/
service_instance_cascade.go
47 lines (42 loc) · 1.63 KB
/
service_instance_cascade.go
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/*
* Copyright 2018 The Service Manager Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Package types contains the Service Manager web entities
package cascade
import (
"github.com/Peripli/service-manager/pkg/query"
"github.com/Peripli/service-manager/pkg/types"
"github.com/Peripli/service-manager/storage"
"strings"
)
type ServiceInstanceCascade struct {
*types.ServiceInstance
// some implementations may implement instance nesting using parent references based on label
parentInstanceLabelKeys []string
}
func (si *ServiceInstanceCascade) GetChildrenCriterion() ChildrenCriterion {
criterion := ChildrenCriterion{
types.ServiceBindingType: {query.ByField(query.EqualsOperator, "service_instance_id", si.ID)},
}
if len(si.parentInstanceLabelKeys) > 0 {
params := storage.SubQueryParams{
"PARENT_ID": si.ID,
"PARENT_KEYS": "'" + strings.Join(si.parentInstanceLabelKeys, "','") + "'",
}
subQuery, _ := storage.GetSubQueryWithParams(storage.QueryForInstanceChildrenByLabel, params)
criterion[types.ServiceInstanceType] = []query.Criterion{query.ByExists(subQuery)}
}
return criterion
}