Java Cache类代码示例

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
@Test
public void testIsServing() {
  final Cache mockCache = mockContext.mock(Cache.class, "Cache");
  final CacheServer mockCacheServer = mockContext.mock(CacheServer.class, "CacheServer");

  mockContext.checking(new Expectations() {{
    oneOf(mockCache).getCacheServers();
    will(returnValue(Collections.singletonList(mockCacheServer)));
  }});

  final ServerLauncher serverLauncher = new Builder().setMemberName("serverOne").build();

  assertNotNull(serverLauncher);
  assertEquals("serverOne", serverLauncher.getMemberName());
  assertTrue(serverLauncher.isServing(mockCache));
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public void testPDXObject() {
	final Properties props = new Properties();
	props.setProperty(DistributionConfig.MCAST_ADDRESS_NAME, "239.192.81.10");
	DistributedSystem.connect(props);
	Cache cache = new CacheFactory().create();
	PdxInstanceFactory pf = PdxInstanceFactoryImpl.newCreator("Portfolio", false);
	Portfolio p = new Portfolio(2);
	pf.writeInt("ID", 111);
	pf.writeString("status", "active");
	pf.writeString("secId", "IBM");
	pf.writeObject("portfolio", p);
	PdxInstance pi = pf.create();

	TypedJson tJsonObj = new TypedJson(RESULT,pi);
	System.out.println(tJsonObj);
	cache.close();

}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
/** 
 * Creates a HARegionQueue object with default attributes.
 * used by tests 
 * 
 * @param regionName
 * @param cache
 * @param hrqa
 * @param haRgnQType
 * @param isDurable
 * @return an instance of HARegionQueue
 * @throws IOException
 * @throws ClassNotFoundException
 * @throws CacheException
 * @throws InterruptedException
 * @since 5.7
 */
public static HARegionQueue getHARegionQueueInstance(String regionName,
    Cache cache, HARegionQueueAttributes hrqa, final int haRgnQType,
    final boolean isDurable)
    throws IOException, ClassNotFoundException, CacheException, InterruptedException
{
  Map container = null;
  if (haRgnQType == HARegionQueue.BLOCKING_HA_QUEUE) {
    container = new HAContainerMap(new HashMap());
  }
  else {
    // Should actually be HAContainerRegion, but ok if only JUnits using this
    // method.
    container = new HashMap();
  }

  return getHARegionQueueInstance(regionName, (GemFireCacheImpl)cache, hrqa, haRgnQType,
      isDurable, container, null, HandShake.CONFLATION_DEFAULT, false, Boolean.FALSE);
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public static void invokeRegionEntryPut() {
  
  int noOfEntity = conftab.intAt(RecyclePrms.numberOfEntitiesInRegion, 0);
  
  Cache cache = CacheFactory.getInstance(DistributedSystemHelper.getDistributedSystem());
  Object[] regionList = cache.rootRegions().toArray();
  int numRegs = regionList.length;

  for (int i = 0; i < numRegs; i++) {
    Region reg = (Region)regionList[i];
    if (!(reg instanceof HARegion)) {
      Set keys = reg.keySet();
      Iterator ite=keys.iterator();
      for (int j = 0; ite.hasNext() && j < noOfEntity ; j++ ) {
        Object key = ite.next();
        reg.put(key,key);
       }
     }
   }
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
/**
 * Creates a persistent region in async manner
 * 
 * @param vm
 *          reference to VM
 * @return reference to AsyncInvocation
 */
@SuppressWarnings("serial")
protected AsyncInvocation createPersistentRegionAsync(final VM vm) {
  SerializableRunnable createRegion = new SerializableRunnable(
      "Create persistent region") {
    public void run() {
      Cache cache = getCache();
      DiskStoreFactory dsf = cache.createDiskStoreFactory();
      File dir = getDiskDirForVM(vm);
      dir.mkdirs();
      dsf.setDiskDirs(new File[] { dir });
      dsf.setMaxOplogSize(1);
      dsf.setAllowForceCompaction(true);
      dsf.setAutoCompact(false);
      DiskStore ds = dsf.create(REGION_NAME);
      RegionFactory rf = cache.createRegionFactory();
      rf.setDiskStoreName(ds.getName());
      rf.setDiskSynchronous(true);
      rf.setDataPolicy(DataPolicy.PERSISTENT_REPLICATE);
      rf.setScope(Scope.DISTRIBUTED_ACK);
      rf.create(REGION_NAME);
    }
  };
  return vm.invokeAsync(createRegion);
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public void testPersistenceExplicitDiskStore() throws Throwable {
  SerializableCallable createRegion = new SerializableCallable() {
    public Object call() throws Exception {
      //Make sure the type registry is persistent
      CacheFactory cf = new CacheFactory();
      cf.setPdxPersistent(true);
      cf.setPdxDiskStore("store1");
      Cache cache = getCache(cf);
      cache.createDiskStoreFactory()
        .setMaxOplogSize(1)
        .setDiskDirs(getDiskDirs())
        .create("store1");
      AttributesFactory af = new AttributesFactory();
      af.setScope(Scope.DISTRIBUTED_ACK);
      af.setDataPolicy(DataPolicy.PERSISTENT_REPLICATE);
      af.setDiskStoreName("store1");
      createRootRegion("testSimplePdx", af.create());
      return null;
    }
  };
  persistenceTest(createRegion);
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
/**
 * Test on Local Region data
 */
public void testQueriesOnLocalRegion() {
  Cache cache = CacheUtils.getCache();

