Class BedrockSystemMessage.Builder

java.lang.Object

dev.langchain4j.model.bedrock.BedrockSystemMessage.Builder

Enclosing class:

BedrockSystemMessage

public static class BedrockSystemMessage.Builder
extends Object

Builder for BedrockSystemMessage.

Since:

1.11.0

Constructor Summary

Constructors

Constructor	Description
Builder()

Method Summary

Modifier and Type	Method	Description
BedrockSystemMessage.Builder	addContent(BedrockSystemContent content)	Adds a content block.
BedrockSystemMessage.Builder	addText(String text)	Adds text content WITHOUT cache point.
BedrockSystemMessage.Builder	addTextWithCachePoint(String text)	Adds text content WITH cache point marker.
BedrockSystemMessage	build()	Builds the message.
BedrockSystemMessage.Builder	contents(List<BedrockSystemContent> contents)	Sets all content blocks (replaces any existing).

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Builder

public Builder()

Method Details

contents

public BedrockSystemMessage.Builder contents(List<BedrockSystemContent> contents)

Sets all content blocks (replaces any existing).

Parameters:

contents - the content blocks (1-10 blocks, no nulls)

Returns:

this builder

Throws:

IllegalArgumentException - if contents is null, empty, has nulls, or exceeds max

addContent

public BedrockSystemMessage.Builder addContent(BedrockSystemContent content)

Adds a content block.

Parameters:

content - the content block

Returns:

this builder

Throws:

IllegalArgumentException - if content is null or max blocks exceeded

addText

public BedrockSystemMessage.Builder addText(String text)

Adds text content WITHOUT cache point.

Parameters:

text - the text content

Returns:

this builder

Throws:

IllegalArgumentException - if text is null or blank

addTextWithCachePoint

public BedrockSystemMessage.Builder addTextWithCachePoint(String text)

Adds text content WITH cache point marker. A cache point will be inserted after this content in the Bedrock request.

Note: For caching to activate, content should be at least ~1,024 tokens.

Parameters:

text - the text content

Returns:

this builder

Throws:

IllegalArgumentException - if text is null or blank

build

public BedrockSystemMessage build()

Builds the message.

Returns:

new BedrockSystemMessage