Examples with DistributedSystem org.apache.geode.distributed.DistributedSystem used on opensource projects

Example 36 with DistributedSystem

use of org.apache.geode.distributed.DistributedSystem in project geode by apache.

the class ReconnectDUnitTest method forceDisconnect.

public boolean forceDisconnect(VM vm) throws Exception {
    SerializableCallable fd = new SerializableCallable("crash distributed system") {

        public Object call() throws Exception {
            // since the system will disconnect and attempt to reconnect
            // a new system the old reference to DTC.system can cause
            // trouble, so we first null it out.
            nullSystem();
            final DistributedSystem msys = InternalDistributedSystem.getAnyInstance();
            final Locator oldLocator = Locator.getLocator();
            MembershipManagerHelper.crashDistributedSystem(msys);
            if (oldLocator != null) {
                WaitCriterion wc = new WaitCriterion() {

                    public boolean done() {
                        return msys.isReconnecting();
                    }

                    public String description() {
                        return "waiting for locator to start reconnecting: " + oldLocator;
                    }
                };
                Wait.waitForCriterion(wc, 10000, 50, true);
            }
            return true;
        }
    };
    if (vm != null) {
        return (Boolean) vm.invoke(fd);
    } else {
        return (Boolean) fd.call();
    }
}

Example 37 with DistributedSystem

use of org.apache.geode.distributed.DistributedSystem in project geode by apache.

the class TestDiskRegion method main4.

/**
   * Byte arrays
   */
public static void main4(String[] args) throws Exception {
    DistributedSystem system = DistributedSystem.connect(new java.util.Properties());
    Cache cache = CacheFactory.create(system);
    AttributesFactory factory = new AttributesFactory();
    factory.setEvictionAttributes(EvictionAttributes.createLRUMemoryAttributes(2, (ObjectSizer) null, EvictionAction.OVERFLOW_TO_DISK));
    LocalRegion region = (LocalRegion) cache.createRegion("TestDiskRegion", factory.create());
    for (int i = 0; i < 100000; i++) {
        System.out.println(i);
        region.put(String.valueOf(i), String.valueOf(i).getBytes());
    }
}

Example 38 with DistributedSystem

use of org.apache.geode.distributed.DistributedSystem in project geode by apache.

the class TestDiskRegion method main1.

public static void main1(String[] args) throws Exception {
    DistributedSystem system = DistributedSystem.connect(new java.util.Properties());
    Cache cache = CacheFactory.create(system);
    AttributesFactory factory = new AttributesFactory();
    factory.setEvictionAttributes(EvictionAttributes.createLRUMemoryAttributes(2, (ObjectSizer) null, EvictionAction.OVERFLOW_TO_DISK));
    factory.setCacheListener(new CacheListenerAdapter() {

        public void afterUpdate(EntryEvent event) {
            System.out.println("UPDATE: " + event.getKey() + " -> (" + event.getOldValue() + " -> " + event.getNewValue() + ")");
        }
    });
    LocalRegion region = (LocalRegion) cache.createRegion("TestDiskRegion", factory.create());
    DiskRegion dr = region.getDiskRegion();
    DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    System.out.println("Hit enter to perform action");
    for (int i = 0; true; i++) {
        br.readLine();
        // Thread.sleep(500);
        Object key = new Integer(i);
        Object value = new byte[200000];
        region.put(key, value);
        System.out.println(key + " -> " + value + " evictions = " + lruStats.getEvictions() + ", writes = " + diskStats.getWrites());
    }
}

Example 39 with DistributedSystem

use of org.apache.geode.distributed.DistributedSystem in project geode by apache.

the class ClassPathLoaderIntegrationTest method testDeployWithExistingDependentJars.

