Module schema_cache 

Core traits and types.

Always available regardless of feature flags. Includes:

• Agent - The fundamental trait for all agents
• Tool / Toolset - For extending agents with capabilities
• Session / State - For managing conversation context
• Event - For streaming agent responses
• AdkError / Result - Unified error handling Thread-safe schema cache for tool parameter schemas. Schema normalization cache for LLM provider adapters.

Binds one adapter to each cache and stores normalized schemas by content hash, avoiding redundant normalization without allowing one adapter’s result to be returned for another adapter. The hash ignores the order object keys were written in, so when serde_json/preserve_order is enabled — where insertion order would otherwise change the key — one schema built two different ways is one entry.

Example

use adk_core::{GenericSchemaAdapter, SchemaCache};
use serde_json::json;
use std::sync::Arc;

let cache = SchemaCache::for_adapter(Arc::new(GenericSchemaAdapter));
let schema = json!({"type": "object", "properties": {"name": {"type": "string"}}});

// First call normalizes and caches
let result1 = cache.normalize(&schema);

// Second call returns cached value without re-normalizing
let result2 = cache.normalize(&schema);
assert_eq!(result1, result2);

Structs

SchemaCache

A thread-safe cache for normalized JSON Schemas.