@finos/legend-graph
Version:
Legend graph and graph manager
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text/typescript
/**
* Copyright (c) 2020-present, 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 { type Hashable, hashArray } from '@finos/legend-shared';
import { CORE_HASH_STRUCTURE } from '../../../../../../../graph/Core_HashUtils.js';
import type { SetImplementationVisitor } from '../../../mapping/SetImplementation.js';
import type {
RelationalMappingSpecification,
TableAlias,
} from '../model/RelationalOperationElement.js';
import type { ColumnMapping } from '../model/ColumnMapping.js';
import { RelationalInstanceSetImplementation } from './RelationalInstanceSetImplementation.js';
import type { GroupByMapping } from './GroupByMapping.js';
import type { FilterMapping } from './FilterMapping.js';
export class RootRelationalInstanceSetImplementation
extends RelationalInstanceSetImplementation
implements RelationalMappingSpecification, Hashable
{
columnMappings: ColumnMapping[] = [];
filter?: FilterMapping | undefined;
distinct?: boolean | undefined;
groupBy?: GroupByMapping | undefined;
mainTableAlias?: TableAlias;
override accept_SetImplementationVisitor<T>(
visitor: SetImplementationVisitor<T>,
): T {
return visitor.visit_RootRelationalInstanceSetImplementation(this);
}
override get hashCode(): string {
return hashArray([
CORE_HASH_STRUCTURE.ROOT_RELATIONAL_INSTANCE_SET_IMPLEMENTATION,
super.hashCode,
this.mainTableAlias?.relation.pointerHashCode ?? '',
this.distinct?.toString() ?? '',
hashArray(this.groupBy?.columns ?? []),
this.filter ?? '',
]);
}
}