated the value instance, now update its members
        if (value instanceof PersistentBase) {
          PersistentBase record = (PersistentBase) value;

          for (HColumn<String, String> hColumn : this.hSuperColumn.getColumns()) {
            Field memberField = fieldSchema.getField(hColumn.getName());
            CassandraSubColumn cassandraColumn = new CassandraSubColumn();
            cassandraColumn.setField(memberField);
            cassandraColumn.setValue(hColumn);
            record.put(record.getFieldIndex(hColumn.getName()), cassandraColumn.getValue());
          }
        }
        break;
      default:
        LOG.info("Type not supported: " + type);
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        this.cassandraClient.addColumn(key, field.name(), value);
        break;
      case RECORD:
        if (value != null) {
          if (value instanceof PersistentBase) {
            PersistentBase persistentBase = (PersistentBase) value;
            for (Field member: schema.getFields()) {
             
              // TODO: hack, do not store empty arrays
              Object memberValue = persistentBase.get(member.pos());
              if (memberValue instanceof GenericArray<?>) {
                GenericArray<String> array = (GenericArray<String>) memberValue;
                if (array.size() == 0) {
                  continue;
                }
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        this.cassandraClient.addColumn(key, field.name(), value);
        break;
      case RECORD:
        if (value != null) {
          if (value instanceof PersistentBase) {
            PersistentBase persistentBase = (PersistentBase) value;           
            try {
              byte[] byteValue = AvroSerializerUtil.serializer(persistentBase, schema);
              this.cassandraClient.addColumn(key, field.name(), byteValue);
            } catch (IOException e) {
              LOG.warn(field.name() + " named record could not be serialized.");
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          break;
        }
       
        // we updated the value instance, now update its members
        if (value instanceof PersistentBase) {
          PersistentBase record = (PersistentBase) value;

          for (HColumn<ByteBuffer, ByteBuffer> hColumn : this.hSuperColumn.getColumns()) {
            String memberName = StringSerializer.get().fromByteBuffer(hColumn.getName());
            if (memberName.indexOf(CassandraStore.UNION_COL_SUFIX) < 0) {
             
            if (memberName == null || memberName.length() == 0) {
              LOG.warn("member name is null or empty.");
              continue;
            }
            Field memberField = fieldSchema.getField(memberName);
            Schema memberSchema = memberField.schema();
            Type memberType = memberSchema.getType();
           
            CassandraSubColumn cassandraColumn = new CassandraSubColumn();
            cassandraColumn.setField(memberField);
            cassandraColumn.setValue(hColumn);
           
            if (memberType.equals(Type.UNION)){
              HColumn<ByteBuffer, ByteBuffer> hc = getUnionTypeColumn(memberField.name()
                  + CassandraStore.UNION_COL_SUFIX, this.hSuperColumn.getColumns().toArray());
              Integer unionIndex = getUnionIndex(memberField.name(),hc);
              cassandraColumn.setUnionType(unionIndex);
            }
           
            record.put(record.getSchema().getField(memberName).pos(), cassandraColumn.getValue());
          }
          }
        }
        break;
      case UNION:
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Related Classes of org.apache.gora.persistency.impl.PersistentBase

  • org.apache.avro.Schema.Field
  • org.apache.avro.specific.SpecificRecord
  • org.apache.gora.avro.TestPersistentDatumReader
  • org.apache.gora.cassandra.query.CassandraSuperColumn
  • org.apache.gora.cassandra.store.CassandraStore
  • org.apache.gora.persistency.ListGenericArray
  • org.apache.gora.persistency.Persistent
  • java.nio.ByteBuffer
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