@Override
public void readFields(DataInput input) throws IOException {
byte[] tableNameBytes = Bytes.readByteArray(input);
PName tableName = new PNameImpl(tableNameBytes);
PTableType tableType = PTableType.values()[WritableUtils.readVInt(input)];
long sequenceNumber = WritableUtils.readVLong(input);
long timeStamp = input.readLong();
byte[] pkNameBytes = Bytes.readByteArray(input);
String pkName = pkNameBytes.length == 0 ? null : Bytes.toString(pkNameBytes);
int nColumns = WritableUtils.readVInt(input);
List<PColumn> columns = Lists.newArrayListWithExpectedSize(nColumns);
for (int i = 0; i < nColumns; i++) {
PColumn column = new PColumnImpl();
column.readFields(input);
columns.add(column);
}
Map<String, byte[][]> guidePosts = new HashMap<String, byte[][]>();
int size = WritableUtils.readVInt(input);
for (int i = 0; i < size; i++) {
String key = WritableUtils.readString(input);
int valueSize = WritableUtils.readVInt(input);
byte[][] value = new byte[valueSize][];
for (int j = 0; j < valueSize; j++) {
value[j] = Bytes.readByteArray(input);
}
guidePosts.put(key, value);
}
PTableStats stats = new PTableStatsImpl(guidePosts);
init(tableName, tableType, timeStamp, sequenceNumber, pkName, columns, stats);
}
private void init(
PName name,
PTableType type,
long timeStamp,
long sequenceNumber,
String pkName,
List<PColumn> columns,
PTableStats stats) {
this.name = name;
this.type = type;
this.timeStamp = timeStamp;
this.sequenceNumber = sequenceNumber;
this.columnsByName = ArrayListMultimap.create(columns.size(), 1);
this.pkName = pkName;
List<PColumn> pkColumns = Lists.newArrayListWithExpectedSize(columns.size() - 1);
PColumn[] allColumns = new PColumn[columns.size()];
RowKeySchemaBuilder builder = new RowKeySchemaBuilder();
for (int i = 0; i < allColumns.length; i++) {
PColumn column = columns.get(i);
allColumns[column.getPosition()] = column;
PName familyName = column.getFamilyName();
if (familyName == null) {
pkColumns.add(column);
builder.addField(column);
}
columnsByName.put(column.getName().getString(), column);
}
this.pkColumns = ImmutableList.copyOf(pkColumns);
this.rowKeySchema = builder.setMinNullable(pkColumns.size()).build();
this.allColumns = ImmutableList.copyOf(allColumns);
// Two pass so that column order in column families matches overall column order
// and to ensure that column family order is constant
int maxExpectedSize = allColumns.length - pkColumns.size();
// Maintain iteration order so that column families are ordered as they are listed
Map<PName, List<PColumn>> familyMap = Maps.newLinkedHashMap();
for (PColumn column : allColumns) {
PName familyName = column.getFamilyName();
if (familyName != null) {
List<PColumn> columnsInFamily = familyMap.get(familyName);
if (columnsInFamily == null) {
columnsInFamily = Lists.newArrayListWithExpectedSize(maxExpectedSize);
familyMap.put(familyName, columnsInFamily);
}
columnsInFamily.add(column);
}
}
Iterator<Map.Entry<PName, List<PColumn>>> iterator = familyMap.entrySet().iterator();
PColumnFamily[] families = new PColumnFamily[familyMap.size()];
ImmutableMap.Builder<String, PColumnFamily> familyByString = ImmutableMap.builder();
ImmutableSortedMap.Builder<byte[], PColumnFamily> familyByBytes =
ImmutableSortedMap.orderedBy(Bytes.BYTES_COMPARATOR);
for (int i = 0; i < families.length; i++) {
Map.Entry<PName, List<PColumn>> entry = iterator.next();
PColumnFamily family = new PColumnFamilyImpl(entry.getKey(), entry.getValue());
families[i] = family;
familyByString.put(family.getName().getString(), family);
familyByBytes.put(family.getName().getBytes(), family);
}
this.families = ImmutableList.copyOf(families);
this.familyByBytes = familyByBytes.build();
this.familyByString = familyByString.build();
this.stats = stats;
}