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option.go
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option.go
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package clickhouse // import "github.com/SolomonAIEngineering/backend-core-library/database/clickhouse"
import (
"fmt"
"time"
"github.com/SolomonAIEngineering/backend-core-library/instrumentation"
"go.uber.org/zap"
)
// Option is a function that sets a parameter for the client
type Option func(*Client)
// WithQueryTimeout sets the query timeout
func WithQueryTimeout(timeout *time.Duration) Option {
return func(conn *Client) {
conn.QueryTimeout = timeout
}
}
// WithMaxConnectionRetries sets the max connection retries
func WithMaxConnectionRetries(retries *int) Option {
return func(conn *Client) {
conn.maxConnectionRetries = retries
}
}
// WithMaxConnectionRetryTimeout sets the max connection retry timeout
func WithMaxConnectionRetryTimeout(timeout *time.Duration) Option {
return func(conn *Client) {
conn.maxConnectionRetryTimeout = timeout
}
}
// WithRetrySleep sets the retry sleep
func WithRetrySleep(sleep *time.Duration) Option {
return func(conn *Client) {
conn.retrySleep = sleep
}
}
// WithConnectionString sets the connection string
func WithConnectionString(connectionString *string) Option {
return func(conn *Client) {
conn.connectionURI = connectionString
}
}
// WithMaxIdleConnections sets the max idle connections
func WithMaxIdleConnections(maxIdleConnections *int) Option {
return func(conn *Client) {
conn.maxIdleConnections = maxIdleConnections
}
}
// WithMaxOpenConnections sets the max open connections
func WithMaxOpenConnections(maxOpenConnections *int) Option {
return func(conn *Client) {
conn.maxOpenConnections = maxOpenConnections
}
}
// WithMaxConnectionLifetime sets the max connection lifetime
func WithMaxConnectionLifetime(maxConnectionLifetime *time.Duration) Option {
return func(conn *Client) {
conn.maxConnectionLifetime = maxConnectionLifetime
}
}
// WithInstrumentationClient sets the instrumentation client
func WithInstrumentationClient(instrumentationClient *instrumentation.Client) Option {
return func(conn *Client) {
conn.InstrumentationClient = instrumentationClient
}
}
// WithLogger sets the logger
func WithLogger(logger *zap.Logger) Option {
return func(conn *Client) {
conn.Logger = logger
}
}
// Validate validates the client
func (c *Client) Validate() error {
if c.QueryTimeout == nil {
return fmt.Errorf("query timeout is nil")
}
if c.maxConnectionRetries == nil {
return fmt.Errorf("max connection retries is nil")
}
if c.maxConnectionRetryTimeout == nil {
return fmt.Errorf("max connection retry timeout is nil")
}
if c.retrySleep == nil {
return fmt.Errorf("retry sleep is nil")
}
if c.connectionURI == nil {
return fmt.Errorf("connection string is nil")
}
if c.maxIdleConnections == nil {
return fmt.Errorf("max idle connections is nil")
}
if c.maxOpenConnections == nil {
return fmt.Errorf("max open connections is nil")
}
if c.maxConnectionLifetime == nil {
return fmt.Errorf("max connection lifetime is nil")
}
if c.InstrumentationClient == nil {
return fmt.Errorf("instrumentation client is nil")
}
if c.Logger == nil {
return fmt.Errorf("logger is nil")
}
return nil
}