@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 { ColumnMapping } from './ColumnMapping.js';
import type { Schema } from './Schema.js';
import type { Column } from './Column.js';
import {
type RelationalMappingSpecification,
NamedRelation,
} from './RelationalOperationElement.js';
import type { GroupByMapping } from '../mapping/GroupByMapping.js';
import type { FilterMapping } from '../mapping/FilterMapping.js';
export class View
extends NamedRelation
implements RelationalMappingSpecification, Hashable
{
schema!: Schema;
primaryKey: Column[] = [];
columnMappings: ColumnMapping[] = [];
filter?: FilterMapping | undefined;
distinct?: boolean | undefined;
groupBy?: GroupByMapping | undefined;
constructor(name: string, schema: Schema) {
super(name);
this.schema = schema;
}
override get hashCode(): string {
return hashArray([
CORE_HASH_STRUCTURE.DATBASE_VIEW,
this.name,
Boolean(this.distinct).toString(),
this.filter ?? '',
hashArray(this.primaryKey.map((p) => p.name)),
hashArray(this.columnMappings),
hashArray(this.groupBy?.columns ?? []),
hashArray(this.stereotypes.map((val) => val.pointerHashCode)),
hashArray(this.taggedValues),
]);
}
}