Package org.apache.accumulo.test.replication.merkle.cli

Class ComputeRootHash

java.lang.Object

org.apache.accumulo.test.replication.merkle.cli.ComputeRootHash

public class ComputeRootHash
extends Object

Given a table created by GenerateHashes which contains the leaves of a Merkle tree, compute the root node of the Merkle tree which can be quickly compared to the root node of another Merkle tree to ascertain equality.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ComputeRootHash.ComputeRootHashOpts

Constructor Summary

Constructors

Constructor	Description
ComputeRootHash()

Method Summary

Modifier and Type	Method	Description
byte[]	getHash(Connector conn, String table, String hashName)
byte[]	getHash(ComputeRootHash.ComputeRootHashOpts opts)
protected ArrayList<MerkleTreeNode>	getLeaves(Connector conn, String tableName)
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

ComputeRootHash

public ComputeRootHash()

Method Detail

getHash

public byte[] getHash(ComputeRootHash.ComputeRootHashOpts opts)
               throws AccumuloException,
                      AccumuloSecurityException,
                      TableNotFoundException,
                      NoSuchAlgorithmException

Throws:

AccumuloException

AccumuloSecurityException

TableNotFoundException

NoSuchAlgorithmException

getHash

public byte[] getHash(Connector conn,
                      String table,
                      String hashName)
               throws TableNotFoundException,
                      NoSuchAlgorithmException

Throws:

TableNotFoundException

NoSuchAlgorithmException

getLeaves

protected ArrayList<MerkleTreeNode> getLeaves(Connector conn,
                                              String tableName)
                                       throws TableNotFoundException

Throws:

TableNotFoundException

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception