Class Event

java.lang.Object
com.google.adk.JsonBaseModel
com.google.adk.events.Event
public class Event extends JsonBaseModel
Represents an event in a session.

  • Method Details

    • generateEventId

      public static String generateEventId()

    • id

      public String id()
      The event id.

    • setId

      public void setId(String id)

    • invocationId

      public String invocationId()
      Id of the invocation that this event belongs to.

    • setInvocationId

      public void setInvocationId(String invocationId)

    • author

      public String author()
      The author of the event, it could be the name of the agent or "user" literal.

    • setAuthor

      public void setAuthor(String author)

    • content

      public Optional<com.google.genai.types.Content> content()

    • setContent

      public void setContent(Optional<com.google.genai.types.Content> content)

    • actions

      public EventActions actions()

    • setActions

      public void setActions(EventActions actions)

    • longRunningToolIds

      public Optional<Set<String>> longRunningToolIds()
      Set of ids of the long running function calls. Agent client will know from this field about which function call is long running.

    • setLongRunningToolIds

      public void setLongRunningToolIds(Optional<Set<String>> longRunningToolIds)

    • partial

      public Optional<Boolean> partial()
      partial is true for incomplete chunks from the LLM streaming response. The last chunk's partial is False.

    • setPartial

      public void setPartial(Optional<Boolean> partial)

    • turnComplete

      public Optional<Boolean> turnComplete()

    • setTurnComplete

      public void setTurnComplete(Optional<Boolean> turnComplete)

    • errorCode

      public Optional<com.google.genai.types.FinishReason> errorCode()

    • setErrorCode

      public void setErrorCode(Optional<com.google.genai.types.FinishReason> errorCode)

    • errorMessage

      public Optional<String> errorMessage()

    • setErrorMessage

      public void setErrorMessage(Optional<String> errorMessage)

    • interrupted

      public Optional<Boolean> interrupted()

    • setInterrupted

      public void setInterrupted(Optional<Boolean> interrupted)

    • branch

      public Optional<String> branch()
      The branch of the event. The format is like agent_1.agent_2.agent_3, where agent_1 is the parent of agent_2, and agent_2 is the parent of agent_3. Branch is used when multiple sub-agent shouldn't see their peer agents' conversation history.

    • branch

      public void branch(@Nullable String branch)
      Sets the branch for this event.

      Format: agentA.agentB.agentC — shows hierarchy of nested agents.

      Parameters:
      branch - Branch identifier.

    • branch

      public void branch(Optional<String> branch)

    • groundingMetadata

      public Optional<com.google.genai.types.GroundingMetadata> groundingMetadata()
      The grounding metadata of the event.

    • setGroundingMetadata

      public void setGroundingMetadata(Optional<com.google.genai.types.GroundingMetadata> groundingMetadata)

    • timestamp

      public long timestamp()
      The timestamp of the event.

    • setTimestamp

      public void setTimestamp(long timestamp)

    • functionCalls

      public final com.google.common.collect.ImmutableList<com.google.genai.types.FunctionCall> functionCalls()
      Returns all function calls from this event.

    • functionResponses

      public final com.google.common.collect.ImmutableList<com.google.genai.types.FunctionResponse> functionResponses()
      Returns all function responses from this event.

    • finalResponse

      public final boolean finalResponse()
      Returns true if this is a final response.

    • stringifyContent

      public final String stringifyContent()
      Converts the event content into a readable string.

      Includes text, function calls, and responses.

      Returns:
      Stringified content.

    • builder

      public static Event.Builder builder()

    • fromJson

      public static Event fromJson(String json)
      Parses an event from a JSON string.

    • toBuilder

      public Event.Builder toBuilder()
      Creates a builder pre-filled with this event's values.

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object