Example usage for java.io ObjectOutput writeObject

Introduction

In this page you can find the example usage for java.io ObjectOutput writeObject.

Prototype

public void writeObject(Object obj) throws IOException;

Source Link

Document

Write an object to the underlying storage or stream.

Usage

From source file:org.accada.epcis.repository.query.QuerySubscription.java

/**
 * Updates the subscription in the database. This is required in order to
 * correctly re-initialize the subscriptions, especially the
 * lastTimeExecuted field, after a context restart.
 * <p>// www .ja  va 2  s . com
 * TODO: This is a back-end method: move this method to the
 * QueryOperationsBackend and delegate to it (thus we would need a reference
 * to the QueryOperationsBackend in this class).
 * 
 * @param lastTimeExecuted
 *            The new lastTimeExecuted.
 */
private void updateSubscription(final GregorianCalendar lastTimeExecuted) {
    String jndiName = getProperties().getProperty("jndi.datasource.name", "java:comp/env/jdbc/EPCISDB");
    try {
        // open a database connection
        Context ctx = new InitialContext();
        DataSource db = (DataSource) ctx.lookup(jndiName);
        Connection dbconnection = db.getConnection();

        // update the subscription in the database
        String update = "UPDATE subscription SET lastexecuted=(?), params=(?)" + " WHERE subscriptionid=(?);";
        PreparedStatement stmt = dbconnection.prepareStatement(update);
        LOG.debug("SQL: " + update);
        Timestamp ts = new Timestamp(lastTimeExecuted.getTimeInMillis());
        String time = ts.toString();
        stmt.setString(1, time);
        LOG.debug("       query param 1: " + time);
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(outStream);
        out.writeObject(queryParams);
        ByteArrayInputStream inStream = new ByteArrayInputStream(outStream.toByteArray());
        stmt.setBinaryStream(2, inStream, inStream.available());
        LOG.debug("       query param 2: [" + inStream.available() + " bytes]");
        stmt.setString(3, subscriptionID);
        LOG.debug("       query param 3: " + subscriptionID);
        stmt.executeUpdate();

        // close the database connection
        dbconnection.close();
    } catch (SQLException e) {
        String msg = "An SQL error occurred while updating the subscriptions in the database.";
        LOG.error(msg, e);
    } catch (IOException e) {
        String msg = "Unable to update the subscription in the database: " + e.getMessage();
        LOG.error(msg, e);
    } catch (NamingException e) {
        String msg = "Unable to find JNDI data source with name " + jndiName;
        LOG.error(msg, e);
    }
}

From source file:com.splicemachine.derby.impl.sql.execute.operations.scanner.TableScannerBuilder.java

@Override
public void writeExternal(ObjectOutput out) throws IOException {
    out.writeObject(template);
    writeScan(out);//from   ww  w . j  av  a  2 s . co m
    out.writeBoolean(rowColumnMap != null);
    if (rowColumnMap != null) {
        out.writeInt(rowColumnMap.length);
        //noinspection ForLoopReplaceableByForEach
        for (int i = 0; i < rowColumnMap.length; ++i) {
            out.writeInt(rowColumnMap[i]);
        }
    }
    writeTxn(out);
    ArrayUtil.writeIntArray(out, keyColumnEncodingOrder);
    out.writeBoolean(keyColumnSortOrder != null);
    if (keyColumnSortOrder != null) {
        ArrayUtil.writeBooleanArray(out, keyColumnSortOrder);
    }
    ArrayUtil.writeIntArray(out, keyColumnTypes);
    out.writeBoolean(keyDecodingMap != null);
    if (keyDecodingMap != null) {
        ArrayUtil.writeIntArray(out, keyDecodingMap);
    }
    out.writeBoolean(baseColumnMap != null);
    if (baseColumnMap != null) {
        ArrayUtil.writeIntArray(out, baseColumnMap);
    }
    out.writeObject(accessedKeys);
    out.writeBoolean(reuseRowLocation);
    out.writeBoolean(oneSplitPerRegion);
    out.writeBoolean(indexName != null);
    if (indexName != null)
        out.writeUTF(indexName);
    out.writeBoolean(tableVersion != null);
    if (tableVersion != null)
        out.writeUTF(tableVersion);

