Java tutorial
/* * Copyright 2016 Rackspace * * Licensed 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 com.rackspacecloud.blueflood.io.serializers.astyanax; import com.rackspacecloud.blueflood.io.serializers.Serializers; import com.rackspacecloud.blueflood.types.BluefloodGaugeRollup; import com.rackspacecloud.blueflood.types.SimpleNumber; import com.rackspacecloud.blueflood.utils.Rollups; import junit.framework.Assert; import org.apache.commons.codec.binary.Base64; import org.junit.Test; import java.io.BufferedReader; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStreamReader; import java.nio.ByteBuffer; public class GaugeRollupSerializerTest { @Test public void testSerializerDeserializerV1() throws Exception { BluefloodGaugeRollup gauge1 = BluefloodGaugeRollup.buildFromRawSamples( Rollups.asPoints(SimpleNumber.class, System.currentTimeMillis(), 300, new SimpleNumber(10L))); BluefloodGaugeRollup gauge2 = BluefloodGaugeRollup.buildFromRawSamples(Rollups.asPoints(SimpleNumber.class, System.currentTimeMillis() - 100, 300, new SimpleNumber(1234567L))); BluefloodGaugeRollup gauge3 = BluefloodGaugeRollup.buildFromRawSamples(Rollups.asPoints(SimpleNumber.class, System.currentTimeMillis() - 200, 300, new SimpleNumber(10.4D))); BluefloodGaugeRollup gaugesRollup = BluefloodGaugeRollup.buildFromGaugeRollups(Rollups .asPoints(BluefloodGaugeRollup.class, System.currentTimeMillis(), 300, gauge1, gauge2, gauge3)); Assert.assertEquals(3, gaugesRollup.getCount()); ByteArrayOutputStream baos = new ByteArrayOutputStream(); baos.write(Base64.encodeBase64(Serializers.gaugeRollupInstance.toByteBuffer(gauge1).array())); baos.write("\n".getBytes()); baos.write(Base64.encodeBase64(Serializers.gaugeRollupInstance.toByteBuffer(gauge2).array())); baos.write("\n".getBytes()); baos.write(Base64.encodeBase64(Serializers.gaugeRollupInstance.toByteBuffer(gauge3).array())); baos.write("\n".getBytes()); baos.write(Base64.encodeBase64(Serializers.gaugeRollupInstance.toByteBuffer(gaugesRollup).array())); baos.write("\n".getBytes()); baos.close(); BufferedReader reader = new BufferedReader( new InputStreamReader(new ByteArrayInputStream(baos.toByteArray()))); ByteBuffer bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes())); BluefloodGaugeRollup deserializedGauge1 = Serializers.serializerFor(BluefloodGaugeRollup.class) .fromByteBuffer(bb); Assert.assertEquals(gauge1, deserializedGauge1); bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes())); BluefloodGaugeRollup deserializedGauge2 = Serializers.serializerFor(BluefloodGaugeRollup.class) .fromByteBuffer(bb); Assert.assertEquals(gauge2, deserializedGauge2); bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes())); BluefloodGaugeRollup deserializedGauge3 = Serializers.serializerFor(BluefloodGaugeRollup.class) .fromByteBuffer(bb); Assert.assertEquals(gauge3, deserializedGauge3); bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes())); BluefloodGaugeRollup deserializedGauge4 = Serializers.serializerFor(BluefloodGaugeRollup.class) .fromByteBuffer(bb); Assert.assertEquals(gaugesRollup, deserializedGauge4); Assert.assertFalse(deserializedGauge1.equals(deserializedGauge2)); } }