public abstract class ConnectionFactory extends Object
Constructor and Description |
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ConnectionFactory() |
Modifier and Type | Method and Description |
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protected void |
closeStream(@Nullable PGStream newStream)
Safely close the given stream.
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static QueryExecutor |
openConnection(HostSpec[] hostSpecs,
Properties info)
Establishes and initializes a new connection.
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abstract QueryExecutor |
openConnectionImpl(HostSpec[] hostSpecs,
Properties info)
Implementation of
openConnection(org.postgresql.util.HostSpec[], java.util.Properties) for a particular protocol version. |
public static QueryExecutor openConnection(HostSpec[] hostSpecs, Properties info) throws SQLException
Establishes and initializes a new connection.
If the "protocolVersion" property is specified, only that protocol version is tried. Otherwise, all protocols are tried in order, falling back to older protocols as necessary.
Currently, protocol versions 3 (7.4+) is supported.
hostSpecs
- at least one host and port to connect to; multiple elements for round-robin
failoverinfo
- extra properties controlling the connection; notably, "password" if present
supplies the password to authenticate with.SQLException
- if the connection could not be established.public abstract QueryExecutor openConnectionImpl(HostSpec[] hostSpecs, Properties info) throws SQLException
openConnection(org.postgresql.util.HostSpec[], java.util.Properties)
for a particular protocol version. Implemented by
subclasses of ConnectionFactory
.hostSpecs
- at least one host and port to connect to; multiple elements for round-robin
failoverinfo
- extra properties controlling the connection; notably, "password" if present
supplies the password to authenticate with.null
if this protocol version is not
supported by the server.SQLException
- if the connection could not be established for a reason other than
protocol version incompatibility.protected void closeStream(@Nullable PGStream newStream)
newStream
- The stream to close.Copyright © 1997-2020 PostgreSQL Global Development Group. All Rights Reserved.