Example usage for java.io ObjectInput readObject

Introduction

In this page you can find the example usage for java.io ObjectInput readObject.

Prototype

public Object readObject() throws ClassNotFoundException, IOException;

Source Link

Document

Read and return an object.

Usage

From source file:gnu.trove.map.custom_hash.TObjectCharCustomHashMap.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

    // VERSION/*from   ww  w.  ja  v a2 s  . c  o m*/
    in.readByte();

    // SUPER
    super.readExternal(in);

    // STRATEGY
    strategy = (HashingStrategy<K>) in.readObject();

    // NO_ENTRY_VALUE
    no_entry_value = in.readChar();

    // NUMBER OF ENTRIES
    int size = in.readInt();
    setUp(size);

    // ENTRIES
    while (size-- > 0) {
        //noinspection unchecked
        K key = (K) in.readObject();
        char val = in.readChar();
        put(key, val);
    }
}

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From source file:gnu.trove.map.custom_hash.TObjectDoubleCustomHashMap.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

    // VERSION/*  w  w w .  j av  a  2s. c  o m*/
    in.readByte();

    // SUPER
    super.readExternal(in);

    // STRATEGY
    strategy = (HashingStrategy<K>) in.readObject();

    // NO_ENTRY_VALUE
    no_entry_value = in.readDouble();

    // NUMBER OF ENTRIES
    int size = in.readInt();
    setUp(size);

    // ENTRIES
    while (size-- > 0) {
        //noinspection unchecked
        K key = (K) in.readObject();
        double val = in.readDouble();
        put(key, val);
    }
}

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From source file:gnu.trove.map.custom_hash.TObjectFloatCustomHashMap.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

    // VERSION/*www. j a  va2 s  .c  o  m*/
    in.readByte();

    // SUPER
    super.readExternal(in);

    // STRATEGY
    strategy = (HashingStrategy<K>) in.readObject();

    // NO_ENTRY_VALUE
    no_entry_value = in.readFloat();

    // NUMBER OF ENTRIES
    int size = in.readInt();
    setUp(size);

    // ENTRIES
    while (size-- > 0) {
        //noinspection unchecked
        K key = (K) in.readObject();
        float val = in.readFloat();
        put(key, val);
    }
}

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From source file:org.kepler.objectmanager.cache.LocalRepositoryManager.java

/**
 * //from   w  w w  .j a  va 2 s .c o  m
 */
private void initLocalSaveRepo() {
    File localSaveRepoFile = new File(_localSaveRepoFileName);

    if (localSaveRepoFile.exists()) {
        if (isDebugging) {
            log.debug("localSaveRepo exists: " + localSaveRepoFile.toString());
        }

        try {
            InputStream is = null;
            ObjectInput oi = null;
            try {
                is = new FileInputStream(localSaveRepoFile);
                oi = new ObjectInputStream(is);
                Object newObj = oi.readObject();
                setLocalSaveRepo((File) newObj);
                return;
            } finally {
                if (oi != null) {
                    oi.close();
                }
                if (is != null) {
                    is.close();
                }
            }
        } catch (Exception e1) {
            // problem reading file, try to delete it
            log.warn("Exception while reading localSaveRepoFile: " + e1.getMessage());
            try {
                localSaveRepoFile.delete();
            } catch (Exception e2) {
                log.warn("Unable to delete localSaveRepoFile: " + e2.getMessage());
            }
        }
    }
    try {
        setDefaultSaveRepo();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:com.weibo.api.motan.protocol.rpc.CompressRpcCodec.java

private Object[] decodeRequestParameter(ObjectInput input, String parameterDesc, Serialization serialization)
        throws IOException, ClassNotFoundException {
    if (parameterDesc == null || parameterDesc.equals("")) {
        return null;
    }//  w w w . j  a v  a  2s.c  o m

    Class<?>[] classTypes = ReflectUtil.forNames(parameterDesc);

