Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ExpiringColumn

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        SSTableWriter writer = new SSTableWriter(tempSS.getPath(), 2);

        int nowInSec = (int)(System.currentTimeMillis() / 1000) + 42; //live for 42 seconds
        // Add rowA
        cfamily.addColumn(ByteBufferUtil.bytes("colA"), ByteBufferUtil.bytes("valA"), System.currentTimeMillis());
        cfamily.addColumn(new ExpiringColumn(ByteBufferUtil.bytes("colExp"), ByteBufferUtil.bytes("valExp"), System.currentTimeMillis(), 42, nowInSec));
        writer.append(Util.dk("rowA"), cfamily);
        cfamily.clear();

        // Add rowB
        cfamily.addColumn(ByteBufferUtil.bytes("colB"), ByteBufferUtil.bytes("valB"), System.currentTimeMillis());
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            JsonColumn col = new JsonColumn<List>((List) c, cfm, (superName != null));
            QueryPath path = new QueryPath(cfm.cfName, superName, col.getName());

            if (col.isExpiring())
            {
                cfamily.addColumn(null, new ExpiringColumn(col.getName(), col.getValue(), col.timestamp, col.ttl, col.localExpirationTime));
            }
            else if (col.isCounter())
            {
                cfamily.addColumn(null, new CounterColumn(col.getName(), col.getValue(), col.timestamp, col.timestampOfLastDelete));
            }
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        addColumn(cf, name, ByteBufferUtil.bytes(value));
    }

    private static void addColumn(ColumnFamily cf, ByteBuffer name, ByteBuffer value)
    {
        cf.addColumn(new ExpiringColumn(name, value, System.currentTimeMillis(), TTL));
    }
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    public void addParameterColumns(ColumnFamily cf, Map<String, String> rawPayload)
    {
        for (Map.Entry<String, String> entry : rawPayload.entrySet())
        {
            cf.addColumn(new ExpiringColumn(buildName(cf.metadata(), bytes("parameters"), bytes(entry.getKey())),
                                            bytes(entry.getValue()), System.currentTimeMillis(), TTL));
        }
    }
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        SSTableWriter writer = new SSTableWriter(tempSS.getPath(), 2);

        int nowInSec = (int)(System.currentTimeMillis() / 1000) + 42; //live for 42 seconds
        // Add rowA
        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("colA")), ByteBufferUtil.bytes("valA"), System.currentTimeMillis());
        cfamily.addColumn(null, new ExpiringColumn(ByteBufferUtil.bytes("colExp"), ByteBufferUtil.bytes("valExp"), System.currentTimeMillis(), 42, nowInSec));
        writer.append(Util.dk("rowA"), cfamily);
        cfamily.clear();

        // Add rowB
        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("colB")), ByteBufferUtil.bytes("valB"), System.currentTimeMillis());
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        SSTableWriter writer = new SSTableWriter(tempSS.getPath(), 2);

        int nowInSec = (int)(System.currentTimeMillis() / 1000) + 42; //live for 42 seconds
        // Add rowA
        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("colA")), ByteBufferUtil.bytes("valA"), System.currentTimeMillis());
        cfamily.addColumn(null, new ExpiringColumn(ByteBufferUtil.bytes("colExp"), ByteBufferUtil.bytes("valExp"), System.currentTimeMillis(), 42, nowInSec));
        writer.append(Util.dk("rowA"), cfamily);
        cfamily.clear();

        // Add rowB
        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("colB")), ByteBufferUtil.bytes("valB"), System.currentTimeMillis());
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        SSTableWriter writer = new SSTableWriter(tempSS.getPath(), 2);

        int nowInSec = (int)(System.currentTimeMillis() / 1000) + 42; //live for 42 seconds
        // Add rowA
        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("colA")), ByteBufferUtil.bytes("valA"), System.currentTimeMillis());
        cfamily.addColumn(null, new ExpiringColumn(ByteBufferUtil.bytes("colExp"), ByteBufferUtil.bytes("valExp"), System.currentTimeMillis(), 42, nowInSec));
        writer.append(Util.dk("rowA"), cfamily);
        cfamily.clear();

        // Add rowB
        cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("colB")), ByteBufferUtil.bytes("valB"), System.currentTimeMillis());
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            JsonColumn col = new JsonColumn<List>((List) c, cfm, (superName != null));
            QueryPath path = new QueryPath(cfm.cfName, superName, col.getName());

            if (col.isExpiring())
            {
                cfamily.addColumn(null, new ExpiringColumn(col.getName(), col.getValue(), col.timestamp, col.ttl, col.localExpirationTime));
            }
            else if (col.isCounter())
            {
                cfamily.addColumn(null, new CounterColumn(col.getName(), col.getValue(), col.timestamp, col.timestampOfLastDelete));
            }
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        addColumn(cf, name, ByteBufferUtil.bytes(value));
    }

    private static void addColumn(ColumnFamily cf, ByteBuffer name, ByteBuffer value)
    {
        cf.addColumn(new ExpiringColumn(name, value, System.currentTimeMillis(), TTL));
    }
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    public void addParameterColumns(ColumnFamily cf, Map<String, String> rawPayload)
    {
        for (Map.Entry<String, String> entry : rawPayload.entrySet())
        {
            cf.addColumn(new ExpiringColumn(buildName(cf.metadata(), bytes("parameters"), bytes(entry.getKey())),
                                            bytes(entry.getValue()), System.currentTimeMillis(), TTL));
        }
    }
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Related Classes of org.apache.cassandra.db.ExpiringColumn

  • org.apache.cassandra.io.util.DataOutputBuffer
  • org.apache.cassandra.tools.SSTableExportTest
  • org.apache.cassandra.tools.SSTableImport
  • org.apache.cassandra.tracing.Tracing
  • org.apache.cassandra.serializers.MarshalException
  • java.nio.ByteBuffer
  • org.apache.cassandra.db.marshal.MarshalException
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