Examples with ConverterContext org.apache.atlas.repository.converters.AtlasFormatConverter.ConverterContext used on opensource projects

Example 1 with ConverterContext

use of org.apache.atlas.repository.converters.AtlasFormatConverter.ConverterContext in project incubator-atlas by apache.

the class AtlasInstanceConverter method toAtlasEntities.

public AtlasEntitiesWithExtInfo toAtlasEntities(String entitiesJson) throws AtlasBaseException, AtlasException {
    ITypedReferenceableInstance[] referenceables = metadataService.deserializeClassInstances(entitiesJson);
    AtlasEntityFormatConverter converter = (AtlasEntityFormatConverter) instanceFormatters.getConverter(TypeCategory.ENTITY);
    ConverterContext context = new ConverterContext();
    AtlasEntitiesWithExtInfo ret = null;
    if (referenceables != null) {
        for (IReferenceableInstance referenceable : referenceables) {
            AtlasEntityType entityType = typeRegistry.getEntityTypeByName(referenceable.getTypeName());
            if (entityType == null) {
                throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_INVALID, TypeCategory.ENTITY.name(), referenceable.getTypeName());
            }
            AtlasEntity entity = converter.fromV1ToV2(referenceable, entityType, context);
            context.addEntity(entity);
        }
        ret = context.getEntities();
    }
    return ret;
}

Example 2 with ConverterContext

use of org.apache.atlas.repository.converters.AtlasFormatConverter.ConverterContext in project incubator-atlas by apache.

the class AtlasInstanceConverter method getTrait.

public ITypedStruct getTrait(AtlasClassification classification) throws AtlasBaseException {
    AtlasFormatConverter converter = instanceFormatters.getConverter(TypeCategory.CLASSIFICATION);
    AtlasType classificationType = typeRegistry.getType(classification.getTypeName());
    Struct trait = (Struct) converter.fromV2ToV1(classification, classificationType, new ConverterContext());
    try {
        return metadataService.createTraitInstance(trait);
    } catch (AtlasException e) {
        LOG.error("Exception while getting a typed reference for the entity ", e);
        throw toAtlasBaseException(e);
    }
}

Example 3 with ConverterContext

use of org.apache.atlas.repository.converters.AtlasFormatConverter.ConverterContext in project incubator-atlas by apache.

the class AtlasInstanceConverter method toAtlasEntity.

public AtlasEntitiesWithExtInfo toAtlasEntity(IReferenceableInstance referenceable) throws AtlasBaseException {
    AtlasEntityFormatConverter converter = (AtlasEntityFormatConverter) instanceFormatters.getConverter(TypeCategory.ENTITY);
    AtlasEntityType entityType = typeRegistry.getEntityTypeByName(referenceable.getTypeName());
    if (entityType == null) {
        throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_INVALID, TypeCategory.ENTITY.name(), referenceable.getTypeName());
    }
    // validate
    try {
        metadataService.validateAndConvertToTypedInstance(referenceable, entityType.getTypeName());
    } catch (AtlasException excp) {
        throw toAtlasBaseException(excp);
    }
    ConverterContext ctx = new ConverterContext();
    AtlasEntity entity = converter.fromV1ToV2(referenceable, entityType, ctx);
    ctx.addEntity(entity);
    return ctx.getEntities();
}