go.temporal.io/server@v1.23.0/common/persistence/nosql/nosqlplugin/cassandra/gocql/iter.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package gocql
    26  
    27  import (
    28  	"github.com/gocql/gocql"
    29  )
    30  
    31  type iter struct {
    32  	session   *session
    33  	gocqlIter *gocql.Iter
    34  }
    35  
    36  func newIter(session *session, gocqlIter *gocql.Iter) *iter {
    37  	return &iter{
    38  		session:   session,
    39  		gocqlIter: gocqlIter,
    40  	}
    41  }
    42  
    43  func (it *iter) Scan(dest ...interface{}) bool {
    44  	return it.gocqlIter.Scan(dest...)
    45  }
    46  
    47  func (it *iter) MapScan(m map[string]interface{}) bool {
    48  	return it.gocqlIter.MapScan(m)
    49  }
    50  
    51  func (it *iter) PageState() []byte {
    52  	return it.gocqlIter.PageState()
    53  }
    54  
    55  func (it *iter) Close() (retError error) {
    56  	defer func() { it.session.handleError(retError) }()
    57  
    58  	return it.gocqlIter.Close()
    59  }