Examples of mil.nga.giat.geowave.vector.adapter.FeatureDataAdapter$TimeDescriptors

Package mil.nga.giat.geowave.vector.adapter

Examples of mil.nga.giat.geowave.vector.adapter.FeatureDataAdapter$TimeDescriptors

mil.nga.giat.geowave.vector.adapter.FeatureDataAdapter
This data adapter will handle all reading/writing concerns for storing and retrieving GeoTools SimpleFeature objects to and from a GeoWave persistent store in Accumulo. If the implementor needs to write rows with particular visibility, this can be done by providing a FieldVisibilityHandler to a constructor or a VisibilityManagement to a constructor. When using VisibilityManagement, the feature attribute to contain the visibility meta-data is, by default, called GEOWAVE_VISIBILITY. This can be overridden by setting the UserData property 'visibility' to Boolean.TRUE for the feature attribute that describes the attribute that contains the visibility meta-data. persistedType.getDescriptor("someAttributeName").getUserData().put( "visibility", Boolean.TRUE) The adapter will use the SimpleFeature's default geometry for spatial indexing. The adaptor will use the first temporal attribute (a Calendar or Date object) as the timestamp of a temporal index. If the feature type contains a UserData property 'time' for a specific time attribute with Boolean.TRUE, then the attribute is used as the timestamp of a temporal index. If the feature type contains UserData properties 'start' and 'end' for two different time attributes with value Boolean.TRUE, then the attributes are used for a range index. If the feature type contains a UserData property 'time' for *all* time attributes with Boolean.FALSE, then a temporal index is not used.

          password,
          statsNamespace);
      final AccumuloAdapterStore statsAdapterStore = new AccumuloAdapterStore(
          statsOperations);
      for (int level = minLevel; level <= maxLevel; level++) {
        final FeatureDataAdapter featureAdapter = new FeatureDataAdapter(
            ComparisonAccumuloStatsReducer.createFeatureType(AccumuloKDEReducer.getTypeName(
                level,
                statsName)));
        if (!statsAdapterStore.adapterExists(featureAdapter.getAdapterId())) {
          statsAdapterStore.addAdapter(featureAdapter);
        }
      }
      final AccumuloIndexStore statsIndexStore = new AccumuloIndexStore(
          statsOperations);

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    index = IndexType.SPATIAL_VECTOR.createDefaultIndex();
    final IndexStore indexStore = new MemoryIndexStore(
        new Index[] {
          index
        });
    adapter = new FeatureDataAdapter(
        type);
    final AdapterStore adapterStore = new MemoryAdapterStore(
        new DataAdapter[] {
          new FeatureDataAdapter(
              type)
        });
    final AccumuloOptions options = new AccumuloOptions();
    options.setPersistDataStatistics(false);
    // TODO consider an in memory statistics store that will write the

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      final SimpleFeatureType featureType ) {
    if (featureType.getGeometryDescriptor() == null) {
      throw new UnsupportedOperationException(
          "Schema missing geometry");
    }
    final FeatureDataAdapter adapter = new FeatureDataAdapter(
        featureType,
        getVisibilityManagement());
    if (featureNameSpaceURI != null) {
      adapter.setNamespace(featureNameSpaceURI.toString());
    }


    adapterStore.addAdapter(adapter);
    getPreferredIndex(adapter);
  }

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  @Override
  protected FeatureReader<SimpleFeatureType, SimpleFeature> getFeatureReader(
      final String typeName,
      final Query query )
      throws IOException {
    final FeatureDataAdapter adapter = getAdapter(query.getTypeName());


    if (adapter == null) {
      LOGGER.warn("GeoWave Feature Data Adapter of type '" + query.getTypeName() + "' not found.  Cannot create Feature Reader.");
      return null;
    }

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  @Override
  public SimpleFeatureSource getFeatureSource(
      final String typeName ) {


    final FeatureDataAdapter adapter = getAdapter(typeName);
    if (adapter == null) {
      LOGGER.warn("GeoWave Feature Data Adapter of type '" + typeName + "' not found.  Cannot create Feature Source.");
      return null;
    }
    return new GeoWaveFeatureSource(

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  }


  private FeatureDataAdapter getAdapter(
      final String typeName ) {
    final SimpleFeatureType statsFeatureType = getDefaultSchema(typeName);
    final FeatureDataAdapter featureAdapter;
    if (statsFeatureType != null) {
      featureAdapter = new FeatureDataAdapter(
          statsFeatureType,
          getVisibilityManagement());
    }
    else {
      final DataAdapter<?> adapter = adapterStore.getAdapter(new ByteArrayId(
          StringUtils.stringToBinary(typeName)));
      if ((adapter == null) || !(adapter instanceof FeatureDataAdapter)) {
        return null;
      }
      featureAdapter = (FeatureDataAdapter) adapter;
    }
    if (featureNameSpaceURI != null) featureAdapter.setNamespace(featureNameSpaceURI.toString());
    // else
    // featureAdapter.setNamespace(null);
    return featureAdapter;
  }

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      final String typeName ) {
    final SimpleFeatureType type = getDefaultSchema(typeName);
    if (type != null) {
      return type;
    }
    final FeatureDataAdapter adapter = getAdapter(typeName);
    if (adapter == null) {
      return null;
    }
    return adapter.getType();
  }

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  private SimpleFeatureType getDefaultSchema(
      final String typeName ) {
    // TODO add some basic "global" types such as all spatial, or all
    // spatial temporal
    final FeatureDataAdapter adapter = getStatsAdapter(typeName);
    if (adapter != null) {
      final SimpleFeatureType type = adapter.getType();
      final String nameSpace = featureNameSpaceURI != null ? featureNameSpaceURI.toString() : type.getName().getNamespaceURI();


      return new SimpleFeatureTypeImpl(
          new NameImpl(
              nameSpace,

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      final SimpleFeatureType featureType ) {
    if (featureType.getGeometryDescriptor() == null) {
      throw new UnsupportedOperationException(
          "Schema modification not supported");
    }
    final FeatureDataAdapter oldAdaptor = getAdapter(typeName);
    final SimpleFeatureType oldFeatureType = oldAdaptor.getType();
    for (final AttributeDescriptor descriptor : oldFeatureType.getAttributeDescriptors()) {
      final AttributeDescriptor newDescriptor = featureType.getDescriptor(descriptor.getLocalName());
      if ((newDescriptor == null) || !newDescriptor.getType().equals(
          descriptor.getType())) {
        throw new UnsupportedOperationException(
            "Removal or changing the type of schema attributes is not supported");
      }
    }
    final FeatureDataAdapter adapter = new FeatureDataAdapter(
        featureType,
        getVisibilityManagement());


    adapterStore.addAdapter(adapter);
  }

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