redis_pool/pool_handler.go

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2017-09-01 04:10:35 +00:00
package overflow_redis_pool
import (
"time"
"github.com/garyburd/redigo/redis"
)
type PoolHandler interface {
// Dial is an application supplied function for creating and configuring a
// connection.
//
// The connection returned from Dial must not be in a special state
// (subscribed to pubsub channel, transaction started, ...).
Dial() (redis.Conn, error)
// TestOnBorrow is an optional application supplied function for checking
// the health of an idle connection before the connection is used again by
// the application. Argument t is the time that the connection was returned
// to the pool. If the function returns an error, then the connection is
// closed.
TestOnBorrow(c redis.Conn, t time.Time) error
// Maximum number of idle connections in the pool.
GetMaxIdle() int
// Maximum number of connections allocated by the pool at a given time.
// When zero, there is no limit on the number of connections in the pool.
GetMaxActive() int
// Close connections after remaining idle for this duration. If the value
// is zero, then idle connections are not closed. Applications should set
// the timeout to a value less than the server's timeout.
GetIdleTimeout() time.Duration
// If Wait is true and the pool is at the MaxActive limit, then Get() waits
// for a connection to be returned to the pool before returning.
IsWait() bool
}