core_persistence.persistence.metamodel_extensions.pure Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of legend-engine-xt-persistence-pure Show documentation
There is a newer version: 4.66.0
Show newest version
// Copyright 2022 Goldman Sachs
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import meta::pure::metamodel::path::*;

import meta::pure::persistence::metamodel::dataset::*;
import meta::pure::persistence::metamodel::dataset::actionindicator::*;
import meta::pure::persistence::metamodel::dataset::deduplication::*;
import meta::pure::persistence::metamodel::dataset::emptyhandling::*;
import meta::pure::persistence::metamodel::dataset::partitioning::*;
import meta::pure::persistence::metamodel::service::*;
import meta::pure::persistence::metamodel::service::output::*;
import meta::pure::persistence::metamodel::target::*;

/**********
 * service output target
 **********/

Class
{doc.doc = 'The mapping of the service output (or part of the service output in the case of a deep graph fetch) to a persistence target.'}
meta::pure::persistence::metamodel::service::ServiceOutputTarget
{
  serviceOutput: ServiceOutput[1];
  target: PersistenceTarget[1];
}

/**********
 * dataset
 **********/

Class
<>
{doc.doc = 'Semantic interpretation of the dataset within the service output.'}
meta::pure::persistence::metamodel::dataset::DatasetType
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::Snapshot extends DatasetType
{
  partitioning: Partitioning[1];
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::Delta extends DatasetType
{
  actionIndicator: ActionIndicatorFields[1];
}

/**********
 * deduplication
 **********/

Class
<>
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::deduplication::Deduplication
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::deduplication::NoDeduplication extends Deduplication
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::deduplication::AnyVersion extends Deduplication
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::deduplication::MaxVersion extends Deduplication
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::deduplication::MaxVersionForGraphFetch extends MaxVersion
{
  versionFieldPath: Path[1];
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::deduplication::MaxVersionForTds extends MaxVersion
{
  versionField: String[1];
}

/**********
 * partitioning
 **********/

Class
<>
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::partitioning::Partitioning
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::partitioning::NoPartitioning extends Partitioning
{
  emptyDatasetHandling: EmptyDatasetHandling[1];
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::partitioning::FieldBased extends Partitioning
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::partitioning::FieldBasedForGraphFetch extends FieldBased
{
  partitionFieldPaths: Path[1..*];
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::partitioning::FieldBasedForTds extends FieldBased
{
  partitionFields: String[1..*];
}

/**********
 * empty dataset handling
 **********/

Class
<>
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::emptyhandling::EmptyDatasetHandling
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::emptyhandling::NoOp extends EmptyDatasetHandling
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::emptyhandling::DeleteTargetData extends EmptyDatasetHandling
{
}

/**********
 * action fields
 **********/

Class
<>
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::actionindicator::ActionIndicatorFields
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::actionindicator::NoActionIndicator extends ActionIndicatorFields
{
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::actionindicator::DeleteIndicator extends ActionIndicatorFields
{
  deleteValues: String[1..*];
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::actionindicator::DeleteIndicatorForGraphFetch extends DeleteIndicator
{
  deleteFieldPath: Path[1];
}

Class
{doc.doc = ''}
meta::pure::persistence::metamodel::dataset::actionindicator::DeleteIndicatorForTds extends DeleteIndicator
{
  deleteField: String[1];
}

/**********
 * service output
 **********/

Class
<>
{doc.doc = 'The output (or part of the output in the case of a deep graph fetch) of the service to be mapped.'}
meta::pure::persistence::metamodel::service::ServiceOutput
{
  keyNames()
  {
    $this->match([
      tds: TdsServiceOutput[1] | $tds.keys,
      graphFetch: GraphFetchServiceOutput[1] | $graphFetch.keys->map(k | $k->leafPropertyName())->toOneMany()
    ])
  }: String[1..*];

  datasetType: DatasetType[1];
  deduplication: Deduplication[1];
}

Class
{doc.doc = 'Service output dataset that is the entire result of a TDS service.'}
meta::pure::persistence::metamodel::service::TdsServiceOutput extends ServiceOutput
{
  keys: String[1..*];
}

Class
{doc.doc = 'Service output dataset that starts at a path within a graph fetch tree.'}
meta::pure::persistence::metamodel::service::GraphFetchServiceOutput extends ServiceOutput
{
  path: Path[0..1];
  keys: Path[1..*];
}

function <> meta::pure::persistence::metamodel::service::leafPropertyName(path: Path[1]): String[1]
{
  $path.path->filter(pe | $pe->instanceOf(PropertyPathElement))->last()->cast(@PropertyPathElement).property.name->toOne();
}

/**********
 * persistence target
 **********/

Class
<>
{doc.doc = 'The persistence target to which service output is being mapped'}
meta::pure::persistence::metamodel::target::PersistenceTarget
{
}