@comunica/bus-query-operation
Version:
A comunica bus for query-operation events.
48 lines • 2.34 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ActorQueryOperationTyped = void 0;
const context_entries_1 = require("@comunica/context-entries");
const core_1 = require("@comunica/core");
const utils_metadata_1 = require("@comunica/utils-metadata");
const ActorQueryOperation_1 = require("./ActorQueryOperation");
/**
* A base implementation for query operation actors for a specific operation type.
*/
class ActorQueryOperationTyped extends ActorQueryOperation_1.ActorQueryOperation {
operationName;
constructor(args, operationName) {
super(args);
this.operationName = operationName;
if (!this.operationName) {
throw new Error('A valid "operationName" argument must be provided.');
}
}
async test(action) {
if (!action.operation) {
return (0, core_1.failTest)('Missing field \'operation\' in a query operation action.');
}
if (action.operation.type !== this.operationName) {
return (0, core_1.failTest)(`Actor ${this.name} only supports ${this.operationName} operations, but got ${action.operation.type}`);
}
const operation = action.operation;
return this.testOperation(operation, action.context);
}
async run(action, sideData) {
// Log to physical plan
const physicalQueryPlanLogger = action.context
.get(context_entries_1.KeysInitQuery.physicalQueryPlanLogger);
if (physicalQueryPlanLogger) {
physicalQueryPlanLogger.logOperation(action.operation.type, undefined, action.operation, action.context.get(context_entries_1.KeysInitQuery.physicalQueryPlanNode), this.name, {});
action.context = action.context.set(context_entries_1.KeysInitQuery.physicalQueryPlanNode, action.operation);
}
const operation = action.operation;
const subContext = action.context.set(context_entries_1.KeysQueryOperation.operation, operation);
const output = await this.runOperation(operation, subContext, sideData);
if ('metadata' in output) {
output.metadata = (0, utils_metadata_1.cachifyMetadata)(output.metadata);
}
return output;
}
}
exports.ActorQueryOperationTyped = ActorQueryOperationTyped;
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