java.util.Iterator#next ( )源码实例Demo

下面列出了java.util.Iterator#next ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。

源代码1 项目: TofuCraftReload   文件: TofuVillage.java
private void removeDeadAndOutOfRangeDoors() {
    boolean flag = false;
    boolean flag1 = this.world.rand.nextInt(50) == 0;
    Iterator<VillageDoorInfo> iterator = this.villageDoorInfoList.iterator();

    while (iterator.hasNext()) {
        VillageDoorInfo villagedoorinfo = iterator.next();

        if (flag1) {
            villagedoorinfo.resetDoorOpeningRestrictionCounter();
        }

        if (world.isBlockLoaded(villagedoorinfo.getDoorBlockPos())) // Forge: check that the door block is loaded to avoid loading chunks
            if (!this.isWoodDoor(villagedoorinfo.getDoorBlockPos()) || Math.abs(this.tickCounter - villagedoorinfo.getLastActivityTimestamp()) > 1200) {
                this.centerHelper = this.centerHelper.subtract(villagedoorinfo.getDoorBlockPos());
                flag = true;
                villagedoorinfo.setIsDetachedFromVillageFlag(true);
                iterator.remove();
            }
    }

    if (flag) {
        this.updateTofuVillageRadiusAndCenter();
    }
}
 
源代码2 项目: TencentKona-8   文件: Defaults.java
public Set<Map.Entry<K, V>> entrySet() {
    return new AbstractSet<Map.Entry<K, V>>() {
        public int size() {
            return map.size();
        }

        public Iterator<Map.Entry<K,V>> iterator() {
            final Iterator<Map.Entry<K,V>> source = map.entrySet().iterator();
            return new Iterator<Map.Entry<K,V>>() {
               public boolean hasNext() { return source.hasNext(); }
               public Map.Entry<K,V> next() { return source.next(); }
               public void remove() { source.remove(); }
            };
        }

        public boolean add(Map.Entry<K,V> e) {
            return map.entrySet().add(e);
        }
    };
}
 
源代码3 项目: jivejdon   文件: AccountDaoSql.java
public Long fetchAccountByEmail(String email) {
	logger.debug("enter getAccountByName");
	String LOAD_USER_BY_EMAIL = "select userID from jiveUser where email=?";
	List queryParams = new ArrayList();
	queryParams.add(email);
	Long userId = null;
	try {
		List list = jdbcTempSource.getJdbcTemp().queryMultiObject(queryParams, LOAD_USER_BY_EMAIL);
		Iterator iter = list.iterator();
		if (iter.hasNext()) {
			logger.debug("found the account");
			Map map = (Map) iter.next();
			userId = (Long) map.get("userID");

		}
	} catch (Exception e) {
		logger.error(e);
	}
	return userId;
}
 
源代码4 项目: TencentKona-8   文件: MtomFeatureConfigurator.java
/**
 * process Mtom policy assertions and if found and is not optional then mtom is enabled on the
 * {@link WSDLBoundPortType}
 *
 * @param key Key that identifies the endpoint scope
 * @param policyMap Must be non-null
 * @throws PolicyException If retrieving the policy triggered an exception
 */
public Collection<WebServiceFeature> getFeatures(PolicyMapKey key, PolicyMap policyMap) throws PolicyException {
    final Collection<WebServiceFeature> features = new LinkedList<WebServiceFeature>();
    if ((key != null) && (policyMap != null)) {
        Policy policy = policyMap.getEndpointEffectivePolicy(key);
        if (null!=policy && policy.contains(OPTIMIZED_MIME_SERIALIZATION_ASSERTION)) {
            Iterator <AssertionSet> assertions = policy.iterator();
            while(assertions.hasNext()){
                AssertionSet assertionSet = assertions.next();
                Iterator<PolicyAssertion> policyAssertion = assertionSet.iterator();
                while(policyAssertion.hasNext()){
                    PolicyAssertion assertion = policyAssertion.next();
                    if(OPTIMIZED_MIME_SERIALIZATION_ASSERTION.equals(assertion.getName())){
                        features.add(new MTOMFeature(true));
                    } // end-if non optional mtom assertion found
                } // next assertion
            } // next alternative
        } // end-if policy contains mtom assertion
    }
    return features;
}
 
