Enhancements

[sshaaf]

1. Dynamic Task Creation

• File: DynamicTask.java
• Purpose: Enables tasks to create child tasks at runtime based on input data
• Key Features:
  • createChildren() method for dynamic parallel task generation
  • combineResults() method for result aggregation
  • Configurable parallelism limits and concurrency control
  • Perfect for file chunking and data partitioning scenarios

2. Resource Management System

• Files: ResourceRequirements.java, ResourceConstraint.java, ResourceAwareTask.java
• Purpose: Prevents resource starvation and enables intelligent scheduling
• Key Features:
  • Resource estimation with memory, CPU, and I/O awareness
  • Resource constraint notifications for adaptive behavior
  • Built-in factory methods for common resource patterns
  • Integration with pipeline scheduling decisions

3. Enhanced Pipeline Configuration

• Files: TaskPipelineConfig.java, EnhancedTaskPipeline.java
• Purpose: Comprehensive configuration and advanced pipeline patterns
• Key Features:
  • Builder pattern for easy configuration
  • Resource manager integration
  • Caching, metrics, and backpressure support
  • Error handling strategy configuration

4. Fan-Out/Fan-In Patterns

• File: EnhancedTaskPipeline.java
• Purpose: Elegant parallel processing with automatic result aggregation
• Key Features:
  • Fluent API for fan-out configuration
  • Dynamic task factory functions
  • Configurable parallelism and load balancing
  • Automatic result collection and combination

5. Streaming Task Support

• Files: StreamingTask.java, StreamConsumerTask.java
• Purpose: Memory-efficient processing of large datasets
• Key Features:
  • Lazy stream evaluation for memory efficiency
  • Configurable parallel stream support
  • Stream size estimation for optimization
  • Ordered vs unordered stream processing

6. Work Stealing and Load Balancing

• File: SplittableTask.java + Enhanced Pipeline Integration
• Purpose: Better resource utilization and dynamic load distribution
• Key Features:
  • Dynamic work splitting based on input characteristics
  • Work size estimation for intelligent splitting decisions
  • Automatic result combination from split tasks
  • Integration with work-stealing thread pools

Phase 3: Built-in Task Types

7. Functional Programming Patterns

• Files: MapTask.java, ReduceTask.java, FilterTask.java
• Purpose: Common data processing patterns with optimized implementations
• Key Features:
  • MapTask: Transform collections with parallel execution support
  • ReduceTask: Aggregate data with associative operations
  • FilterTask: Select data subsets with predicate functions
  • Built-in parallel execution capabilities
  • Configurable batch sizes and optimization hints

🏗️ Architecture Overview

Enhanced Class Hierarchy

Task<I, O> (existing)
├── DynamicTask<I, O>          // Creates child tasks dynamically
├── ResourceAwareTask<I, O>    // Provides resource estimates
├── StreamingTask<I, O>        // Produces streams of results  
├── StreamConsumerTask<I, O>   // Consumes streams of input
├── SplittableTask<I, O>       // Supports work stealing
├── MapTask<I, O>              // Transform collections
├── ReduceTask<I, O>           // Aggregate data
└── FilterTask<T>              // Filter collections

TaskPipeline (existing)
└── EnhancedTaskPipeline       // Fan-out/fan-in + resource management

Configuration Classes

TaskPipelineConfig
├── ResourceManager            // Resource scheduling
├── CacheConfig               // Result caching
├── MetricsCollector          // Performance tracking
├── BackpressureConfig        // Flow control
└── ErrorHandlingStrategy     // Error recovery

ResourceRequirements          // Resource estimation
ResourceConstraint           // Current resource state