Examples with IBinaryComparator org.apache.hyracks.api.dataflow.value.IBinaryComparator used on opensource projects

Example 21 with IBinaryComparator

use of org.apache.hyracks.api.dataflow.value.IBinaryComparator in project asterixdb by apache.

the class MicroPreClusteredGroupRuntimeFactory method createOneOutputPushRuntime.

@Override
public AbstractOneInputOneOutputPushRuntime createOneOutputPushRuntime(final IHyracksTaskContext ctx) throws HyracksDataException {
    final IBinaryComparator[] comparators = new IBinaryComparator[comparatorFactories.length];
    for (int i = 0; i < comparatorFactories.length; ++i) {
        comparators[i] = comparatorFactories[i].createBinaryComparator();
    }
    return new AbstractOneInputOneOutputPushRuntime() {

        private PreclusteredGroupWriter pgw;

        @Override
        public void open() throws HyracksDataException {
            pgw = new PreclusteredGroupWriter(ctx, groupFields, comparators, aggregatorFactory, inRecordDesc, outRecordDesc, writer);
            pgw.open();
        }

        @Override
        public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
            pgw.nextFrame(buffer);
        }

        @Override
        public void fail() throws HyracksDataException {
            pgw.fail();
        }

        @Override
        public void close() throws HyracksDataException {
            pgw.close();
        }

        @Override
        public void flush() throws HyracksDataException {
            pgw.flush();
        }
    };
}