Finish database queries and subscriptions / Improve Accessor

database/storage/injectbase.go

@@ -0,0 +1,61 @@
+package storage
+
+import (
+	"errors"
+
+	"github.com/Safing/portbase/database/iterator"
+	"github.com/Safing/portbase/database/query"
+	"github.com/Safing/portbase/database/record"
+)
+
+var (
+	errNotImplemented = errors.New("not implemented")
+)
+
+// InjectBase is a dummy base structure to reduce boilerplate code for injected storage interfaces.
+type InjectBase struct{}
+
+// Get returns a database record.
+func (i *InjectBase) Get(key string) (record.Record, error) {
+	return nil, errNotImplemented
+}
+
+// Put stores a record in the database.
+func (i *InjectBase) Put(m record.Record) error {
+	return errNotImplemented
+}
+
+// Delete deletes a record from the database.
+func (i *InjectBase) Delete(key string) error {
+	return errNotImplemented
+}
+
+// Query returns a an iterator for the supplied query.
+func (i *InjectBase) Query(q *query.Query, local, internal bool) (*iterator.Iterator, error) {
+	return nil, errNotImplemented
+}
+
+// ReadOnly returns whether the database is read only.
+func (i *InjectBase) ReadOnly() bool {
+	return true
+}
+
+// Injected returns whether the database is injected.
+func (i *InjectBase) Injected() bool {
+	return true
+}
+
+// Maintain runs a light maintenance operation on the database.
+func (i *InjectBase) Maintain() error {
+	return nil
+}
+
+// MaintainThorough runs a thorough maintenance operation on the database.
+func (i *InjectBase) MaintainThorough() error {
+	return nil
+}
+
+// Shutdown shuts down the database.
+func (i *InjectBase) Shutdown() error {
+	return nil
+}