源代码5 项目: zheshiyigeniubidexiangmu   文件: WebSocketBase.java
public void reConnect() {
	try {
		this.group.shutdownGracefully();
		this.group = null;
		this.connect();
		if (future.isSuccess()) {
			this.setStatus(true);
			this.sentPing();
			Iterator<String> it = subscribChannel.iterator();
			while (it.hasNext()) {
				String channel = it.next();
				this.addChannel(channel);
			}

		}

	} catch (Exception e) {
		e.printStackTrace();
	}
}
 
源代码6 项目: jdk8u60   文件: BeanContextServicesSupport.java
/**
 * BeanContextServicesListener callback, propagates event to all
 * currently registered listeners and BeanContextServices children,
 * if this BeanContextService does not already implement this service
 * itself.
 *
 * subclasses may override or envelope this method to implement their
 * own propagation semantics.
 */

public void serviceRevoked(BeanContextServiceRevokedEvent bcssre) {
    synchronized(BeanContext.globalHierarchyLock) {
        if (services.containsKey(bcssre.getServiceClass())) return;

        fireServiceRevoked(bcssre);

        Iterator i;

        synchronized(children) {
            i = children.keySet().iterator();
        }

        while (i.hasNext()) {
            Object c = i.next();

            if (c instanceof BeanContextServices) {
                ((BeanContextServicesListener)c).serviceRevoked(bcssre);
            }
        }
    }
}
 
源代码7 项目: jdk8u60   文件: JavaAdapterBytecodeGenerator.java
private static String getGeneratedClassName(final Class<?> superType, final List<Class<?>> interfaces) {
    // The class we use to primarily name our adapter is either the superclass, or if it is Object (meaning we're
    // just implementing interfaces or extending Object), then the first implemented interface or Object.
    final Class<?> namingType = superType == Object.class ? (interfaces.isEmpty()? Object.class : interfaces.get(0)) : superType;
    final Package pkg = namingType.getPackage();
    final String namingTypeName = Type.getInternalName(namingType);
    final StringBuilder buf = new StringBuilder();
    if (namingTypeName.startsWith(JAVA_PACKAGE_PREFIX) || pkg == null || pkg.isSealed()) {
        // Can't define new classes in java.* packages
        buf.append(ADAPTER_PACKAGE_PREFIX).append(namingTypeName);
    } else {
        buf.append(namingTypeName).append(ADAPTER_CLASS_NAME_SUFFIX);
    }
    final Iterator<Class<?>> it = interfaces.iterator();
    if(superType == Object.class && it.hasNext()) {
        it.next(); // Skip first interface, it was used to primarily name the adapter
    }
    // Append interface names to the adapter name
    while(it.hasNext()) {
        buf.append("$$").append(it.next().getSimpleName());
    }
    return buf.toString().substring(0, Math.min(MAX_GENERATED_TYPE_NAME_LENGTH, buf.length()));
}
 
源代码8 项目: flink   文件: RandomSamplerTest.java
private int getSize(Iterator<?> iterator) {
	int size = 0;
	while (iterator.hasNext()) {
		iterator.next();
		size++;
	}
	return size;
}
 
源代码9 项目: linstor-server   文件: SpdkUtils.java
public static Long getBlockSizeByName(ExtCmd extCmd, String name) throws StorageException
{
    Iterator<JsonNode> elements = getJsonElements(SpdkCommands.lvsByName(extCmd, name));
    while (elements.hasNext())
    {
        JsonNode element = elements.next();
        return element.path(SPDK_BLOCK_SIZE).asLong() * element.path(SPDK_NUM_BLOCKS).asLong();
    }
    throw new StorageException("Volume not found: " + name);
}
 
