删除上下文缓存

删除不再使用的特定上下文缓存。

深入探索

如需查看包含此代码示例的详细文档,请参阅以下内容:

代码示例

Go

在尝试此示例之前,请按照《Vertex AI 快速入门:使用客户端库》中的 Go 设置说明执行操作。 如需了解详情,请参阅 Vertex AI Go API 参考文档

如需向 Vertex AI 进行身份验证,请设置应用默认凭证。 如需了解详情,请参阅为本地开发环境设置身份验证

import (
	"context"
	"fmt"
	"io"

	genai "google.golang.org/genai"
)

// deleteContentCache shows how to delete content cache.
func deleteContentCache(w io.Writer, cacheName string) error {
	ctx := context.Background()

	client, err := genai.NewClient(ctx, &genai.ClientConfig{
		HTTPOptions: genai.HTTPOptions{APIVersion: "v1"},
	})
	if err != nil {
		return fmt.Errorf("failed to create genai client: %w", err)
	}

	_, err = client.Caches.Delete(ctx, cacheName, &genai.DeleteCachedContentConfig{})
	if err != nil {
		return fmt.Errorf("failed to delete content cache: %w", err)
	}

	fmt.Fprintf(w, "Deleted cache %q\n", cacheName)

	// Example response:
	// Deleted cache "projects/111111111111/locations/us-central1/cachedContents/1111111111111111111"

	return nil
}

Java

在尝试此示例之前,请按照《Vertex AI 快速入门:使用客户端库》中的 Java 设置说明执行操作。 如需了解详情,请参阅 Vertex AI Java API 参考文档

如需向 Vertex AI 进行身份验证,请设置应用默认凭证。 如需了解详情,请参阅为本地开发环境设置身份验证


import com.google.genai.Client;
import com.google.genai.types.HttpOptions;

public class ContentCacheDelete {

  public static void main(String[] args) {
    // TODO(developer): Replace these variables before running the sample.
    // E.g cacheName = "projects/111111111111/locations/global/cachedContents/1111111111111111111"
    String cacheName = "your-cache-name";
    contentCacheDelete(cacheName);
  }

  // Deletes the cache using the specified cache name
  public static void contentCacheDelete(String cacheName) {
    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests.
    try (Client client =
        Client.builder()
            .location("global")
            .vertexAI(true)
            .httpOptions(HttpOptions.builder().apiVersion("v1").build())
            .build()) {

      client.caches.delete(cacheName, null);
      System.out.println("Deleted cache: " + cacheName);
      // Example response
      // Deleted cache: projects/111111111111/locations/global/cachedContents/1111111111111111111

    }
  }
}

Node.js

在尝试此示例之前,请按照《Vertex AI 快速入门:使用客户端库》中的 Node.js 设置说明执行操作。 如需了解详情,请参阅 Vertex AI Node.js API 参考文档

如需向 Vertex AI 进行身份验证,请设置应用默认凭证。 如需了解详情,请参阅为本地开发环境设置身份验证

const {GoogleGenAI} = require('@google/genai');

const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;
const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';

async function deleteContentCache(
  projectId = GOOGLE_CLOUD_PROJECT,
  location = GOOGLE_CLOUD_LOCATION,
  cacheName = 'example-cache'
) {
  const client = new GoogleGenAI({
    vertexai: true,
    project: projectId,
    location: location,
    httpOptions: {
      apiVersion: 'v1',
    },
  });

  console.log('Removing cache');
  const contentCache = await client.caches.delete({
    name: cacheName,
  });

  console.log(contentCache.text);

  return contentCache;
}
// Example response
//    Deleted Cache projects/111111111111/locations/us-central1/cachedContents/1111111111111111111

Python

在尝试此示例之前,请按照《Vertex AI 快速入门:使用客户端库》中的 Python 设置说明执行操作。 如需了解详情,请参阅 Vertex AI Python API 参考文档

如需向 Vertex AI 进行身份验证,请设置应用默认凭证。 如需了解详情,请参阅为本地开发环境设置身份验证

from google import genai

client = genai.Client()
# Delete content cache using name
# E.g cache_name = 'projects/111111111111/locations/us-central1/cachedContents/1111111111111111111'
client.caches.delete(name=cache_name)
print("Deleted Cache", cache_name)
# Example response
#   Deleted Cache projects/111111111111/locations/us-central1/cachedContents/1111111111111111111

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例,请参阅Google Cloud 示例浏览器