scan_policy.go

// Copyright 2013-2017 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

// ScanPolicy encapsulates parameters used in scan operations.
type ScanPolicy struct {
	*MultiPolicy

	// ScanPercent determines percent of data to scan.
	// Valid integer range is 1 to 100.
	// Default is 100.
	ScanPercent int //= 100;

	// ConcurrentNodes determines how to issue scan requests (in parallel or sequentially).
	ConcurrentNodes bool //= true;

	// Include large data type bin values in addition to large data type bin names.
	// If false, LDT bin names will be returned, but LDT bin values will be empty.
	// If true,  LDT bin names and the entire LDT bin values will be returned.
	// Warning: LDT values may consume huge of amounts of memory depending on LDT size.
	// Warning: LDT as a feature is deprecated on the servers v3.15+ and will be removed from the client in 2018.
	IncludeLDT bool
}

// NewScanPolicy creates a new ScanPolicy instance with default values.
func NewScanPolicy() *ScanPolicy {
	mp := NewMultiPolicy()
	mp.Timeout = 0

	return &ScanPolicy{
		MultiPolicy:     mp,
		ScanPercent:     100,
		ConcurrentNodes: true,
		IncludeLDT:      false,
	}
}