# Poco::Data

# class SessionPoolContainer

Library: Data
Package: SessionPoolContainering
Header: Poco/Data/SessionPoolContainer.h

## Description

This class implements container of session pools.

## Member Summary

Member Functions: add, count, get, getPool, has, isActive, remove, shutdown

## Constructors

### SessionPoolContainer

SessionPoolContainer();

Creates the SessionPoolContainer for sessions with the given session parameters.

## Destructor

### ~SessionPoolContainer

~SessionPoolContainer();

Destroys the SessionPoolContainer.

## Member Functions

### add

void add(
SessionPool * pPool
);

Adds existing session pool to the container. Throws SessionPoolExistsException if pool already exists.

### add

Session add(
const std::string & sessionKey,
const std::string & connectionString,
int minSessions = 1,
int maxSessions = 32,
int idleTime = 60
);

Adds a new session pool to the container and returns a Session from newly created pool. If pool already exists, request to add is silently ignored and session is returned from the existing pool.

### count

int count() const;

Returns the number of session pols in the container.

### get

Session get(
const std::string & name
);

Returns the requested Session. Throws NotFoundException if session is not found.

### getPool

SessionPool & getPool(
const std::string & name
);

Returns a SessionPool reference. Throws NotFoundException if session is not found.

### has

bool has(
const std::string & name
) const;

Returns true if the requested name exists, false otherwise.

### isActive

bool isActive(
const std::string & sessionKey,
const std::string & connectionString = ""
) const;

Returns true if the session is active (i.e. not shut down). If connectionString is empty string, sessionKey must be a fully qualified session name as registered with the pool container.

### remove

void remove(
const std::string & name
);

Removes a SessionPool.

### shutdown

void shutdown();

Shuts down all the held pools.