源代码10 项目: Open-Lowcode   文件: NodeTree.java
/**
 * generates an object tree data element
 * 
 * @param name name of the data element
 * @return and object tree data element
 */
public ObjectTreeDataElt<TObjectDataElt<E>> generateObjectTreeDataElt(String name) {
	logger.fine("generating object tree with objects = " + this.objectregister.size() + ", link = "
			+ this.linkregister.size() + ", rootid=" + this.rootnodeid);

	ObjectTreeDataElt<TObjectDataElt<E>> tree = new ObjectTreeDataElt<TObjectDataElt<E>>(name,
			new TObjectDataEltType<E>(type));

	Iterator<E> objectiterator = objectregister.values().iterator();
	while (objectiterator.hasNext()) {
		E object = objectiterator.next();
		String objectid = getObjectId(object);
		ArrayList<String> textlinkregister = this.linkregister.get(objectid);

		if (objectid.equals(rootnodeid)) {
			logger.fine(" - adding object tree as root with " + objectid);
			tree.addNodeAsRoot(new TObjectDataElt<E>(name, object), textlinkregister);
		} else {
			logger.fine(" - adding object tree " + objectid);

			tree.addNode(new TObjectDataElt<E>(name, object), textlinkregister);
		}

	}
	ArrayList<String> linksfornull = this.linkregister.get(null);

	if (rootnodeid != null)
		if (linksfornull != null)
			if (linksfornull.size() > 0)
				throw new RuntimeException("Non null root node exist, but link from nullid exist also");
	if (linksfornull != null)
		if (linksfornull.size() > 0) {
			ArrayList<String> linkchildrenidarray = new ArrayList<String>();
			for (int i = 0; i < linksfornull.size(); i++)
				linkchildrenidarray.add(linksfornull.get(i));
			tree.addLinksForNullRootNode(linkchildrenidarray);
		}
	return tree;
}
 
源代码11 项目: Quicksql   文件: ClassBodyWrapper.java
public CompilationPackage compile(Map<String, String> classesToCompile, String extraJars)
    throws CompilerException {
    //modified classpath acquirement mode
    String belongingJarPath = ClassBodyWrapper.class.getProtectionDomain().getCodeSource()
        .getLocation()
        .getPath();

    List<String> options = Arrays
        .asList("-classpath", extraJars
            + System.getProperty("path.separator")
            + System.getProperty("java.class.path")
            + System.getProperty("path.separator")
            + belongingJarPath
        );

    List<JavaSourceFromString> strFiles = Lists.newArrayList();
    Iterator it = classesToCompile.keySet().iterator();

    String compilationReport;
    while (it.hasNext()) {
        String className = (String) it.next();
        compilationReport = classesToCompile.get(className);
        strFiles.add(new JavaSourceFromString(className, compilationReport));
    }

    JavaCompiler compiler = this.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> collector = this.getDiagnosticCollector();
    InMemoryClassManager manager = this.getClassManager(compiler);
    JavaCompiler.CompilationTask task = compiler.getTask(null, manager,
        collector, options, null, strFiles);
    boolean status = task.call();
    if (status) {
        List<CompilationUnit> compilationUnits = manager.getAllClasses();
        return new CompilationPackage(compilationUnits);
    } else {
        compilationReport = this.buildCompilationReport(collector, options);
        throw new CompilerException(compilationReport);
    }
}
 
源代码12 项目: jdk1.8-source-analysis   文件: KeyInfo.java
/**
 * Searches the library wide KeyResolvers for Private keys
 *
 * @return the private key contained in this KeyInfo
 * @throws KeyResolverException
 */
PrivateKey getPrivateKeyFromStaticResolvers() throws KeyResolverException {
    Iterator<KeyResolverSpi> it = KeyResolver.iterator();
    while (it.hasNext()) {
        KeyResolverSpi keyResolver = it.next();
        keyResolver.setSecureValidation(secureValidation);

