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40 lines
1.4 KiB
40 lines
1.4 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var METADATA_KEY = require("../constants/metadata_keys");
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var metadata_1 = require("../planning/metadata");
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var traverseAncerstors = function (request, constraint) {
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var parent = request.parentRequest;
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if (parent !== null) {
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return constraint(parent) ? true : traverseAncerstors(parent, constraint);
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}
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else {
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return false;
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}
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};
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exports.traverseAncerstors = traverseAncerstors;
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var taggedConstraint = function (key) { return function (value) {
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var constraint = function (request) {
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return request !== null && request.target !== null && request.target.matchesTag(key)(value);
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};
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constraint.metaData = new metadata_1.Metadata(key, value);
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return constraint;
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}; };
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exports.taggedConstraint = taggedConstraint;
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var namedConstraint = taggedConstraint(METADATA_KEY.NAMED_TAG);
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exports.namedConstraint = namedConstraint;
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var typeConstraint = function (type) { return function (request) {
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var binding = null;
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if (request !== null) {
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binding = request.bindings[0];
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if (typeof type === "string") {
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var serviceIdentifier = binding.serviceIdentifier;
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return serviceIdentifier === type;
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}
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else {
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var constructor = request.bindings[0].implementationType;
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return type === constructor;
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}
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}
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return false;
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}; };
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exports.typeConstraint = typeConstraint;
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