PostgresRemoteSnapshotClient
public class PostgresRemoteSnapshotClient implements RemoteSnapshotClient源码Source
io/agentscope/extensions/postgresql/snapshot/PostgresRemoteSnapshotClient.java:39–130Postgres 远程快照客户端，封装与远端服务的连接和调用。位于 io.agentscope.extensions.postgresql.snapshot 包，实现 RemoteSnapshotClient。核心成员包括 upload、download、exists、PostgresRemoteSnapshotClient。
RemoteSnapshotClient backed by a PostgreSQL BYTEA column.
Stores sandbox workspace tar archives in a database table with columns
(snapshot_id VARCHAR PK, data BYTEA, created_at TIMESTAMP).
The table is auto-created if it does not exist when initializeSchema is true.
构造器摘要Constructor Summary
| 构造器Constructor | 说明Description |
|---|---|
public PostgresRemoteSnapshotClient(DataSource dataSource, boolean initializeSchema) | 初始化 `PostgresRemoteSnapshotClient` 实例。 Creates a new instance. |
public PostgresRemoteSnapshotClient(DataSource dataSource, String tableName, boolean initializeSchema) | 初始化 `PostgresRemoteSnapshotClient` 实例。 Creates a new instance. |
方法摘要Method Summary
| 方法Method | 说明Description |
|---|---|
public void upload(String snapshotId, InputStream data) throws Exception | 执行上传相关操作。 Performs the upload operation. |
public InputStream download(String snapshotId) throws Exception | 设置下载。 Performs the download operation. |
public boolean exists(String snapshotId) throws Exception | 判断数据是否存在。 Performs the exists operation. |
构造器详情Constructor Detail
PostgresRemoteSnapshotClient
public PostgresRemoteSnapshotClient(DataSource dataSource, boolean initializeSchema)初始化 PostgresRemoteSnapshotClient 实例。
Creates a new instance.
参数Parameters
| 名称Name | 类型Type | 说明Description |
|---|---|---|
dataSource | DataSource | 数据来源（类型 `DataSource`）。The data source. |
initializeSchema | boolean | 初始化模式（类型 `boolean`）。The initialize schema. |
源码Source
io/agentscope/extensions/postgresql/snapshot/PostgresRemoteSnapshotClient.java:48–50PostgresRemoteSnapshotClient
public PostgresRemoteSnapshotClient(DataSource dataSource, String tableName, boolean initializeSchema)初始化 PostgresRemoteSnapshotClient 实例。
Creates a new instance.
参数Parameters
| 名称Name | 类型Type | 说明Description |
|---|---|---|
dataSource | DataSource | 数据来源（类型 `DataSource`）。The data source. |
tableName | String | table 名称（类型 `String`）。The table name. |
initializeSchema | boolean | 初始化模式（类型 `boolean`）。The initialize schema. |
源码Source
io/agentscope/extensions/postgresql/snapshot/PostgresRemoteSnapshotClient.java:52–59方法详情Method Detail
upload
public void upload(String snapshotId, InputStream data) throws Exception执行上传相关操作。
Performs the upload operation.
参数Parameters
| 名称Name | 类型Type | 说明Description |
|---|---|---|
snapshotId | String | 快照标识（类型 `String`）。The snapshot id. |
data | InputStream | 数据（类型 `InputStream`）。The data. |
Exception可能抛出 `Exception`。Thrown when the operation cannot be completed.
源码Source
io/agentscope/extensions/postgresql/snapshot/PostgresRemoteSnapshotClient.java:80–99download
public InputStream download(String snapshotId) throws Exception设置下载。
Performs the download operation.
参数Parameters
| 名称Name | 类型Type | 说明Description |
|---|---|---|
snapshotId | String | 快照标识（类型 `String`）。The snapshot id. |
InputStream返回InputStream。Returns input stream.
Exception可能抛出 `Exception`。Thrown when the operation cannot be completed.
源码Source
io/agentscope/extensions/postgresql/snapshot/PostgresRemoteSnapshotClient.java:101–116exists
public boolean exists(String snapshotId) throws Exception判断数据是否存在。
Performs the exists operation.
参数Parameters
| 名称Name | 类型Type | 说明Description |
|---|---|---|
snapshotId | String | 快照标识（类型 `String`）。The snapshot id. |
boolean返回布尔值，表示判断结果。Returns a boolean result.
Exception可能抛出 `Exception`。Thrown when the operation cannot be completed.
源码Source
io/agentscope/extensions/postgresql/snapshot/PostgresRemoteSnapshotClient.java:118–129