        Node currentChild = this.constructionElement.getFirstChild();
        String uri = this.getBaseURI();
        while (currentChild != null)      {
            if (currentChild.getNodeType() == Node.ELEMENT_NODE) {
                // not using StorageResolvers at the moment
                // since they cannot return private keys
                PrivateKey pk =
                    keyResolver.engineLookupAndResolvePrivateKey(
                        (Element) currentChild, uri, null
                    );

                if (pk != null) {
                    return pk;
                }
            }
            currentChild = currentChild.getNextSibling();
        }
    }
    return null;
}
 
源代码13 项目: openjdk-jdk8u   文件: ConnectorImpl.java
public String toString() {
    String string = name() + " (defaults: ";
    Iterator<Argument> iter = defaultArguments().values().iterator();
    boolean first = true;
    while (iter.hasNext()) {
        ArgumentImpl argument = (ArgumentImpl)iter.next();
        if (!first) {
            string += ", ";
        }
        string += argument.toString();
        first = false;
    }
    string += ")";
    return string;
}
 
源代码14 项目: pocket-etl   文件: CsvInputStreamMapperTest.java
@Test
public void nextReturnsEmptyObjectAtEndOfInputStreamWithNewline() {
    InputStream inputStream = createInputStreamFromString("\"WORKERID1\",123\n");
    Iterator<TestDTO> iterator = csvInputStreamMapper.apply(inputStream);

    assertThat(iterator.hasNext(), equalTo(true));
    iterator.next();
    assertThat(iterator.hasNext(), equalTo(false));
}
 
源代码15 项目: JDKSourceCode1.8   文件: Canonicalizer20010315.java
void getXmlnsAttr(Collection<Attr> col) {
    int size = levels.size() - 1;
    if (cur == null) {
        cur = new XmlsStackElement();
        cur.level = currentLevel;
        lastlevel = currentLevel;
        levels.add(cur);
    }
    boolean parentRendered = false;
    XmlsStackElement e = null;
    if (size == -1) {
        parentRendered = true;
    } else {
        e = levels.get(size);
        if (e.rendered && e.level + 1 == currentLevel) {
            parentRendered = true;
        }
    }
    if (parentRendered) {
        col.addAll(cur.nodes);
        cur.rendered = true;
        return;
    }

    Map<String, Attr> loa = new HashMap<String, Attr>();
    for (; size >= 0; size--) {
        e = levels.get(size);
        Iterator<Attr> it = e.nodes.iterator();
        while (it.hasNext()) {
            Attr n = it.next();
            if (!loa.containsKey(n.getName())) {
                loa.put(n.getName(), n);
            }
        }
    }

    cur.rendered = true;
    col.addAll(loa.values());
}
 
private static <P, T> List<T> visitTasks(Visitor<P, T> visitor, ProjectAndTaskFilter filter, ProjectView project, P userProjectObject) {
    List<T> taskObjects = new ArrayList<T>();
    Iterator<TaskView> iterator = project.getTasks().iterator();
    while (iterator.hasNext()) {
        TaskView task = iterator.next();

        if (filter.doesAllowTask(task)) {
            T taskObject = visitor.visitTask(task, project, userProjectObject);
            taskObjects.add(taskObject);
        }
    }

    return taskObjects;
}
 
源代码17 项目: aion-germany   文件: InstanceService.java
@Override
public void run() {
	int instanceId = worldMapInstance.getInstanceId();
	int worldId = worldMapInstance.getMapId();
	WorldMap map = World.getInstance().getWorldMap(worldId);
	PlayerGroup registeredGroup = worldMapInstance.getRegisteredGroup();
	if (registeredGroup == null) {
		if (worldMapInstance.playersCount() > 0) {
			updateSoloInstanceDestroyTime();
			return;
		}
		if (worldMapInstance.playersCount() == 0) {
			if (canDestroySoloInstance()) {
				map.removeWorldMapInstance(instanceId);
				destroyInstance(worldMapInstance);
				return;
			}
			else {
				return;
			}
		}
		Iterator<Player> playerIterator = worldMapInstance.playerIterator();
		int mapId = worldMapInstance.getMapId();
		while (playerIterator.hasNext()) {
			Player player = playerIterator.next();
			if (player.isOnline() && player.getWorldId() == mapId) {
				return;
			}
		}
		map.removeWorldMapInstance(instanceId);
		destroyInstance(worldMapInstance);
	}
	else if (registeredGroup.size() == 0) {
		map.removeWorldMapInstance(instanceId);
		destroyInstance(worldMapInstance);
	}
}
 
