Examples of java.io.DataOutputStream.writeBoolean()

java.io.DataOutputStream.writeBoolean()
Writes a boolean to this output stream. @param val the boolean value to write to the OutputStream @throws IOException If an error occurs attempting to write to this DataOutputStream. @see DataInput#readBoolean()

            
          DataOutputStream out = call.connection.out;
          synchronized (out) {
            try {
              out.writeInt(call.id);                // write call id
              out.writeBoolean(error!=null);        // write error flag
              if (error == null) {
                value.write(out);
              } else {
                WritableUtils.writeString(out, errorClass);
                WritableUtils.writeString(out, error);

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    public static byte[] serialize(KSMetaData ksm) throws IOException
    {
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        DataOutputStream dout = new DataOutputStream(bout);
        dout.writeUTF(ksm.name);
        dout.writeBoolean(ksm.repStratClass != null);
        if (ksm.repStratClass != null)
            dout.writeUTF(ksm.repStratClass.getName());
        dout.writeInt(ksm.replicationFactor);
        dout.writeBoolean(ksm.epSnitch != null);
        if (ksm.epSnitch != null)

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        dout.writeUTF(ksm.name);
        dout.writeBoolean(ksm.repStratClass != null);
        if (ksm.repStratClass != null)
            dout.writeUTF(ksm.repStratClass.getName());
        dout.writeInt(ksm.replicationFactor);
        dout.writeBoolean(ksm.epSnitch != null);
        if (ksm.epSnitch != null)
            dout.writeUTF(ksm.epSnitch.getClass().getName());
        dout.writeInt(ksm.cfMetaData.size());
        for (CFMetaData cfm : ksm.cfMetaData.values())
            dout.write(CFMetaData.serialize(cfm));

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        DataOutputStream dout = new DataOutputStream(bout);
        dout.writeUTF(cfm.tableName);
        dout.writeUTF(cfm.cfName);
        dout.writeUTF(cfm.columnType);
        dout.writeUTF(cfm.comparator.getClass().getName());
        dout.writeBoolean(cfm.subcolumnComparator != null);
        if (cfm.subcolumnComparator != null)
            dout.writeUTF(cfm.subcolumnComparator.getClass().getName());
        dout.writeBoolean(cfm.comment != null);
        if (cfm.comment != null)
            dout.writeUTF(cfm.comment);

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        dout.writeUTF(cfm.columnType);
        dout.writeUTF(cfm.comparator.getClass().getName());
        dout.writeBoolean(cfm.subcolumnComparator != null);
        if (cfm.subcolumnComparator != null)
            dout.writeUTF(cfm.subcolumnComparator.getClass().getName());
        dout.writeBoolean(cfm.comment != null);
        if (cfm.comment != null)
            dout.writeUTF(cfm.comment);
        dout.writeDouble(cfm.rowCacheSize);
        dout.writeDouble(cfm.keyCacheSize);
        dout.close();

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        DataOutputStream out = new DataOutputStream(stream);


        // type
        out.writeInt(state.getType());
        // multiValued
        out.writeBoolean(state.isMultiValued());
        // definitionId
        out.writeUTF(state.getDefinitionId().toString());
        // modCount
        out.writeShort(state.getModCount());
        // values

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          DataOutputStream out = call.connection.out;
          synchronized (out) {
            try {
              out.writeInt(call.id);                // write call id
              out.writeBoolean(error!=null);        // write error flag
              if (error == null) {
                value.write(out);
              } else {
                WritableUtils.writeString(out, errorClass);
                WritableUtils.writeString(out, error);

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        DataOutputStream out = new DataOutputStream(stream);


        // type
        out.writeInt(state.getType());
        // multiValued
        out.writeBoolean(state.isMultiValued());
        // definitionId
        out.writeUTF(state.getDefinitionId().toString());
        // modCount
        out.writeShort(state.getModCount());
        // values

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        if (mark != null) {
            dos.writeBoolean(true);
            mark.writeExternal(dos);
        } else {
            dos.writeBoolean(false);
        }
        Location l = lastAppendLocation.get();
        if (l != null) {
            dos.writeBoolean(true);
            l.writeExternal(dos);

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        } else {
            dos.writeBoolean(false);
        }
        Location l = lastAppendLocation.get();
        if (l != null) {
            dos.writeBoolean(true);
            l.writeExternal(dos);
        } else {
            dos.writeBoolean(false);
        }

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