Get context cache

Get information about a specific context cache, such as its creation time and expiration time.

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For detailed documentation that includes this code sample, see the following:

Code sample

C#

Before trying this sample, follow the C# setup instructions in the Vertex AI quickstart using client libraries. For more information, see the Vertex AI C# API reference documentation.

To authenticate to Vertex AI, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 


using Google.Cloud.AIPlatform.V1Beta1;
using System;
using System.Threading.Tasks;

public class GetContextCache
{
    public async Task<CachedContent> Get(CachedContentName name)
    {
        var client = await new GenAiCacheServiceClientBuilder
        {
            Endpoint = "us-central1-aiplatform.googleapis.com"
        }.BuildAsync();

        var cachedContent = await client.GetCachedContentAsync(new GetCachedContentRequest
        {
            CachedContentName = name
        });

        Console.WriteLine($"Get cache: {cachedContent.Name}");
        return cachedContent;
    }
}

Go

Before trying this sample, follow the Go setup instructions in the Vertex AI quickstart using client libraries. For more information, see the Vertex AI Go API reference documentation.

To authenticate to Vertex AI, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

import (
	"context"
	"fmt"
	"io"

	"cloud.google.com/go/vertexai/genai"
)

// getContextCache shows how to retrieve the metadata of a cached content
// contentName is the ID of the cached content to retrieve
func getContextCache(w io.Writer, contentName string, projectID, location string) error {
	// location := "us-central1"
	ctx := context.Background()

	client, err := genai.NewClient(ctx, projectID, location)
	if err != nil {
		return fmt.Errorf("unable to create client: %w", err)
	}
	defer client.Close()

	cachedContent, err := client.GetCachedContent(ctx, contentName)
	if err != nil {
		return fmt.Errorf("GetCachedContent: %w", err)
	}
	fmt.Fprintf(w, "Retrieved cached content %q", cachedContent.Name)
	return nil
}

What's next

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