源代码18 项目: GraphView   文件: BuchheimWalkerAlgorithm.java
private List<Node> filterByLevel(List<Node> nodes, int level) {
    List<Node> nodeList = new ArrayList<>(nodes);

    Iterator<Node> iterator = nodeList.iterator();
    while (iterator.hasNext()) {
        Node node = iterator.next();
        int depth = getNodeData(node).getDepth();
        if (depth != level) {
            iterator.remove();
        }
    }

    return nodeList;
}
 
/**
 * Sends new list after update of playback configurations
 * @param iplayerReleased indicates if the change was due to a player being released
 */
private void dispatchPlaybackChange(boolean iplayerReleased) {
    synchronized (mClients) {
        // typical use case, nobody is listening, don't do any work
        if (mClients.isEmpty()) {
            return;
        }
    }
    if (DEBUG) { Log.v(TAG, "dispatchPlaybackChange to " + mClients.size() + " clients"); }
    final List<AudioPlaybackConfiguration> configsSystem;
    // list of playback configurations for "public consumption". It is only computed if there
    // are non-system playback activity listeners.
    final List<AudioPlaybackConfiguration> configsPublic;
    synchronized (mPlayerLock) {
        if (mPlayers.isEmpty()) {
            return;
        }
        configsSystem = new ArrayList<AudioPlaybackConfiguration>(mPlayers.values());
    }
    synchronized (mClients) {
        // was done at beginning of method, but could have changed
        if (mClients.isEmpty()) {
            return;
        }
        configsPublic = mHasPublicClients ? anonymizeForPublicConsumption(configsSystem) : null;
        final Iterator<PlayMonitorClient> clientIterator = mClients.iterator();
        while (clientIterator.hasNext()) {
            final PlayMonitorClient pmc = clientIterator.next();
            try {
                // do not spam the logs if there are problems communicating with this client
                if (pmc.mErrorCount < PlayMonitorClient.MAX_ERRORS) {
                    if (pmc.mIsPrivileged) {
                        pmc.mDispatcherCb.dispatchPlaybackConfigChange(configsSystem,
                                iplayerReleased);
                    } else {
                        // non-system clients don't have the control interface IPlayer, so
                        // they don't need to flush commands when a player was released
                        pmc.mDispatcherCb.dispatchPlaybackConfigChange(configsPublic, false);
                    }
                }
            } catch (RemoteException e) {
                pmc.mErrorCount++;
                Log.e(TAG, "Error (" + pmc.mErrorCount +
                        ") trying to dispatch playback config change to " + pmc, e);
            }
        }
    }
}
 
public void createFromCube(String projectName, String cubeName, String partitionDateStr) throws Exception {
    logger.info("Create hybrid for cube[" + cubeName + "], project[" + projectName + "], partition_date[" + partitionDateStr + "].");

    CubeInstance cubeInstance = cubeManager.getCube(cubeName);
    if (!validateCubeInstance(cubeInstance)) {
        return;
    }

    CubeDesc cubeDesc = cubeDescManager.getCubeDesc(cubeInstance.getDescName());
    DataModelDesc dataModelDesc = metadataManager.getDataModelDesc(cubeDesc.getModelName());
    if (StringUtils.isEmpty(dataModelDesc.getPartitionDesc().getPartitionDateColumn())) {
        logger.error("No incremental cube, no need to extend.");
        return;
    }

    String owner = cubeInstance.getOwner();
    long partitionDate = partitionDateStr != null ? DateFormat.stringToMillis(partitionDateStr) : 0;

