Initial commit: Brainy - Multi-Dimensional AI Database

Open source vector database with HNSW indexing, graph relationships,
and metadata facets. Features CLI with professional augmentation registry
integration for discovering extensions and capabilities.

dist/utils/operationUtils.js

@@ -0,0 +1,126 @@
+/**
+ * Utility functions for timeout and retry logic
+ * Used by storage adapters to handle network operations reliably
+ */
+import { BrainyError } from '../errors/brainyError.js';
+// Default configuration values
+export const DEFAULT_TIMEOUTS = {
+    get: 30000, // 30 seconds
+    add: 60000, // 1 minute
+    delete: 30000 // 30 seconds
+};
+export const DEFAULT_RETRY_POLICY = {
+    maxRetries: 3,
+    initialDelay: 1000,
+    maxDelay: 10000,
+    backoffMultiplier: 2
+};
+/**
+ * Wraps a promise with a timeout
+ */
+export function withTimeout(promise, timeoutMs, operation) {
+    return new Promise((resolve, reject) => {
+        const timeoutId = setTimeout(() => {
+            reject(BrainyError.timeout(operation, timeoutMs));
+        }, timeoutMs);
+        promise
+            .then((result) => {
+            clearTimeout(timeoutId);
+            resolve(result);
+        })
+            .catch((error) => {
+            clearTimeout(timeoutId);
+            reject(error);
+        });
+    });
+}
+/**
+ * Calculates the delay for exponential backoff
+ */
+function calculateBackoffDelay(attemptNumber, initialDelay, maxDelay, backoffMultiplier) {
+    const delay = initialDelay * Math.pow(backoffMultiplier, attemptNumber - 1);
+    return Math.min(delay, maxDelay);
+}
+/**
+ * Sleeps for the specified number of milliseconds
+ */
+function sleep(ms) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+}
+/**
+ * Executes an operation with retry logic and exponential backoff
+ */
+export async function withRetry(operation, operationName, config = {}) {
+    const { maxRetries = DEFAULT_RETRY_POLICY.maxRetries, initialDelay = DEFAULT_RETRY_POLICY.initialDelay, maxDelay = DEFAULT_RETRY_POLICY.maxDelay, backoffMultiplier = DEFAULT_RETRY_POLICY.backoffMultiplier } = config;
+    let lastError;
+    for (let attempt = 1; attempt <= maxRetries + 1; attempt++) {
+        try {
+            return await operation();
+        }
+        catch (error) {
+            lastError = error instanceof Error ? error : new Error(String(error));
+            // If this is the last attempt, don't retry
+            if (attempt > maxRetries) {
+                break;
+            }
+            // Check if the error is retryable
+            if (!BrainyError.isRetryable(lastError)) {
+                throw BrainyError.fromError(lastError, operationName);
+            }
+            // Calculate delay for exponential backoff
+            const delay = calculateBackoffDelay(attempt, initialDelay, maxDelay, backoffMultiplier);
+            console.warn(`Operation '${operationName}' failed on attempt ${attempt}/${maxRetries + 1}. ` +
+                `Retrying in ${delay}ms. Error: ${lastError.message}`);
+            // Wait before retrying
+            await sleep(delay);
+        }
+    }
+    // All retries exhausted
+    throw BrainyError.retryExhausted(operationName, maxRetries, lastError);
+}
+/**
+ * Executes an operation with both timeout and retry logic
+ */
+export async function withTimeoutAndRetry(operation, operationName, timeoutMs, retryConfig = {}) {
+    return withRetry(() => withTimeout(operation(), timeoutMs, operationName), operationName, retryConfig);
+}
+/**
+ * Creates a configured operation executor for a specific operation type
+ */
+export function createOperationExecutor(operationType, config = {}) {
+    const timeouts = { ...DEFAULT_TIMEOUTS, ...config.timeouts };
+    const retryPolicy = { ...DEFAULT_RETRY_POLICY, ...config.retryPolicy };
+    const timeoutMs = timeouts[operationType];
+    return async function executeOperation(operation, operationName) {
+        return withTimeoutAndRetry(operation, operationName, timeoutMs, retryPolicy);
+    };
+}
+/**
+ * Storage operation executors for different operation types
+ */
+export class StorageOperationExecutors {
+    constructor(config = {}) {
+        this.getExecutor = createOperationExecutor('get', config);
+        this.addExecutor = createOperationExecutor('add', config);
+        this.deleteExecutor = createOperationExecutor('delete', config);
+    }
+    /**
+     * Execute a get operation with timeout and retry
+     */
+    async executeGet(operation, operationName) {
+        return this.getExecutor(operation, operationName);
+    }
+    /**
+     * Execute an add operation with timeout and retry
+     */
+    async executeAdd(operation, operationName) {
+        return this.addExecutor(operation, operationName);
+    }
+    /**
+     * Execute a delete operation with timeout and retry
+     */
+    async executeDelete(operation, operationName) {
+        return this.deleteExecutor(operation, operationName);
+    }
+}
+//# sourceMappingURL=operationUtils.js.map