    Object[] paramObjs = new Object[classTypes.length];

    for (int i = 0; i < classTypes.length; i++) {
        paramObjs[i] = deserialize((byte[]) input.readObject(), classTypes[i], serialization);
    }

    return paramObjs;
}

---

From source file:com.weibo.api.motan.protocol.rpc.CompressRpcCodec.java

/**
 * //from  w  ww .ja  v  a  2 s .  c  o  m
 * @param body
 * @param dataType
 * @param requestId
 * @param rpcProtocolVersion rpc??????????
 * @param serialization
 * @return
 * @throws IOException
 * @throws ClassNotFoundException
 */
private Object decodeResponse(byte[] body, byte dataType, long requestId, byte rpcProtocolVersion,
        Serialization serialization) throws IOException, ClassNotFoundException {

    ObjectInput input = createInput(getInputStream(body));

    long processTime = input.readLong();

    DefaultResponse response = new DefaultResponse();
    response.setRequestId(requestId);
    response.setProcessTime(processTime);

    if (dataType == MotanConstants.FLAG_RESPONSE_VOID) {
        return response;
    }

    String className = input.readUTF();
    Class<?> clz = ReflectUtil.forName(className);

    Object result = deserialize((byte[]) input.readObject(), clz, serialization);

    if (dataType == MotanConstants.FLAG_RESPONSE) {
        response.setValue(result);
    } else if (dataType == MotanConstants.FLAG_RESPONSE_ATTACHMENT) {
        response.setValue(result);
        Map<String, String> attachment = decodeRequestAttachments(input);
        checkAttachment(attachment);
    } else if (dataType == MotanConstants.FLAG_RESPONSE_EXCEPTION) {
        response.setException((Exception) result);
    } else {
        throw new MotanFrameworkException("decode error: response dataType not support " + dataType,
                MotanErrorMsgConstant.FRAMEWORK_DECODE_ERROR);
    }

    response.setRequestId(requestId);

    input.close();

    return response;
}

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From source file:org.openfaces.component.table.impl.TableDataModel.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    groupingRules = (List<GroupingRule>) in.readObject();
    sortingRules = (List<SortingRule>) in.readObject();
    rowKeyExpression = ValueBindings.readValueExpression(in);
    rowDataByKeyExpression = ValueBindings.readValueExpression(in);
    pageSize = in.readInt();/*ww w.  java 2  s . com*/
    pageIndex = in.readInt();
    setWrappedData(null);

    // restoring old extracted row keys is needed for correct restoreRows/restoreRowIndexes functionality, which
    // in turn is required for correct data submission in case of concurrent data modifications
    extractedRowKeys = (List) in.readObject();
}

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From source file:org.apache.lens.driver.hive.HiveDriver.java

@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    synchronized (hiveHandles) {
        int numHiveHnadles = in.readInt();
        for (int i = 0; i < numHiveHnadles; i++) {
            QueryHandle qhandle = (QueryHandle) in.readObject();
            OperationHandle opHandle = new OperationHandle((TOperationHandle) in.readObject());
            hiveHandles.put(qhandle, opHandle);
            log.debug("Hive driver {} recovered {}:{}", getFullyQualifiedName(), qhandle, opHandle);
        }/*from   w w w .  j av a2 s .  c o m*/
        log.info("Hive driver {} recovered {} queries", getFullyQualifiedName(), hiveHandles.size());
        int numSessions = in.readInt();
        for (int i = 0; i < numSessions; i++) {
            String lensId = in.readUTF();
            SessionHandle sHandle = new SessionHandle((TSessionHandle) in.readObject(),
                    TProtocolVersion.HIVE_CLI_SERVICE_PROTOCOL_V6);
            lensToHiveSession.put(lensId, sHandle);
        }
        log.info("Hive driver {} recovered {} sessions", getFullyQualifiedName(), lensToHiveSession.size());
    }
    int numOpHandles = in.readInt();
    for (int i = 0; i < numOpHandles; i++) {
        OperationHandle opHandle = new OperationHandle((TOperationHandle) in.readObject());
        SessionHandle sHandle = new SessionHandle((TSessionHandle) in.readObject(),
                TProtocolVersion.HIVE_CLI_SERVICE_PROTOCOL_V6);
        opHandleToSession.put(opHandle, sHandle);
    }
    log.info("Hive driver {} recovered {} operation handles", getFullyQualifiedName(),
            opHandleToSession.size());
    int numOrphanedSessions = in.readInt();
    for (int i = 0; i < numOrphanedSessions; i++) {
        SessionHandle sHandle = new SessionHandle((TSessionHandle) in.readObject(),
                TProtocolVersion.HIVE_CLI_SERVICE_PROTOCOL_V6);
        orphanedHiveSessions.add(sHandle);
    }
    log.info("Hive driver {} recovered {} orphaned sessions", getFullyQualifiedName(),
            orphanedHiveSessions.size());
}

