类class io.agentscope.core.rag.store 2.x

Builder

public static class Builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:904–1042

构建器，用于构建并配置目标实例。位于 io.agentscope.core.rag.store 包。核心成员包括 jdbcUrl、username、password、schema、tableName、dimensions。

Builder for creating PgVectorStore instances with fluent configuration.

Example usage:

`PgVectorStore store = PgVectorStore.builder()
.jdbcUrl("jdbc:postgresql://localhost:5432/mydb")
.username("postgres")
.password("password")
.schema("my_schema")
.tableName("embeddings")
.dimensions(1024)
.distanceType(PgVectorStore.DistanceType.COSINE)
.connectionTimeoutMs(30000)
.build();
`

方法摘要Method Summary

方法Method	说明Description
`public` `Builder jdbcUrl(String jdbcUrl)`	设置PostgreSQL JDBC URL。 Sets the PostgreSQL JDBC URL.
`public` `Builder username(String username)`	设置该配置项。 Sets the database username.
`public` `Builder password(String password)`	设置数据库密码。 Sets the database password.
`public` `Builder schema(String schema)`	设置数据库模式。 Sets the database schema.
`public` `Builder tableName(String tableName)`	设置该配置项。 Sets the table name.
`public` `Builder dimensions(int dimensions)`	设置向量维度。 Sets the vector dimensions.
`public` `Builder distanceType(DistanceType distanceType)`	设置该配置项。 Sets the distance type for vector similarity search.
`public` `Builder connectionTimeoutMs(long connectionTimeoutMs)`	设置连接超时 Ms。 Sets the connection timeout in milliseconds.
`public` `PgVectorStore build() throws VectorStoreException`	构建新的PgVectorStore 实例。 Builds a new PgVectorStore instance.

方法详情Method Detail

jdbcUrl

public Builder jdbcUrl(String jdbcUrl)

设置PostgreSQL JDBC URL。

Sets the PostgreSQL JDBC URL.

参数Parameters

名称Name	类型Type	说明Description
`jdbcUrl`	String	JDBC URL（类型 `String`）。the JDBC URL (e.g., "jdbc:postgresql://localhost:5432/mydb")

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:922–925

username

public Builder username(String username)

设置该配置项。

Sets the database username.

参数Parameters

名称Name	类型Type	说明Description
`username`	String	username（类型 `String`）。the username

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:933–936

password

public Builder password(String password)

设置数据库密码。

Sets the database password.

参数Parameters

名称Name	类型Type	说明Description
`password`	String	密码。the password

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:944–947

schema

public Builder schema(String schema)

设置数据库模式。

Sets the database schema.

参数Parameters

名称Name	类型Type	说明Description
`schema`	String	模式定义（类型 `String`）。the schema name (e.g., "my_schema")

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:957–960

tableName

public Builder tableName(String tableName)

设置该配置项。

Sets the table name.

参数Parameters

名称Name	类型Type	说明Description
`tableName`	String	table 名称（类型 `String`）。the name of the table to use

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:968–971

dimensions

public Builder dimensions(int dimensions)

设置向量维度。

Sets the vector dimensions.

参数Parameters

名称Name	类型Type	说明Description
`dimensions`	int	向量维度（类型 `int`）。the dimension of vectors that will be stored

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:979–982

distanceType

public Builder distanceType(DistanceType distanceType)

设置该配置项。

Sets the distance type for vector similarity search.

参数Parameters

名称Name	类型Type	说明Description
`distanceType`	DistanceType	distance 类型（类型 `DistanceType`）。the distance type

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:992–995

connectionTimeoutMs

public Builder connectionTimeoutMs(long connectionTimeoutMs)

设置连接超时 Ms。

Sets the connection timeout in milliseconds.

参数Parameters

名称Name	类型Type	说明Description
`connectionTimeoutMs`	long	连接超时 Ms（类型 `long`）。the connection timeout in milliseconds

返回Returns Builder

返回当前实例，以支持链式调用。this builder

源码Source io/agentscope/core/rag/store/PgVectorStore.java:1005–1008

build

public PgVectorStore build() throws VectorStoreException

构建新的PgVectorStore 实例。

Builds a new PgVectorStore instance.

返回Returns PgVectorStore

一种新的PgVectorStore 实例。a new PgVectorStore instance

抛出Throws

VectorStoreException 可能抛出 `VectorStoreException`。Thrown when the operation cannot be completed.

源码Source io/agentscope/core/rag/store/PgVectorStore.java:1020–1041