github.com/darrenli6/fabric-sdk-example@v0.0.0-20220109053535-94b13b56df8c/common/mocks/ledger/queryexecutor.go (about)

     1  /*
     2  Copyright IBM Corp. 2017 All Rights Reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  		 http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package ledger
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"github.com/hyperledger/fabric/common/ledger"
    23  )
    24  
    25  type MockQueryExecutor struct {
    26  	// State keeps all namepspaces
    27  	State map[string]map[string][]byte
    28  }
    29  
    30  func NewMockQueryExecutor(state map[string]map[string][]byte) *MockQueryExecutor {
    31  	return &MockQueryExecutor{
    32  		State: state,
    33  	}
    34  }
    35  
    36  func (m *MockQueryExecutor) GetState(namespace string, key string) ([]byte, error) {
    37  	ns := m.State[namespace]
    38  	if ns == nil {
    39  		return nil, fmt.Errorf("Could not retrieve namespace %s", namespace)
    40  	}
    41  
    42  	return ns[key], nil
    43  }
    44  
    45  func (m *MockQueryExecutor) GetStateMultipleKeys(namespace string, keys []string) ([][]byte, error) {
    46  	return nil, nil
    47  
    48  }
    49  
    50  func (m *MockQueryExecutor) GetStateRangeScanIterator(namespace string, startKey string, endKey string) (ledger.ResultsIterator, error) {
    51  	return nil, nil
    52  
    53  }
    54  
    55  func (m *MockQueryExecutor) ExecuteQuery(namespace, query string) (ledger.ResultsIterator, error) {
    56  	return nil, nil
    57  }
    58  
    59  func (m *MockQueryExecutor) Done() {
    60  
    61  }