seaweedfs/weed/util/bptree/string.go

package bptree

import (
	"bytes"
	"hash/fnv"
)

type String string
type ByteSlice []byte

func (self *String) MarshalBinary() ([]byte, error) {
	return []byte(*self), nil
}

func (self *String) UnmarshalBinary(data []byte) error {
	*self = String(data)
	return nil
}

func (self String) Equals(other Equatable) bool {
	if o, ok := other.(String); ok {
		return self == o
	} else {
		return false
	}
}

func (self String) Less(other Sortable) bool {
	if o, ok := other.(String); ok {
		return self < o
	} else {
		return false
	}
}

func (self String) Hash() int {
	h := fnv.New32a()
	h.Write([]byte(string(self)))
	return int(h.Sum32())
}

func (self *ByteSlice) MarshalBinary() ([]byte, error) {
	return []byte(*self), nil
}

func (self *ByteSlice) UnmarshalBinary(data []byte) error {
	*self = ByteSlice(data)
	return nil
}

func (self ByteSlice) Equals(other Equatable) bool {
	if o, ok := other.(ByteSlice); ok {
		return bytes.Equal(self, o)
	} else {
		return false
	}
}

func (self ByteSlice) Less(other Sortable) bool {
	if o, ok := other.(ByteSlice); ok {
		return bytes.Compare(self, o) < 0 // -1 if a < b
	} else {
		return false
	}
}

func (self ByteSlice) Hash() int {
	h := fnv.New32a()
	h.Write([]byte(self))
	return int(h.Sum32())
}