    // get new name for old cube and cube_desc
    String newCubeDescName = renameCube(cubeDesc.getName());
    String newCubeInstanceName = renameCube(cubeInstance.getName());
    while (cubeDescManager.getCubeDesc(newCubeDescName) != null)
        newCubeDescName = renameCube(newCubeDescName);
    while (cubeManager.getCube(newCubeInstanceName) != null)
        newCubeInstanceName = renameCube(newCubeInstanceName);

    // create new cube_instance for old segments
    CubeInstance newCubeInstance = CubeInstance.getCopyOf(cubeInstance);
    newCubeInstance.setName(newCubeInstanceName);
    newCubeInstance.setDescName(newCubeDescName);
    newCubeInstance.updateRandomUuid();
    Iterator<CubeSegment> segmentIterator = newCubeInstance.getSegments().iterator();
    CubeSegment currentSeg = null;
    while (segmentIterator.hasNext()) {
        currentSeg = segmentIterator.next();
        if (partitionDateStr != null && (currentSeg.getTSRange().start.v >= partitionDate || currentSeg.getTSRange().end.v > partitionDate)) {
            segmentIterator.remove();
            logger.info("CubeSegment[" + currentSeg + "] was removed.");
        }
    }
    if (currentSeg != null && partitionDateStr != null && partitionDate != currentSeg.getTSRange().end.v) {
        logger.error("PartitionDate must be end date of one segment.");
        return;
    }
    if (currentSeg != null && partitionDateStr == null)
        partitionDate = currentSeg.getTSRange().end.v;

    cubeManager.createCube(newCubeInstance, projectName, owner);
    logger.info("CubeInstance was saved at: " + newCubeInstance.getResourcePath());

    // create new cube for old segments
    CubeDesc newCubeDesc = CubeDesc.getCopyOf(cubeDesc);
    newCubeDesc.setName(newCubeDescName);
    newCubeDesc.updateRandomUuid();
    newCubeDesc.init(kylinConfig);
    newCubeDesc.setPartitionDateEnd(partitionDate);
    newCubeDesc.calculateSignature();
    cubeDescManager.createCubeDesc(newCubeDesc);
    logger.info("CubeDesc was saved at: " + newCubeDesc.getResourcePath());

    // update old cube_desc to new-version metadata
    cubeDesc.setPartitionDateStart(partitionDate);
    cubeDesc.setEngineType(IEngineAware.ID_MR_V2);
    cubeDesc.setStorageType(IStorageAware.ID_SHARDED_HBASE);
    cubeDesc.calculateSignature();
    cubeDescManager.updateCubeDesc(cubeDesc);
    logger.info("CubeDesc was saved at: " + cubeDesc.getResourcePath());

    // clear segments for old cube
    cubeInstance.setSegments(new Segments());
    cubeInstance.setStatus(RealizationStatusEnum.DISABLED);
    store.checkAndPutResource(cubeInstance.getResourcePath(), cubeInstance, CubeManager.CUBE_SERIALIZER);
    logger.info("CubeInstance was saved at: " + cubeInstance.getResourcePath());

    // create hybrid model for these two cubes
    List<RealizationEntry> realizationEntries = Lists.newArrayListWithCapacity(2);
    realizationEntries.add(RealizationEntry.create(RealizationType.CUBE, cubeInstance.getName()));
    realizationEntries.add(RealizationEntry.create(RealizationType.CUBE, newCubeInstance.getName()));
    HybridInstance hybridInstance = HybridInstance.create(kylinConfig, renameHybrid(cubeInstance.getName()), realizationEntries);
    store.checkAndPutResource(hybridInstance.getResourcePath(), hybridInstance, HybridManager.HYBRID_SERIALIZER);
    ProjectManager.getInstance(kylinConfig).moveRealizationToProject(RealizationType.HYBRID, hybridInstance.getName(), projectName, owner);
    logger.info("HybridInstance was saved at: " + hybridInstance.getResourcePath());

    // copy Acl from old cube to new cube
    copyAcl(cubeInstance.getId(), newCubeInstance.getId(), projectName);
    logger.info("Acl copied from [" + cubeName + "] to [" + newCubeInstanceName + "].");
}