    out.writeBoolean(fieldLengths != null);
    if (fieldLengths != null) {
        out.writeInt(fieldLengths.length);
        //noinspection ForLoopReplaceableByForEach
        for (int i = 0; i < fieldLengths.length; ++i) {
            out.writeInt(fieldLengths[i]);
        }
        out.writeInt(columnPositionMap.length);
        //noinspection ForLoopReplaceableByForEach
        for (int i = 0; i < columnPositionMap.length; ++i) {
            out.writeInt(columnPositionMap[i]);
        }
        out.writeLong(baseTableConglomId);
    }
    out.writeLong(demarcationPoint);
    out.writeBoolean(optionalProbeValue != null);
    if (optionalProbeValue != null)
        out.writeObject(optionalProbeValue);
    out.writeBoolean(pin);
    writeNullableString(delimited, out);
    writeNullableString(escaped, out);
    writeNullableString(lines, out);
    writeNullableString(storedAs, out);
    writeNullableString(location, out);
}

From source file:org.jclouds.blobstore.integration.internal.StubAsyncBlobStore.java

public MutableBlobMetadata copy(MutableBlobMetadata in) {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    ObjectOutput os;
    try {/*  w w w  . j a  va  2s. c om*/
        os = new ObjectOutputStream(bout);
        os.writeObject(in);
        ObjectInput is = new ObjectInputStream(new ByteArrayInputStream(bout.toByteArray()));
        MutableBlobMetadata metadata = (MutableBlobMetadata) is.readObject();
        convertUserMetadataKeysToLowercase(metadata);
        return metadata;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:StringMap.java

public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException {
    HashMap map = new HashMap(this);
    out.writeObject(map);
}

From source file:com.redhat.red.build.koji.model.xmlrpc.KojiBuildInfo.java

@Override
public void writeExternal(ObjectOutput out) throws IOException {
    out.writeInt(VERSION);//  w w w.j  a  v a 2s.  co  m
    out.writeInt(id);
    out.writeInt(packageId);
    ExternalizableUtils.writeUTF(out, name);
    ExternalizableUtils.writeUTF(out, version);
    ExternalizableUtils.writeUTF(out, release);
    out.writeObject(completionTime);
    out.writeObject(creationTime);
    ExternalizableUtils.writeUTF(out, nvr);
    out.writeObject(taskId);
    out.writeObject(ownerId);
    ExternalizableUtils.writeUTF(out, ownerName);
    out.writeObject(buildState);
    out.writeObject(creationEventId);
    ExternalizableUtils.writeUTF(out, mavenGroupId);
    ExternalizableUtils.writeUTF(out, mavenArtifactId);
    ExternalizableUtils.writeUTF(out, mavenVersion);
    ExternalizableUtils.writeUTF(out, platform);
    out.writeObject(extra);
    ExternalizableUtils.writeUTF(out, source);
    // XXX: This has @JsonIgnore
    out.writeObject(typeNames);
    ExternalizableUtils.writeUTF(out, volumeName);
}

From source file:org.perf.log.logger.PerfLogData.java

private void writeStr(String outStr, ObjectOutput out) {
    try {/*from  w w  w.j a  v a 2s  .c o m*/
        if (outStr != null) {
            out.writeInt(outStr.length());
            out.writeObject(outStr);
        } else {
            out.writeInt(0);
        }
    } catch (IOException e) {

        e.printStackTrace();
    }
}

From source file:org.t2framework.commons.util.ArrayMap.java

 public final void writeExternal(final ObjectOutput out) throws IOException {
   out.writeInt(listTable.length);//from ww w. j av a  2 s.co  m
   out.writeInt(size);
   for (int i = 0; i < size; i++) {
      out.writeObject(listTable[i].key_);
      out.writeObject(listTable[i].value_);
   }
}

From source file:com.splicemachine.db.iapi.types.UserType.java

/** 
   @exception IOException error writing data
        /*  w ww.  j  a  v  a  2s  .co m*/
*/
public void writeExternal(ObjectOutput out) throws IOException {
    out.writeBoolean(isNull());
    if (!isNull())
        out.writeObject(value);
}

From source file:StringMap.java

public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException {
    HashMap map = new HashMap(this);
    out.writeBoolean(_ignoreCase);//from  w  ww  .  jav  a 2s .co m
    out.writeObject(map);
}

From source file:ezbake.data.mongo.MongoDriverHandler.java

protected byte[] ser(Object o) {
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    ObjectOutput output = null;
    try {/*from   www.ja v a2s  . co  m*/
        output = new ObjectOutputStream(bOut);
        output.writeObject(o);
    } catch (IOException e) {
        appLog.error(e.toString());
    }
    return bOut.toByteArray();
}