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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.utils;
import static org.apache.cassandra.Util.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.config.KSMetaData;
import org.apache.cassandra.db.ArrayBackedSortedColumns;
import org.apache.cassandra.db.ColumnFamily;
import org.apache.cassandra.db.TypeSizes;
import org.apache.cassandra.db.marshal.BytesType;
import org.apache.cassandra.db.marshal.CounterColumnType;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.locator.SimpleStrategy;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.utils.vint.EncodedDataInputStream;
import org.apache.cassandra.utils.vint.EncodedDataOutputStream;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class EncodedStreamsTest
{
private static final String KEYSPACE1 = "Keyspace1";
private static final String CF_STANDARD = "Standard1";
private static final String CF_COUNTER = "Counter1";
private int version = MessagingService.current_version;
@BeforeClass
public static void defineSchema() throws ConfigurationException
{
SchemaLoader.prepareServer();
SchemaLoader.createKeyspace(KEYSPACE1,
SimpleStrategy.class,
KSMetaData.optsWithRF(1),
SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD),
CFMetaData.denseCFMetaData(KEYSPACE1, CF_COUNTER, BytesType.instance)
.defaultValidator(CounterColumnType.instance));
}
@Test
public void testStreams() throws IOException
{
ByteArrayOutputStream byteArrayOStream1 = new ByteArrayOutputStream();
EncodedDataOutputStream odos = new EncodedDataOutputStream(byteArrayOStream1);
ByteArrayOutputStream byteArrayOStream2 = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(byteArrayOStream2);
for (short i = 0; i < 10000; i++)
{
out.writeShort(i);
odos.writeShort(i);
}
out.flush();
odos.flush();
for (int i = Short.MAX_VALUE; i < ((int)Short.MAX_VALUE + 10000); i++)
{
out.writeInt(i);
odos.writeInt(i);
}
out.flush();
odos.flush();
for (long i = Integer.MAX_VALUE; i < ((long)Integer.MAX_VALUE + 10000);i++)
{
out.writeLong(i);
odos.writeLong(i);
}
out.flush();
odos.flush();
Assert.assertTrue(byteArrayOStream1.size() < byteArrayOStream2.size());
ByteArrayInputStream byteArrayIStream1 = new ByteArrayInputStream(byteArrayOStream1.toByteArray());
EncodedDataInputStream idis = new EncodedDataInputStream(new DataInputStream(byteArrayIStream1));
// assert reading Short
for (int i = 0; i < 10000; i++)
Assert.assertEquals(i, idis.readShort());
// assert reading Integer
for (int i = Short.MAX_VALUE; i < ((int)Short.MAX_VALUE + 10000); i++)
Assert.assertEquals(i, idis.readInt());
// assert reading Long
for (long i = Integer.MAX_VALUE; i < ((long)Integer.MAX_VALUE) + 1000; i++)
Assert.assertEquals(i, idis.readLong());
}
private ColumnFamily createCF()
{
ColumnFamily cf = ArrayBackedSortedColumns.factory.create(KEYSPACE1, CF_STANDARD);
cf.addColumn(column("vijay", "try", 1));
cf.addColumn(column("to", "be_nice", 1));
return cf;
}
private ColumnFamily createCounterCF()
{
ColumnFamily cf = ArrayBackedSortedColumns.factory.create(KEYSPACE1, CF_COUNTER);
cf.addCounter(cellname("vijay"), 1);
cf.addCounter(cellname("wants"), 1000000);
return cf;
}
@Test
public void testCFSerialization() throws IOException
{
ByteArrayOutputStream byteArrayOStream1 = new ByteArrayOutputStream();
EncodedDataOutputStream odos = new EncodedDataOutputStream(byteArrayOStream1);
ColumnFamily.serializer.serialize(createCF(), odos, version);
ByteArrayInputStream byteArrayIStream1 = new ByteArrayInputStream(byteArrayOStream1.toByteArray());
EncodedDataInputStream odis = new EncodedDataInputStream(new DataInputStream(byteArrayIStream1));
ColumnFamily cf = ColumnFamily.serializer.deserialize(odis, version);
Assert.assertEquals(cf, createCF());
Assert.assertEquals(byteArrayOStream1.size(), (int) ColumnFamily.serializer.serializedSize(cf, TypeSizes.VINT, version));
}
@Test
public void testCounterCFSerialization() throws IOException
{
ColumnFamily counterCF = createCounterCF();
ByteArrayOutputStream byteArrayOStream1 = new ByteArrayOutputStream();
EncodedDataOutputStream odos = new EncodedDataOutputStream(byteArrayOStream1);
ColumnFamily.serializer.serialize(counterCF, odos, version);
ByteArrayInputStream byteArrayIStream1 = new ByteArrayInputStream(byteArrayOStream1.toByteArray());
EncodedDataInputStream odis = new EncodedDataInputStream(new DataInputStream(byteArrayIStream1));
ColumnFamily cf = ColumnFamily.serializer.deserialize(odis, version);
Assert.assertEquals(cf, counterCF);
Assert.assertEquals(byteArrayOStream1.size(), (int) ColumnFamily.serializer.serializedSize(cf, TypeSizes.VINT, version));
}
}