Examples of PaxosState

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit inProgress = new Commit(key,
                                       row.getUUID("in_progress_ballot"),
                                       row.has("proposal") ? ColumnFamily.fromBytes(row.getBytes("proposal")) : EmptyColumns.factory.create(metadata));
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(inProgress, mostRecent);
    }
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Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), EmptyColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
View Full Code Here

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), ArrayBackedSortedColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
View Full Code Here

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), ArrayBackedSortedColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
View Full Code Here

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = ? AND cf_id = ?";
        UntypedResultSet results = executeInternal(String.format(req, PAXOS_CF), key, metadata.cfId);
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), ArrayBackedSortedColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
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Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = ? AND cf_id = ?";
        UntypedResultSet results = executeInternal(String.format(req, PAXOS_TABLE), key, metadata.cfId);
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), ArrayBackedSortedColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
View Full Code Here

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit inProgress = new Commit(key,
                                       row.getUUID("in_progress_ballot"),
                                       row.has("proposal") ? ColumnFamily.fromBytes(row.getBytes("proposal")) : EmptyColumns.factory.create(metadata));
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(inProgress, mostRecent);
    }
View Full Code Here

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), EmptyColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
View Full Code Here

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = new Commit(key, row.getUUID("in_progress_ballot"), EmptyColumns.factory.create(metadata));
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
View Full Code Here

Examples of org.apache.cassandra.service.paxos.PaxosState

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    public static PaxosState loadPaxosState(ByteBuffer key, CFMetaData metadata)
    {
        String req = "SELECT * FROM system.%s WHERE row_key = ? AND cf_id = ?";
        UntypedResultSet results = executeInternal(String.format(req, PAXOS_CF), key, metadata.cfId);
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), ArrayBackedSortedColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
                        ? new Commit(key, row.getUUID("proposal_ballot"), ColumnFamily.fromBytes(row.getBytes("proposal")))
                        : Commit.emptyCommit(key, metadata);
        // either most_recent_commit and most_recent_commit_at will both be set, or neither
        Commit mostRecent = row.has("most_recent_commit")
                          ? new Commit(key, row.getUUID("most_recent_commit_at"), ColumnFamily.fromBytes(row.getBytes("most_recent_commit")))
                          : Commit.emptyCommit(key, metadata);
        return new PaxosState(promised, accepted, mostRecent);
    }
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