Class: DeepAgents::ReactAgent

Inherits:
Object
  • Object
show all
Defined in:
lib/deepagents/graph.rb

Overview

ReactAgent class for implementing the React pattern

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tools, instructions, model, state_schema = nil) ⇒ ReactAgent

Returns a new instance of ReactAgent.



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# File 'lib/deepagents/graph.rb', line 12

def initialize(tools, instructions, model, state_schema = nil)
  @tools = tools
  @instructions = instructions
  @model = model
  @state = DeepAgentState.new
  @tool_registry = ToolRegistry.new
  
  # Register tools
  tools.each do |tool|
    @tool_registry.register(tool)
  end
end

Instance Attribute Details

#instructions ⇒ Object (readonly)

Returns the value of attribute instructions.



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# File 'lib/deepagents/graph.rb', line 10

def instructions
  @instructions
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/deepagents/graph.rb', line 10

def model
  @model
end

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/deepagents/graph.rb', line 10

def state
  @state
end

#tools ⇒ Object (readonly)

Returns the value of attribute tools.



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# File 'lib/deepagents/graph.rb', line 10

def tools
  @tools
end

Instance Method Details

#run(max_iterations = 10) ⇒ Object 



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# File 'lib/deepagents/graph.rb', line 25

def run(max_iterations = 10)
  iterations = 0
  messages = []
  
  while iterations < max_iterations
    iterations += 1
    
    prompt = build_prompt(messages)
    response = @model.generate(prompt, @tools)
    
    if response[:tool_calls] && !response[:tool_calls].empty?
      tool_call = response[:tool_calls].first
      tool_name = tool_call[:name]
      tool_args = tool_call[:arguments]
      
      begin
        tool = @tool_registry.get(tool_name)
        result = execute_tool(tool, tool_args)
        
        messages << { role: "assistant", content: "I'll use the #{tool_name} tool." }
        messages << { role: "system", content: "Tool result: #{result}" }
      rescue => e
        messages << { role: "system", content: "Error: #{e.message}" }
      end
    else
      messages << { role: "assistant", content: response[:content] }
      break
    end
  end
  
  if iterations >= max_iterations
    raise MaxIterationsError.new(max_iterations)
  end
  
  # Return the final response
  messages.last[:content]
end