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export interface ActivationItem {
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name: string;
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service: string;
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}
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/**
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* Contains information about the error which occurred during service activation.
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*
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* Information about activation error includes original exception which has
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* occurred, the name of the service being activated and activation stack of
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* services.
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*/
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export class ActivationError {
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/**
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* Stack of services being activating
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*/
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readonly activationStack: ActivationItem[];
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/**
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* The name of the failed service
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*/
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readonly service: string;
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/**
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* The exception which occurred during activation of the service
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*/
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readonly innerException: unknown;
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/**
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* Error message
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*/
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readonly message: string;
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constructor(service: string, activationStack: ActivationItem[], innerException: unknown) {
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this.message = "Failed to activate the service";
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this.activationStack = activationStack;
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this.service = service;
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this.innerException = innerException;
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}
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toString() {
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const parts = [this.message];
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if (this.service)
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parts.push(`when activating: ${String(this.service)}`);
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if (this.innerException)
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parts.push(`caused by: ${String(this.innerException)}`);
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if (this.activationStack) {
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parts.push("at");
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parts.push.apply(null,
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this.activationStack
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.map(({ name, service }) => ` ${name} ${service}`)
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);
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}
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return parts.join("\n");
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}
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}
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