@Test
public void testDeployWithExistingDependentJars() throws Exception {
    ClassBuilder classBuilder = new ClassBuilder();
    final File parentJarFile = new File(temporaryFolder.getRoot(), "JarDeployerDUnitAParent.v1.jar");
    final File usesJarFile = new File(temporaryFolder.getRoot(), "JarDeployerDUnitUses.v1.jar");
    final File functionJarFile = new File(temporaryFolder.getRoot(), "JarDeployerDUnitFunction.v1.jar");
    // Write out a JAR files.
    StringBuffer stringBuffer = new StringBuffer();
    stringBuffer.append("package jddunit.parent;");
    stringBuffer.append("public class JarDeployerDUnitParent {");
    stringBuffer.append("public String getValueParent() {");
    stringBuffer.append("return \"PARENT\";}}");
    byte[] jarBytes = classBuilder.createJarFromClassContent("jddunit/parent/JarDeployerDUnitParent", stringBuffer.toString());
    FileOutputStream outStream = new FileOutputStream(parentJarFile);
    outStream.write(jarBytes);
    outStream.close();
    stringBuffer = new StringBuffer();
    stringBuffer.append("package jddunit.uses;");
    stringBuffer.append("public class JarDeployerDUnitUses {");
    stringBuffer.append("public String getValueUses() {");
    stringBuffer.append("return \"USES\";}}");
    jarBytes = classBuilder.createJarFromClassContent("jddunit/uses/JarDeployerDUnitUses", stringBuffer.toString());
    outStream = new FileOutputStream(usesJarFile);
    outStream.write(jarBytes);
    outStream.close();
    stringBuffer = new StringBuffer();
    stringBuffer.append("package jddunit.function;");
    stringBuffer.append("import jddunit.parent.JarDeployerDUnitParent;");
    stringBuffer.append("import jddunit.uses.JarDeployerDUnitUses;");
    stringBuffer.append("import org.apache.geode.cache.execute.Function;");
    stringBuffer.append("import org.apache.geode.cache.execute.FunctionContext;");
    stringBuffer.append("public class JarDeployerDUnitFunction  extends JarDeployerDUnitParent implements Function {");
    stringBuffer.append("private JarDeployerDUnitUses uses = new JarDeployerDUnitUses();");
    stringBuffer.append("public boolean hasResult() {return true;}");
    stringBuffer.append("public void execute(FunctionContext context) {context.getResultSender().lastResult(getValueParent() + \":\" + uses.getValueUses());}");
    stringBuffer.append("public String getId() {return \"JarDeployerDUnitFunction\";}");
    stringBuffer.append("public boolean optimizeForWrite() {return false;}");
    stringBuffer.append("public boolean isHA() {return false;}}");
    ClassBuilder functionClassBuilder = new ClassBuilder();
    functionClassBuilder.addToClassPath(parentJarFile.getAbsolutePath());
    functionClassBuilder.addToClassPath(usesJarFile.getAbsolutePath());
    jarBytes = functionClassBuilder.createJarFromClassContent("jddunit/function/JarDeployerDUnitFunction", stringBuffer.toString());
    outStream = new FileOutputStream(functionJarFile);
    outStream.write(jarBytes);
    outStream.close();
    ServerStarterRule serverStarterRule = new ServerStarterRule(temporaryFolder.getRoot());
    serverStarterRule.startServer();
    GemFireCacheImpl gemFireCache = GemFireCacheImpl.getInstance();
    DistributedSystem distributedSystem = gemFireCache.getDistributedSystem();
    Execution execution = FunctionService.onMember(distributedSystem.getDistributedMember());
    ResultCollector resultCollector = execution.execute("JarDeployerDUnitFunction");
    @SuppressWarnings("unchecked") List<String> result = (List<String>) resultCollector.getResult();
    assertEquals("PARENT:USES", result.get(0));
    serverStarterRule.after();
}

Example 40 with DistributedSystem

use of org.apache.geode.distributed.DistributedSystem in project geode by apache.

the class Bug37241DUnitTest method createCache.

private void createCache(Properties props) throws Exception {
    DistributedSystem ds = getSystem(props);
    ds.disconnect();
    ds = getSystem(props);
    assertNotNull(ds);
    cache = CacheFactory.create(ds);
    assertNotNull(cache);
}