java - Multiple Input Files In one Mapper Class Hadoop? -

so,i trying code fp-tree algorithm in mapreduce paradigm, creating frequent item set list , have following problem :

input:

file1.txt (contains transactions)

123 452 221 12  45 76 987  77 76 123 354   [each line contains items bought in 1 transaction]

file2.txt (contains items bought in descending order)

12    123  6     221  5     77  4     354  [count] [item id]

output :

output.txt  123 221   123 77 354   [2nd transaction eliminated]

items according count taken in ( descending ), others deleted

is possible take both file1.txt , file2.txt 1 mapper class ? because solve problem

or there way perform operation in way ?

any appreciated.

look mapreduce distributed cache example.may full

read file in setup method.the above link give guidance.

Unity