Mercurial > hg > thermostat-ng > agent
changeset 2662:10fc50583d5f
Add HeapInfo TypeAdapter
Reviewed-By: ebaron
Review-Thread: http://icedtea.classpath.org/pipermail/thermostat/2017-May/023243.html
author | Joshua Matsuoka <jmatsuok@redhat.com> |
---|---|
date | Thu, 25 May 2017 14:02:06 -0400 |
parents | b4e48bb5f6e9 |
children | 5d3d92b38e23 |
files | plugins/vm-heap-analysis/common/pom.xml plugins/vm-heap-analysis/common/src/main/java/com/redhat/thermostat/vm/heap/analysis/common/internal/HeapInfoTypeAdapter.java plugins/vm-heap-analysis/common/src/test/java/com/redhat/thermostat/vm/heap/analysis/common/internal/HeapInfoTypeAdapterTest.java |
diffstat | 3 files changed, 187 insertions(+), 0 deletions(-) [+] |
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--- a/plugins/vm-heap-analysis/common/pom.xml Thu May 25 13:53:06 2017 -0400 +++ b/plugins/vm-heap-analysis/common/pom.xml Thu May 25 14:02:06 2017 -0400 @@ -133,6 +133,11 @@ <groupId>org.apache.servicemix.bundles</groupId> <artifactId>org.apache.servicemix.bundles.lucene-analyzers-common</artifactId> </dependency> + <dependency> + <groupId>com.google.code.gson</groupId> + <artifactId>gson</artifactId> + <version>${gson.version}</version> + </dependency> </dependencies> </project>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/plugins/vm-heap-analysis/common/src/main/java/com/redhat/thermostat/vm/heap/analysis/common/internal/HeapInfoTypeAdapter.java Thu May 25 14:02:06 2017 -0400 @@ -0,0 +1,96 @@ +/* + * Copyright 2012-2017 Red Hat, Inc. + * + * This file is part of Thermostat. + * + * Thermostat is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation; either version 2, or (at your + * option) any later version. + * + * Thermostat is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Thermostat; see the file COPYING. If not see + * <http://www.gnu.org/licenses/>. + * + * Linking this code with other modules is making a combined work + * based on this code. Thus, the terms and conditions of the GNU + * General Public License cover the whole combination. + * + * As a special exception, the copyright holders of this code give + * you permission to link this code with independent modules to + * produce an executable, regardless of the license terms of these + * independent modules, and to copy and distribute the resulting + * executable under terms of your choice, provided that you also + * meet, for each linked independent module, the terms and conditions + * of the license of that module. An independent module is a module + * which is not derived from or based on this code. If you modify + * this code, you may extend this exception to your version of the + * library, but you are not obligated to do so. If you do not wish + * to do so, delete this exception statement from your version. + */ + +package com.redhat.thermostat.vm.heap.analysis.common.internal; + +import com.google.gson.stream.JsonReader; +import com.google.gson.stream.JsonWriter; +import com.redhat.thermostat.vm.heap.analysis.common.model.HeapInfo; + +import com.google.gson.TypeAdapter; + +import java.io.IOException; +import java.util.List; + +public class HeapInfoTypeAdapter extends TypeAdapter<List<HeapInfo>>{ + + private static final String AGENT_ID = "agentId"; + private static final String VM_ID = "vmId"; + private static final String TIMESTAMP = "timeStamp"; + private static final String HEAP_ID = "heapId"; + private static final String HEAP_DUMP_ID = "heapDumpId"; + private static final String HISTOGRAM_ID = "histogramId"; + private static final String TYPE_LONG = "$numberLong"; + + @Override + public void write(JsonWriter out, List<HeapInfo> infos) throws IOException { + out.beginArray(); + for (HeapInfo info : infos) { + writeHeapInfo(out, info); + } + out.endArray(); + } + + public void writeHeapInfo(JsonWriter out, HeapInfo info) throws IOException { + out.beginObject(); + out.name(AGENT_ID); + out.value(info.getAgentId()); + out.name(VM_ID); + out.value(info.getVmId()); + out.name(TIMESTAMP); + writeLong(out, info.getTimeStamp()); + out.name(HEAP_ID); + out.value(info.getHeapId()); + out.name(HEAP_DUMP_ID); + out.value(info.getHeapDumpId()); + out.name(HISTOGRAM_ID); + out.value(info.getHistogramId()); + out.endObject(); + } + + private void writeLong(JsonWriter out, long timestamp) throws IOException { + // Write MongoDB representation of a Long + out.beginObject(); + out.name(TYPE_LONG); + out.value(String.valueOf(timestamp)); + out.endObject(); + } + + @Override + public List<HeapInfo> read(JsonReader in) { + return null; + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/plugins/vm-heap-analysis/common/src/test/java/com/redhat/thermostat/vm/heap/analysis/common/internal/HeapInfoTypeAdapterTest.java Thu May 25 14:02:06 2017 -0400 @@ -0,0 +1,86 @@ +/* + * Copyright 2012-2017 Red Hat, Inc. + * + * This file is part of Thermostat. + * + * Thermostat is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation; either version 2, or (at your + * option) any later version. + * + * Thermostat is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Thermostat; see the file COPYING. If not see + * <http://www.gnu.org/licenses/>. + * + * Linking this code with other modules is making a combined work + * based on this code. Thus, the terms and conditions of the GNU + * General Public License cover the whole combination. + * + * As a special exception, the copyright holders of this code give + * you permission to link this code with independent modules to + * produce an executable, regardless of the license terms of these + * independent modules, and to copy and distribute the resulting + * executable under terms of your choice, provided that you also + * meet, for each linked independent module, the terms and conditions + * of the license of that module. An independent module is a module + * which is not derived from or based on this code. If you modify + * this code, you may extend this exception to your version of the + * library, but you are not obligated to do so. If you do not wish + * to do so, delete this exception statement from your version. + */ + +package com.redhat.thermostat.vm.heap.analysis.common.internal; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.reflect.TypeToken; +import com.redhat.thermostat.vm.heap.analysis.common.model.HeapInfo; +import org.junit.Test; +import static org.junit.Assert.assertEquals; + +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.List; + +public class HeapInfoTypeAdapterTest { + + @Test + public void testHeapInfoGetsSerializedCorrectly() { + GsonBuilder builder = new GsonBuilder(); + Type list_type = new TypeToken<List<HeapInfo>>(){}.getType(); + builder.registerTypeAdapter(list_type, new HeapInfoTypeAdapter()); + Gson gson = builder.create(); + List<HeapInfo> infos = new ArrayList<>(); + HeapInfo info = new HeapInfo("1", "1", 100l); + info.setHeapDumpId("1234f"); + info.setHeapId("2432a"); + info.setHistogramId("5675n"); + infos.add(info); + assertEquals("[{\"agentId\":\"1\",\"vmId\":\"1\",\"timeStamp\":{\"$numberLong\":\"100\"},\"heapId\":\"2432a\",\"heapDumpId\":\"1234f\",\"histogramId\":\"5675n\"}]", gson.toJson(infos, list_type)); + } + + @Test + public void testMultipleHeapInfoGetsSerializedCorrectly() { + GsonBuilder builder = new GsonBuilder(); + Type list_type = new TypeToken<List<HeapInfo>>(){}.getType(); + builder.registerTypeAdapter(list_type, new HeapInfoTypeAdapter()); + Gson gson = builder.create(); + List<HeapInfo> infos = new ArrayList<>(); + HeapInfo info = new HeapInfo("1", "1", 100l); + info.setHeapDumpId("1234f"); + info.setHeapId("2432a"); + info.setHistogramId("5675n"); + infos.add(info); + HeapInfo info2 = new HeapInfo("2", "2", 200l); + info.setHeapDumpId("21234ff"); + info.setHeapId("22432aa"); + info.setHistogramId("25675nn"); + infos.add(info2); + assertEquals("[{\"agentId\":\"1\",\"vmId\":\"1\",\"timeStamp\":{\"$numberLong\":\"100\"},\"heapId\":\"22432aa\",\"heapDumpId\":\"21234ff\",\"histogramId\":\"25675nn\"},{\"agentId\":\"2\",\"vmId\":\"2\",\"timeStamp\":{\"$numberLong\":\"200\"}}]", gson.toJson(infos, list_type)); + } +}