  createLocalRegion();
  assertNotNull(cache.getRegion(regionName));
  assertEquals(numElem * 2, cache.getRegion(regionName).size());

  QueryService queryService = cache.getQueryService();
  Query query1 = null;
  try {
    for (String queryStr : queries) {
      query1 = queryService.newQuery(queryStr);

      SelectResults result1 = (SelectResults) query1.execute();

      assertEquals(queryStr, numElem * 2, result1.size());
      verifyDistinctResults(result1);
    }
  } catch (Exception e) {
    e.printStackTrace();
    fail("Query " + query1 + " Execution Failed!");
  }
  // Destroy current Region for other tests
  cache.getRegion(regionName).destroyRegion();
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public void testMembershipPortRangeWithExactThreeValues() throws Exception {
  Properties config = new Properties();
  int mcastPort = AvailablePort.getRandomAvailablePort(AvailablePort.JGROUPS);
  config.setProperty("mcast-port", String.valueOf(mcastPort));
  config.setProperty("locators", "");
  config.setProperty(DistributionConfig.MEMBERSHIP_PORT_RANGE_NAME, ""
      + (DistributionConfig.DEFAULT_MEMBERSHIP_PORT_RANGE[1] - 2) + "-"
      + (DistributionConfig.DEFAULT_MEMBERSHIP_PORT_RANGE[1]));
  system = (InternalDistributedSystem)DistributedSystem.connect(config);
  Cache cache = CacheFactory.create(system);
  cache.addCacheServer();
  DistributionManager dm = (DistributionManager) system.getDistributionManager();
  InternalDistributedMember idm = dm.getDistributionManagerId();
  system.disconnect();
  assertTrue(idm.getPort() <= DistributionConfig.DEFAULT_MEMBERSHIP_PORT_RANGE[1]);
  assertTrue(idm.getPort() >= DistributionConfig.DEFAULT_MEMBERSHIP_PORT_RANGE[0]);
  assertTrue(idm.getDirectChannelPort() <= DistributionConfig.DEFAULT_MEMBERSHIP_PORT_RANGE[1]);
  assertTrue(idm.getDirectChannelPort() >= DistributionConfig.DEFAULT_MEMBERSHIP_PORT_RANGE[0]);
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
@Test
public void testIsDefaultServerEnabledWhenCacheServersExist() {
  final Cache mockCache = mockContext.mock(Cache.class, "Cache");
  final CacheServer mockCacheServer = mockContext.mock(CacheServer.class, "CacheServer");

  mockContext.checking(new Expectations() {{
    oneOf(mockCache).getCacheServers();
    will(returnValue(Collections.singletonList(mockCacheServer)));
  }});

  final ServerLauncher serverLauncher = new Builder().setMemberName("serverOne").setDisableDefaultServer(false).build();

