110 lines
3.3 KiB
Go
110 lines
3.3 KiB
Go
/*
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Copyright 2021 The Dapr Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package oracledatabase
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import (
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"context"
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"database/sql"
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"reflect"
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"github.com/dapr/components-contrib/metadata"
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"github.com/dapr/components-contrib/state"
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"github.com/dapr/kit/logger"
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)
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// Oracle Database state store.
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type OracleDatabase struct {
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state.BulkStore
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features []state.Feature
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logger logger.Logger
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dbaccess dbAccess
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}
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// NewOracleDatabaseStateStore creates a new instance of OracleDatabase state store.
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func NewOracleDatabaseStateStore(logger logger.Logger) state.Store {
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dba := newOracleDatabaseAccess(logger)
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s := newOracleDatabaseStateStore(logger, dba)
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s.BulkStore = state.NewDefaultBulkStore(s)
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return s
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}
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// newOracleDatabaseStateStore creates a newOracleDatabaseStateStore instance of an OracleDatabase state store.
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// This unexported constructor allows injecting a dbAccess instance for unit testing.
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func newOracleDatabaseStateStore(logger logger.Logger, dba dbAccess) *OracleDatabase {
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return &OracleDatabase{
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features: []state.Feature{
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state.FeatureETag,
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state.FeatureTransactional,
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state.FeatureTTL,
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},
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logger: logger,
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dbaccess: dba,
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}
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}
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// Init initializes the SQL server state store.
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func (o *OracleDatabase) Init(ctx context.Context, metadata state.Metadata) error {
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return o.dbaccess.Init(ctx, metadata)
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}
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func (o *OracleDatabase) Ping(ctx context.Context) error {
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return o.dbaccess.Ping(ctx)
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}
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// Features returns the features available in this state store.
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func (o *OracleDatabase) Features() []state.Feature {
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return o.features
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}
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// Delete removes an entity from the store.
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func (o *OracleDatabase) Delete(ctx context.Context, req *state.DeleteRequest) error {
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return o.dbaccess.Delete(ctx, req)
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}
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// Get returns an entity from store.
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func (o *OracleDatabase) Get(ctx context.Context, req *state.GetRequest) (*state.GetResponse, error) {
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return o.dbaccess.Get(ctx, req)
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}
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// Set adds/updates an entity on store.
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func (o *OracleDatabase) Set(ctx context.Context, req *state.SetRequest) error {
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return o.dbaccess.Set(ctx, req)
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}
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// Multi handles multiple transactions. Implements TransactionalStore.
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func (o *OracleDatabase) Multi(ctx context.Context, request *state.TransactionalStateRequest) error {
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return o.dbaccess.ExecuteMulti(ctx, request.Operations)
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}
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// Close implements io.Closer.
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func (o *OracleDatabase) Close() error {
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if o.dbaccess != nil {
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return o.dbaccess.Close()
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}
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return nil
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}
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// Returns the database connection. Used by tests.
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func (o *OracleDatabase) getDB() *sql.DB {
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return o.dbaccess.(*oracleDatabaseAccess).db
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}
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func (o *OracleDatabase) GetComponentMetadata() (metadataInfo metadata.MetadataMap) {
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metadataStruct := oracleDatabaseMetadata{}
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metadata.GetMetadataInfoFromStructType(reflect.TypeOf(metadataStruct), &metadataInfo, metadata.StateStoreType)
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return
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}
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