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touch_command.go
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touch_command.go
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// Copyright 2013-2019 Aerospike, Inc.
//
// 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 aerospike
import (
. "github.com/aerospike/aerospike-client-go/logger"
. "github.com/aerospike/aerospike-client-go/types"
Buffer "github.com/aerospike/aerospike-client-go/utils/buffer"
)
// guarantee touchCommand implements command interface
var _ command = &touchCommand{}
type touchCommand struct {
singleCommand
policy *WritePolicy
}
func newTouchCommand(cluster *Cluster, policy *WritePolicy, key *Key) *touchCommand {
newTouchCmd := &touchCommand{
singleCommand: newSingleCommand(cluster, key),
policy: policy,
}
return newTouchCmd
}
func (cmd *touchCommand) getPolicy(ifc command) Policy {
return cmd.policy
}
func (cmd *touchCommand) writeBuffer(ifc command) error {
return cmd.setTouch(cmd.policy, cmd.key)
}
func (cmd *touchCommand) getNode(ifc command) (*Node, error) {
return cmd.cluster.getMasterNode(&cmd.partition)
}
func (cmd *touchCommand) parseResult(ifc command, conn *Connection) error {
// Read header.
_, err := conn.Read(cmd.dataBuffer, 8)
if err != nil {
return err
}
if compressedSize := cmd.compressedSize(); compressedSize > 0 {
// Read compressed size
_, err = conn.Read(cmd.dataBuffer, compressedSize)
if err != nil {
Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
// Read compressed size
_, err = conn.Read(cmd.dataBuffer, 8)
if err != nil {
Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
cmd.conn.initInflater(true, compressedSize)
// Read header.
_, err = conn.Read(cmd.dataBuffer, int(_MSG_TOTAL_HEADER_SIZE))
if err != nil {
Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
} else {
// Read header.
_, err = conn.Read(cmd.dataBuffer[8:], int(_MSG_TOTAL_HEADER_SIZE)-8)
if err != nil {
Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
}
// Read header.
header := Buffer.BytesToInt64(cmd.dataBuffer, 0)
// Validate header to make sure we are at the beginning of a message
if err := cmd.validateHeader(header); err != nil {
return err
}
resultCode := cmd.dataBuffer[13] & 0xFF
if resultCode != 0 {
if resultCode == byte(KEY_NOT_FOUND_ERROR) {
return ErrKeyNotFound
} else if ResultCode(resultCode) == FILTERED_OUT {
return ErrFilteredOut
}
return NewAerospikeError(ResultCode(resultCode))
}
if err := cmd.emptySocket(conn); err != nil {
return err
}
return nil
}
func (cmd *touchCommand) Execute() error {
return cmd.execute(cmd, false)
}