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bucket.go
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bucket.go
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package gocb
import (
"time"
"github.com/couchbase/gocbcore/v10"
)
// Bucket represents a single bucket within a cluster.
type Bucket struct {
bucketName string
timeoutsConfig TimeoutsConfig
transcoder Transcoder
retryStrategyWrapper *retryStrategyWrapper
tracer RequestTracer
meter *meterWrapper
useServerDurations bool
useMutationTokens bool
bootstrapError error
connectionManager connectionManager
getTransactions func() *Transactions
}
func newBucket(c *Cluster, bucketName string) *Bucket {
return &Bucket{
bucketName: bucketName,
timeoutsConfig: c.timeoutsConfig,
transcoder: c.transcoder,
retryStrategyWrapper: c.retryStrategyWrapper,
tracer: c.tracer,
meter: c.meter,
useServerDurations: c.useServerDurations,
useMutationTokens: c.useMutationTokens,
connectionManager: c.connectionManager,
getTransactions: c.Transactions,
}
}
func (b *Bucket) setBootstrapError(err error) {
b.bootstrapError = err
}
func (b *Bucket) getKvProvider() (kvProvider, error) {
if b.bootstrapError != nil {
return nil, b.bootstrapError
}
agent, err := b.connectionManager.getKvProvider(b.bucketName)
if err != nil {
return nil, err
}
return agent, nil
}
func (b *Bucket) getKvCapabilitiesProvider() (kvCapabilityVerifier, error) {
if b.bootstrapError != nil {
return nil, b.bootstrapError
}
agent, err := b.connectionManager.getKvCapabilitiesProvider(b.bucketName)
if err != nil {
return nil, err
}
return agent, nil
}
func (b *Bucket) getQueryProvider() (queryProvider, error) {
if b.bootstrapError != nil {
return nil, b.bootstrapError
}
agent, err := b.connectionManager.getQueryProvider()
if err != nil {
return nil, err
}
return agent, nil
}
func (b *Bucket) getAnalyticsProvider() (analyticsProvider, error) {
if b.bootstrapError != nil {
return nil, b.bootstrapError
}
agent, err := b.connectionManager.getAnalyticsProvider()
if err != nil {
return nil, err
}
return agent, nil
}
// Name returns the name of the bucket.
func (b *Bucket) Name() string {
return b.bucketName
}
// Scope returns an instance of a Scope.
func (b *Bucket) Scope(scopeName string) *Scope {
return newScope(b, scopeName)
}
// DefaultScope returns an instance of the default scope.
func (b *Bucket) DefaultScope() *Scope {
return b.Scope("_default")
}
// Collection returns an instance of a collection from within the default scope.
func (b *Bucket) Collection(collectionName string) *Collection {
return b.DefaultScope().Collection(collectionName)
}
// DefaultCollection returns an instance of the default collection.
func (b *Bucket) DefaultCollection() *Collection {
return b.DefaultScope().Collection("_default")
}
// ViewIndexes returns a ViewIndexManager instance for managing views.
func (b *Bucket) ViewIndexes() *ViewIndexManager {
return &ViewIndexManager{
mgmtProvider: b,
bucketName: b.Name(),
tracer: b.tracer,
meter: b.meter,
}
}
// Collections provides functions for managing collections.
func (b *Bucket) Collections() *CollectionManager {
// TODO: return error for unsupported collections
return &CollectionManager{
mgmtProvider: b,
bucketName: b.Name(),
tracer: b.tracer,
meter: b.meter,
}
}
// WaitUntilReady will wait for the bucket object to be ready for use.
// At present this will wait until memd connections have been established with the server and are ready
// to be used before performing a ping against the specified services (except KeyValue) which also
// exist in the cluster map.
// If no services are specified then will wait until KeyValue is ready.
// Valid service types are: ServiceTypeKeyValue, ServiceTypeManagement, ServiceTypeQuery, ServiceTypeSearch,
// ServiceTypeAnalytics, ServiceTypeViews.
func (b *Bucket) WaitUntilReady(timeout time.Duration, opts *WaitUntilReadyOptions) error {
if opts == nil {
opts = &WaitUntilReadyOptions{}
}
if b.bootstrapError != nil {
return b.bootstrapError
}
provider, err := b.connectionManager.getWaitUntilReadyProvider(b.bucketName)
if err != nil {
return err
}
desiredState := opts.DesiredState
if desiredState == 0 {
desiredState = ClusterStateOnline
}
services := opts.ServiceTypes
gocbcoreServices := make([]gocbcore.ServiceType, len(services))
for i, svc := range services {
gocbcoreServices[i] = gocbcore.ServiceType(svc)
}
wrapper := b.retryStrategyWrapper
if opts.RetryStrategy != nil {
wrapper = newRetryStrategyWrapper(opts.RetryStrategy)
}
err = provider.WaitUntilReady(
opts.Context,
time.Now().Add(timeout),
gocbcore.WaitUntilReadyOptions{
DesiredState: gocbcore.ClusterState(desiredState),
ServiceTypes: gocbcoreServices,
RetryStrategy: wrapper,
},
)
if err != nil {
return maybeEnhanceCoreErr(err)
}
return nil
}