|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.apache.hadoop.hbase.util.test.LoadTestDataGenerator
public abstract class LoadTestDataGenerator
A generator of random data (keys/cfs/columns/values) for load testing. Contains LoadTestKVGenerator as a matter of convenience...
Field Summary | |
---|---|
static byte[] |
INCREMENT
|
protected LoadTestKVGenerator |
kvGenerator
|
static byte[] |
MUTATE_INFO
|
Constructor Summary | |
---|---|
LoadTestDataGenerator(int minValueSize,
int maxValueSize)
Initializes the object. |
Method Summary | |
---|---|
abstract byte[][] |
generateColumnsForCf(byte[] rowKey,
byte[] cf)
Generates an applicable set of columns to be used for a particular key and family. |
abstract byte[] |
generateValue(byte[] rowKey,
byte[] cf,
byte[] column)
Generates a value to be used for a particular row/cf/column. |
abstract byte[][] |
getColumnFamilies()
Gets column families for the load test table. |
abstract byte[] |
getDeterministicUniqueKey(long keyBase)
Generates a deterministic, unique hashed row key from a number. |
abstract boolean |
verify(byte[] rowKey,
byte[] cf,
byte[] column,
byte[] value)
Checks that value for a rowKey/cf/column is valid if generated via generateValue(byte[], byte[], byte[]) |
abstract boolean |
verify(byte[] rowKey,
byte[] cf,
Set<byte[]> columnSet)
Checks that columns for a rowKey and cf are valid if generated via generateColumnsForCf(byte[], byte[]) |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
protected final LoadTestKVGenerator kvGenerator
public static final byte[] MUTATE_INFO
public static final byte[] INCREMENT
Constructor Detail |
---|
public LoadTestDataGenerator(int minValueSize, int maxValueSize)
minValueSize
- minimum size of the value generated by
generateValue(byte[], byte[], byte[])
.maxValueSize
- maximum size of the value generated by
generateValue(byte[], byte[], byte[])
.Method Detail |
---|
public abstract byte[] getDeterministicUniqueKey(long keyBase)
keyBase
- Base number for a key, such as a loop counter.public abstract byte[][] getColumnFamilies()
public abstract byte[][] generateColumnsForCf(byte[] rowKey, byte[] cf)
rowKey
- The row key to generate for.cf
- The column family name to generate for.
public abstract byte[] generateValue(byte[] rowKey, byte[] cf, byte[] column)
rowKey
- The row key to generate for.cf
- The column family name to generate for.column
- The column name to generate for.
public abstract boolean verify(byte[] rowKey, byte[] cf, Set<byte[]> columnSet)
generateColumnsForCf(byte[], byte[])
rowKey
- The row key to verify for.cf
- The column family name to verify for.columnSet
- The column set (for example, encountered by read).
public abstract boolean verify(byte[] rowKey, byte[] cf, byte[] column, byte[] value)
generateValue(byte[], byte[], byte[])
rowKey
- The row key to verify for.cf
- The column family name to verify for.column
- The column name to verify for.value
- The value (for example, encountered by read).
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |