edu.berkeley.cs186.database.databox

Class StringDataBox

java.lang.Object

edu.berkeley.cs186.database.databox.DataBox

edu.berkeley.cs186.database.databox.StringDataBox

All Implemented Interfaces:

Comparable

public class StringDataBox
extends DataBox

Fixed-length String data type which serializes to UTF-8 bytes.

Nested Class Summary

Nested classes/interfaces inherited from class edu.berkeley.cs186.database.databox.DataBox

DataBox.Types

Constructor Summary

Constructors

Constructor and Description
StringDataBox() Construct an empty StringDataBox.
StringDataBox(byte[] buf) Construct a StringDataBox from the bytes in buf.
StringDataBox(int len)
StringDataBox(String s, int len) Construct a StringDataBox with length len and value s.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(Object obj)
boolean	equals(Object obj)
byte[]	getBytes() Returns a byte array with the data contained by this DataBox.
int	getSize() Returns the fixed size of this DataBox.
String	getString()
void	setString(String s, int len)
String	toString()
DataBox.Types	type() Returns the type of the DataBox.

Methods inherited from class edu.berkeley.cs186.database.databox.DataBox

getBool, getFloat, getInt, setBool, setFloat, setInt

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StringDataBox

public StringDataBox()

Construct an empty StringDataBox.

StringDataBox

public StringDataBox(String s,
             int len)

Construct a StringDataBox with length len and value s.

Parameters:

s - the value of the StringDataBox

len - the length of the StringDataBox

StringDataBox

public StringDataBox(byte[] buf)

Construct a StringDataBox from the bytes in buf.

Parameters:

buf - the byte buffer source

StringDataBox

public StringDataBox(int len)

Method Detail

getString

public String getString()

Overrides:

getString in class DataBox

setString

public void setString(String s,
             int len)

Overrides:

setString in class DataBox

type

public DataBox.Types type()

Description copied from class: DataBox

Returns the type of the DataBox.

Overrides:

type in class DataBox

Returns:

the type from the Types enum

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

compareTo

public int compareTo(Object obj)

Specified by:

compareTo in interface Comparable

Overrides:

compareTo in class DataBox

getBytes

public byte[] getBytes()

Description copied from class: DataBox

Returns a byte array with the data contained by this DataBox.

Overrides:

getBytes in class DataBox

Returns:

a byte array

getSize

public int getSize()

Description copied from class: DataBox

Returns the fixed size of this DataBox.

Overrides:

getSize in class DataBox

Returns:

the size of the DataBox

toString

public String toString()

Overrides:

toString in class DataBox