public Filter build() {
Filter filter;
switch (FilterType.valueOf(type)) {
case ColumnCountGetFilter:
filter = new ColumnCountGetFilter(limit);
break;
case ColumnPaginationFilter:
filter = new ColumnPaginationFilter(limit, offset);
break;
case ColumnPrefixFilter:
filter = new ColumnPrefixFilter(Base64.decode(value));
break;
case ColumnRangeFilter:
filter =
new ColumnRangeFilter(
Base64.decode(minColumn),
minColumnInclusive,
Base64.decode(maxColumn),
maxColumnInclusive);
break;
case DependentColumnFilter:
filter =
new DependentColumnFilter(
Base64.decode(family),
qualifier != null ? Base64.decode(qualifier) : null,
dropDependentColumn,
CompareOp.valueOf(op),
comparator.build());
break;
case FamilyFilter:
filter = new FamilyFilter(CompareOp.valueOf(op), comparator.build());
break;
case FilterList:
{
List<Filter> list = new ArrayList<Filter>();
for (FilterModel model : filters) {
list.add(model.build());
}
filter = new FilterList(FilterList.Operator.valueOf(op), list);
}
break;
case FirstKeyOnlyFilter:
filter = new FirstKeyOnlyFilter();
break;
case InclusiveStopFilter:
filter = new InclusiveStopFilter(Base64.decode(value));
break;
case KeyOnlyFilter:
filter = new KeyOnlyFilter();
break;
case MultipleColumnPrefixFilter:
{
byte[][] values = new byte[prefixes.size()][];
for (int i = 0; i < prefixes.size(); i++) {
values[i] = Base64.decode(prefixes.get(i));
}
filter = new MultipleColumnPrefixFilter(values);
}
break;
case PageFilter:
filter = new PageFilter(Long.valueOf(value));
break;
case PrefixFilter:
filter = new PrefixFilter(Base64.decode(value));
break;
case QualifierFilter:
filter = new QualifierFilter(CompareOp.valueOf(op), comparator.build());
break;
case RandomRowFilter:
filter = new RandomRowFilter(chance);
break;
case RowFilter:
filter = new RowFilter(CompareOp.valueOf(op), comparator.build());
break;
case SingleColumnValueFilter:
filter =
new SingleColumnValueFilter(
Base64.decode(family),
qualifier != null ? Base64.decode(qualifier) : null,
CompareOp.valueOf(op),
comparator.build());
if (ifMissing != null) {
((SingleColumnValueFilter) filter).setFilterIfMissing(ifMissing);
}
if (latestVersion != null) {
((SingleColumnValueFilter) filter).setLatestVersionOnly(latestVersion);
}
break;
case SingleColumnValueExcludeFilter:
filter =
new SingleColumnValueExcludeFilter(
Base64.decode(family),
qualifier != null ? Base64.decode(qualifier) : null,
CompareOp.valueOf(op),
comparator.build());
if (ifMissing != null) {
((SingleColumnValueExcludeFilter) filter).setFilterIfMissing(ifMissing);
}
if (latestVersion != null) {
((SingleColumnValueExcludeFilter) filter).setLatestVersionOnly(latestVersion);
}
break;
case SkipFilter:
filter = new SkipFilter(filters.get(0).build());
break;
case TimestampsFilter:
filter = new TimestampsFilter(timestamps);
break;
case ValueFilter:
filter = new ValueFilter(CompareOp.valueOf(op), comparator.build());
break;
case WhileMatchFilter:
filter = new WhileMatchFilter(filters.get(0).build());
break;
default:
throw new RuntimeException("unhandled filter type: " + type);
}
return filter;
}
public FilterModel(Filter filter) {
String typeName = filter.getClass().getSimpleName();
FilterType type = FilterType.valueOf(typeName);
this.type = typeName;
switch (type) {
case ColumnCountGetFilter:
this.limit = ((ColumnCountGetFilter) filter).getLimit();
break;
case ColumnPaginationFilter:
this.limit = ((ColumnPaginationFilter) filter).getLimit();
this.offset = ((ColumnPaginationFilter) filter).getOffset();
break;
case ColumnPrefixFilter:
this.value = Base64.encodeBytes(((ColumnPrefixFilter) filter).getPrefix());
break;
case ColumnRangeFilter:
this.minColumn = Base64.encodeBytes(((ColumnRangeFilter) filter).getMinColumn());
this.minColumnInclusive = ((ColumnRangeFilter) filter).getMinColumnInclusive();
this.maxColumn = Base64.encodeBytes(((ColumnRangeFilter) filter).getMaxColumn());
this.maxColumnInclusive = ((ColumnRangeFilter) filter).getMaxColumnInclusive();
break;
case DependentColumnFilter:
{
DependentColumnFilter dcf = (DependentColumnFilter) filter;
this.family = Base64.encodeBytes(dcf.getFamily());
byte[] qualifier = dcf.getQualifier();
if (qualifier != null) {
this.qualifier = Base64.encodeBytes(qualifier);
}
this.op = dcf.getOperator().toString();
this.comparator = new WritableByteArrayComparableModel(dcf.getComparator());
this.dropDependentColumn = dcf.dropDependentColumn();
}
break;
case FilterList:
this.op = ((FilterList) filter).getOperator().toString();
this.filters = new ArrayList<FilterModel>();
for (Filter child : ((FilterList) filter).getFilters()) {
this.filters.add(new FilterModel(child));
}
break;
case FirstKeyOnlyFilter:
case KeyOnlyFilter:
break;
case InclusiveStopFilter:
this.value = Base64.encodeBytes(((InclusiveStopFilter) filter).getStopRowKey());
break;
case MultipleColumnPrefixFilter:
this.prefixes = new ArrayList<String>();
for (byte[] prefix : ((MultipleColumnPrefixFilter) filter).getPrefix()) {
this.prefixes.add(Base64.encodeBytes(prefix));
}
break;
case PageFilter:
this.value = Long.toString(((PageFilter) filter).getPageSize());
break;
case PrefixFilter:
this.value = Base64.encodeBytes(((PrefixFilter) filter).getPrefix());
break;
case FamilyFilter:
case QualifierFilter:
case RowFilter:
case ValueFilter:
this.op = ((CompareFilter) filter).getOperator().toString();
this.comparator =
new WritableByteArrayComparableModel(((CompareFilter) filter).getComparator());
break;
case RandomRowFilter:
this.chance = ((RandomRowFilter) filter).getChance();
break;
case SingleColumnValueExcludeFilter:
case SingleColumnValueFilter:
{
SingleColumnValueFilter scvf = (SingleColumnValueFilter) filter;
this.family = Base64.encodeBytes(scvf.getFamily());
byte[] qualifier = scvf.getQualifier();
if (qualifier != null) {
this.qualifier = Base64.encodeBytes(qualifier);
}
this.op = scvf.getOperator().toString();
this.comparator = new WritableByteArrayComparableModel(scvf.getComparator());
if (scvf.getFilterIfMissing()) {
this.ifMissing = true;
}
if (scvf.getLatestVersionOnly()) {
this.latestVersion = true;
}
}
break;
case SkipFilter:
this.filters = new ArrayList<FilterModel>();
this.filters.add(new FilterModel(((SkipFilter) filter).getFilter()));
break;
case TimestampsFilter:
this.timestamps = ((TimestampsFilter) filter).getTimestamps();
break;
case WhileMatchFilter:
this.filters = new ArrayList<FilterModel>();
this.filters.add(new FilterModel(((WhileMatchFilter) filter).getFilter()));
break;
default:
throw new RuntimeException("unhandled filter type " + type);
}
}