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From source file:org.apache.tapestry.engine.AbstractEngine.java

/**
 *  Reads the state serialized by {@link #writeExternal(ObjectOutput)}.
 *
 *  <p>This always set the stateful flag.  By default, a deserialized
 *  session is stateful (else, it would not have been serialized).
 **//*from   w  w w.j a v a2 s  .  c  o  m*/

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    _stateful = true;

    String localeName = in.readUTF();
    _locale = Tapestry.getLocale(localeName);

    _visit = in.readObject();
}

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From source file:com.inmobi.grill.server.query.QueryExecutionServiceImpl.java

@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    super.readExternal(in);
    Map<String, GrillDriver> driverMap = new HashMap<String, GrillDriver>();
    synchronized (drivers) {
        drivers.clear();/*from  www  .  j  av a  2s. c om*/
        int numDrivers = in.readInt();
        for (int i = 0; i < numDrivers; i++) {
            String driverClsName = in.readUTF();
            GrillDriver driver;
            try {
                Class<? extends GrillDriver> driverCls = (Class<? extends GrillDriver>) Class
                        .forName(driverClsName);
                driver = (GrillDriver) driverCls.newInstance();
                driver.configure(conf);
            } catch (Exception e) {
                LOG.error("Could not instantiate driver:" + driverClsName);
                throw new IOException(e);
            }
            driver.readExternal(in);
            drivers.add(driver);
            driverMap.put(driverClsName, driver);
        }
    }
    synchronized (allQueries) {
        int numQueries = in.readInt();
        for (int i = 0; i < numQueries; i++) {
            QueryContext ctx = (QueryContext) in.readObject();
            allQueries.put(ctx.getQueryHandle(), ctx);
            boolean driverAvailable = in.readBoolean();
            if (driverAvailable) {
                String clsName = in.readUTF();
                ctx.setSelectedDriver(driverMap.get(clsName));
            }
            try {
                ctx.setConf(getGrillConf(null, ctx.getQconf()));
            } catch (GrillException e) {
                LOG.error("Could not set query conf");
            }
        }

        // populate the query queues
        for (QueryContext ctx : allQueries.values()) {
            switch (ctx.getStatus().getStatus()) {
            case NEW:
            case QUEUED:
                // queued queries wont recovered.
                try {
                    setFailedStatus(ctx, "Launching query failed due to server restart", "Server is restarted");
                } catch (GrillException e) {
                    LOG.error("Failing query " + ctx.getQueryHandle() + " failed", e);
                }
                break;
            case LAUNCHED:
            case RUNNING:
                launchedQueries.add(ctx);
                break;
            case SUCCESSFUL:
            case FAILED:
            case CANCELED:
                updateFinishedQuery(ctx, null);
                break;
            case CLOSED:
                allQueries.remove(ctx.getQueryHandle());
            }
        }
        LOG.info("Recovered " + allQueries.size() + " queries");
    }
}

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