package com.orientechnologies.orient.core.compression.impl;
import com.orientechnologies.orient.core.compression.OCompression;
import com.orientechnologies.orient.core.compression.OCompressionFactory;
import com.orientechnologies.orient.core.record.impl.ODocument;
import java.util.Random;
/**
* @author Andrey Lomakin
* @since 05.06.13
*/
public class CompressionTest {
public static void main(String[] args) {
// GENERATE CONTENT
long seed = System.currentTimeMillis();
Random random = new Random(seed);
final int iterationsCount = 1000;
byte[][] contents = new byte[iterationsCount][];
long compressedSize = 0;
for (int i = 0; i < iterationsCount; i++) {
// int contentSize = random.nextInt(10 * 1024 - 100) + 100;
// byte[] content = new byte[contentSize];
// random.nextBytes(content);
final byte[] content = new ODocument().field("name", "Luca").field("surname", "Garulli").field("city", "London")
.field("street", "blaaaa").field("age", 37).field("rank", 10.4).field("notes", "This is just a note").toStream();
compressedSize += content.length;
contents[i] = content;
}
System.out.println("Starting benchmark against " + iterationsCount + " iterations where total of buffer size = "
+ compressedSize);
for (String name : OCompressionFactory.INSTANCE.getCompressions()) {
compressedSize = 0;
long startTime = System.currentTimeMillis();
for (int i = 0; i < iterationsCount; i++) {
final OCompression compression = OCompressionFactory.INSTANCE.getCompression(name);
final byte[] compressedContent = compression.compress(contents[i]);
compressedSize += compressedContent.length;
// Assert.assertEquals(contents[i], compression.uncompress(compressedContent));
}
System.out.println("Compression/Decompression test against " + name + " took: " + (System.currentTimeMillis() - startTime)
+ "ms, total byte size: " + compressedSize);
}
}
}