btree
Class KeyDataEntry

java.lang.Object
  btree.KeyDataEntry

public class KeyDataEntry

extends java.lang.Object

KeyDataEntry: define (key, data) pair.

Field Summary

DataClass	data data in the (key, data)
KeyClass	key key in the (key, data)

Constructor Summary

KeyDataEntry(java.lang.Integer key, PageId pageNo)
Class constructor

KeyDataEntry(java.lang.Integer key, RID rid)
Class constructor.

KeyDataEntry(KeyClass key, DataClass data)
Class constructor.

KeyDataEntry(KeyClass key, PageId pageNo)
Class constructor.

KeyDataEntry(KeyClass key, RID rid)
Class constructor.

KeyDataEntry(java.lang.String key, PageId pageNo)
Class constructor.

KeyDataEntry(java.lang.String key, RID rid)
Class constructor.

Method Summary

boolean

equals(KeyDataEntry entry) shallow equal.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

key

public KeyClass key

key in the (key, data)

data

public DataClass data

data in the (key, data)

Constructor Detail

KeyDataEntry

public KeyDataEntry(java.lang.Integer key,
                    PageId pageNo)

Class constructor

KeyDataEntry

public KeyDataEntry(KeyClass key,
                    PageId pageNo)

Class constructor.

KeyDataEntry

public KeyDataEntry(java.lang.String key,
                    PageId pageNo)

Class constructor.

KeyDataEntry

public KeyDataEntry(java.lang.Integer key,
                    RID rid)

Class constructor.

KeyDataEntry

public KeyDataEntry(KeyClass key,
                    RID rid)

Class constructor.

KeyDataEntry

public KeyDataEntry(java.lang.String key,
                    RID rid)

Class constructor.

KeyDataEntry

public KeyDataEntry(KeyClass key,
                    DataClass data)

Class constructor.

Method Detail

equals

public boolean equals(KeyDataEntry entry)

shallow equal.

Parameters:

entry - the entry to check again key.

Returns:

true, if entry == key; else, false.