/**
 * 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 { uuid } from '@finos/legend-shared';
import { QueryBuilderSimpleProjectionColumnState, } from '../projection/QueryBuilderProjectionColumnState.js';
import { computed, makeObservable } from 'mobx';
export class QueryBuilderAggregateOperator {
    uuid = uuid();
    constructor() {
        makeObservable(this, {
            getOperator: computed,
            allValidationIssues: computed,
            hashCode: computed,
        });
    }
    buildAggregateExpressionFromState(aggregateColumnState) {
        return this.buildAggregateExpression(aggregateColumnState.projectionColumnState instanceof
            QueryBuilderSimpleProjectionColumnState
            ? aggregateColumnState.projectionColumnState.propertyExpressionState
                .propertyExpression
            : undefined, aggregateColumnState.lambdaParameterName, aggregateColumnState.aggregationState.tdsState.queryBuilderState
            .graphManagerState.graph);
    }
    /**
     * Returns the expected return type of the operator.
     * defaults to using the return type of the projection column state which is being aggregated.
     */
    getReturnType(aggregateColumnState) {
        return aggregateColumnState.projectionColumnState.getColumnType();
    }
    get getOperator() {
        return this;
    }
    get allValidationIssues() {
        return [];
    }
}
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