classDiagram class CacheResource { <> +GET /cache/:key : CacheEntryResponse +PUT /cache/:key : CacheEntryResponse +DELETE /cache/:key : DeleteResponse +POST /cache/batch : BatchResponse +GET /cache/keys : KeyListResponse +POST /cache/clear : ClearResponse } class CacheStatsResource { <> +GET /cache/stats : StatsResponse +GET /cache/stats/:nodeId : NodeStatsResponse +GET /cache/health : HealthResponse } class CacheEntryRequest { <> +string key +string value +int ttl +string namespace +map~string~ metadata } class CacheEntryResponse { <> +string key +string value +long createdAt +long expiresAt +int version +string nodeId } class BatchRequest { <> +list~BatchOperation~ operations } class BatchOperation { <> +string type +string key +string value +int ttl } class BatchResponse { <> +int successCount +int failureCount +list~OperationResult~ results } class OperationResult { <> +string key +boolean success +string error } class DeleteResponse { <> +boolean deleted +string key +long deletedAt } class KeyListResponse { <> +list~string~ keys +int totalCount +string cursor +boolean hasMore } class ClearResponse { <> +int clearedCount +list~string~ namespaces +long clearedAt } class StatsResponse { <> +long totalKeys +long hitCount +long missCount +double hitRate +long evictionCount +long memoryUsageBytes +list~NodeStats~ nodes } class NodeStats { <> +string nodeId +string status +long keyCount +long memoryUsageBytes +double cpuUsage } class NodeStatsResponse { <> +string nodeId +long keyCount +long hitCount +long missCount +long memoryUsageBytes +string status } class HealthResponse { <> +string status +int healthyNodes +int totalNodes +list~NodeHealth~ nodeHealth } class NodeHealth { <> +string nodeId +boolean healthy +long lastHeartbeat +string errorMessage } CacheResource --> CacheEntryRequest CacheResource --> CacheEntryResponse CacheResource --> BatchRequest CacheResource --> BatchResponse CacheResource --> DeleteResponse CacheResource --> KeyListResponse CacheResource --> ClearResponse CacheStatsResource --> StatsResponse CacheStatsResource --> NodeStatsResponse CacheStatsResource --> HealthResponse BatchRequest --> BatchOperation BatchResponse --> OperationResult StatsResponse --> NodeStats HealthResponse --> NodeHealth

Distributed Cache

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