  assertNotNull(serverLauncher);
  assertEquals("serverOne", serverLauncher.getMemberName());
  assertFalse(serverLauncher.isDisableDefaultServer());
  assertFalse(serverLauncher.isDefaultServerEnabled(mockCache));
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public void testDefaultPartitionWhenNoConditionForDefaultExists()
    throws SQLException, StandardException {
  Connection conn = getConnection();
  Statement s = conn.createStatement();
  s.execute("create schema EMP");
  Cache cache = CacheFactory.getAnyInstance();
  s
      .execute("create table EMP.PARTITIONTESTTABLE (ID int, SECONDID int, THIRDID int)");
  Region regtwo = cache.getRegion("/EMP/PARTITIONTESTTABLE");
  RegionAttributes rattr = regtwo.getAttributes();
  PartitionResolver pr = rattr.getPartitionAttributes()
      .getPartitionResolver();
  assertNotNull(pr);
  GfxdPartitionByExpressionResolver scpr = (GfxdPartitionByExpressionResolver)pr;
  assert(scpr.isDefaultPartitioning());
  assertEquals(0, scpr.getColumnNames().length);
  EntryOperationImpl dEntryOp = new EntryOperationImpl(null, null,
      new Integer(10), null, null);
  Serializable srobj = scpr.getRoutingObject(dEntryOp);
  Integer robj = (Integer)srobj;
  assertEquals(10, robj.intValue());
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public void run2() throws CacheException
{
  Cache cache = getCache();
  Region parentRegion = cache
      .getRegion(Region.SEPARATOR + parentRegionName);
  Region childRegion = null;
  childRegion = parentRegion.createSubregion(childRegionName, parentRegion
      .getAttributes());
  PartitionedRegion pr = null;
  pr = (PartitionedRegion)cache.getRegion(Region.SEPARATOR
      + parentRegionName + Region.SEPARATOR + childRegionName
      + Region.SEPARATOR + PR_PREFIX);
  if (pr != null)
    fail("PR strill exists");

  pr = (PartitionedRegion)childRegion.createSubregion(PR_PREFIX,
      createRegionAttributesForPR(1, 200));
  //      Assert.assertTrue(pr.getBucket2Node().size()==0, "B2N cleanup was not
  // done");

  assertEquals(0, pr.getRegionAdvisor().getCreatedBucketsCount());
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public void init(Principal principal, 
                 DistributedMember remoteMember,
                 Cache cache) throws NotAuthorizedException {

  if (principal != null) {
    String name = principal.getName().toLowerCase();
    if (name != null) {
      if (name.equals("root") || name.equals("admin")
          || name.equals("administrator")) {
        addReaderOps();
        addWriterOps();
        this.allowedOps.add(OperationCode.REGION_CREATE);
        this.allowedOps.add(OperationCode.REGION_DESTROY);
      }
      else if (name.startsWith("writer")) {
        addWriterOps();
      }
      else if (name.startsWith("reader")) {
        addReaderOps();
      }
    }
  }
  this.remoteDistributedMember = remoteMember;
  this.logger = cache.getSecurityLogger();
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
public void execute(FunctionContext context) {
  final String [] args = (String [])context.getArguments();
  final String regionName = args[0];
  final String importFileName = args[1];
  
  try {
    final Cache cache = CacheFactory.getAnyInstance();
    final Region<?,?> region = cache.getRegion(regionName);
    final String hostName = cache.getDistributedSystem().getDistributedMember().getHost();
    if (region != null) {
      RegionSnapshotService<?, ?> snapshotService = region.getSnapshotService();
      File importFile = new File(importFileName);
      snapshotService.load(new File(importFileName), SnapshotFormat.GEMFIRE);
      String successMessage = CliStrings.format(CliStrings.IMPORT_DATA__SUCCESS__MESSAGE, importFile.getCanonicalPath(), hostName, regionName);
      context.getResultSender().lastResult(successMessage);
    } else {
      throw new IllegalArgumentException(CliStrings.format(CliStrings.REGION_NOT_FOUND, regionName));
    }
    
  } catch (Exception e) {
    context.getResultSender().sendException(e);
  }
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
void setupForGC(){   
  final VM vm1 = Host.getHost(0).getVM(1);
  final VM vm2 = Host.getHost(0).getVM(2);
  
  
  createDefaultSetup(null);
  vm1.invoke(new SerializableRunnable() {
    public void run() {
      // no need to close cache as it will be closed as part of teardown2
      Cache cache = getCache();

      RegionFactory<Integer, Integer> dataRegionFactory = cache
          .createRegionFactory(RegionShortcut.PARTITION);
      Region region = dataRegionFactory.create("testRegion");
      for (int i = 0; i < 10; i++) {
        region.put("key" + (i + 200), "value" + (i + 200));
      }
    }
  });
}
 

import com.gemstone.gemfire.cache.Cache; //导入依赖的package包/类
private Region<Integer, MyObject> createRegion(final RegionType rt, final SerializationType st) throws Exception {
  final String name = "snapshot-" + rt.name() + "-" + st.name();
  Region<Integer, MyObject> region = getCache().getRegion(name);
  if (region != null) {
    region.destroyRegion();
  }
  
  SerializableCallable setup = new SerializableCallable() {
    @Override
    public Object call() throws Exception {
      Cache cache = getCache();
      new RegionGenerator().createRegion(cache, null, rt, name);
      return null;
    }
  };
  
  SnapshotDUnitTest.forEachVm(setup, true);
  return getCache().getRegion(name);
}