use of org.apache.solr.client.solrj.io.eq.MultipleFieldEqualitor in project lucene-solr by apache.
the class BiJoinStream method createIterationComparator.
private StreamComparator createIterationComparator(StreamEqualitor eq, StreamComparator comp) throws IOException {
if (eq instanceof MultipleFieldEqualitor && comp instanceof MultipleFieldComparator) {
// we know the comp is at least as long as the eq because we've already validated the tuple order
StreamComparator[] compoundComps = new StreamComparator[((MultipleFieldEqualitor) eq).getEqs().length];
for (int idx = 0; idx < compoundComps.length; ++idx) {
StreamEqualitor sourceEqualitor = ((MultipleFieldEqualitor) eq).getEqs()[idx];
StreamComparator sourceComparator = ((MultipleFieldComparator) comp).getComps()[idx];
if (sourceEqualitor instanceof FieldEqualitor && sourceComparator instanceof FieldComparator) {
FieldEqualitor fieldEqualitor = (FieldEqualitor) sourceEqualitor;
FieldComparator fieldComparator = (FieldComparator) sourceComparator;
compoundComps[idx] = new FieldComparator(fieldEqualitor.getLeftFieldName(), fieldEqualitor.getRightFieldName(), fieldComparator.getOrder());
} else {
throw new IOException("Failed to create an iteration comparator");
}
}
return new MultipleFieldComparator(compoundComps);
} else if (comp instanceof MultipleFieldComparator) {
StreamEqualitor sourceEqualitor = eq;
StreamComparator sourceComparator = ((MultipleFieldComparator) comp).getComps()[0];
if (sourceEqualitor instanceof FieldEqualitor && sourceComparator instanceof FieldComparator) {
FieldEqualitor fieldEqualitor = (FieldEqualitor) sourceEqualitor;
FieldComparator fieldComparator = (FieldComparator) sourceComparator;
return new FieldComparator(fieldEqualitor.getLeftFieldName(), fieldEqualitor.getRightFieldName(), fieldComparator.getOrder());
} else {
throw new IOException("Failed to create an iteration comparator");
}
} else {
StreamEqualitor sourceEqualitor = eq;
StreamComparator sourceComparator = comp;
if (sourceEqualitor instanceof FieldEqualitor && sourceComparator instanceof FieldComparator) {
FieldEqualitor fieldEqualitor = (FieldEqualitor) sourceEqualitor;
FieldComparator fieldComparator = (FieldComparator) sourceComparator;
return new FieldComparator(fieldEqualitor.getLeftFieldName(), fieldEqualitor.getRightFieldName(), fieldComparator.getOrder());
} else {
throw new IOException("Failed to create an iteration comparator");
}
}
}
use of org.apache.solr.client.solrj.io.eq.MultipleFieldEqualitor in project lucene-solr by apache.
the class SolrTable method handleSelectDistinctMapReduce.
private TupleStream handleSelectDistinctMapReduce(final String zkHost, final String collection, final Properties properties, final List<Map.Entry<String, Class>> fields, final String query, final List<Pair<String, String>> orders, final Bucket[] buckets, final String limit) throws IOException {
int numWorkers = Integer.parseInt(properties.getProperty("numWorkers", "1"));
String fl = getFields(fields);
String sort = null;
StreamEqualitor ecomp = null;
StreamComparator comp = null;
if (orders != null && orders.size() > 0) {
StreamComparator[] adjustedSorts = adjustSorts(orders, buckets);
// Because of the way adjustSorts works we know that each FieldComparator has a single
// field name. For this reason we can just look at the leftFieldName
FieldEqualitor[] fieldEqualitors = new FieldEqualitor[adjustedSorts.length];
StringBuilder buf = new StringBuilder();
for (int i = 0; i < adjustedSorts.length; i++) {
FieldComparator fieldComparator = (FieldComparator) adjustedSorts[i];
fieldEqualitors[i] = new FieldEqualitor(fieldComparator.getLeftFieldName());
if (i > 0) {
buf.append(",");
}
buf.append(fieldComparator.getLeftFieldName()).append(" ").append(fieldComparator.getOrder().toString());
}
sort = buf.toString();
if (adjustedSorts.length == 1) {
ecomp = fieldEqualitors[0];
comp = adjustedSorts[0];
} else {
ecomp = new MultipleFieldEqualitor(fieldEqualitors);
comp = new MultipleFieldComparator(adjustedSorts);
}
} else {
StringBuilder sortBuf = new StringBuilder();
FieldEqualitor[] equalitors = new FieldEqualitor[buckets.length];
StreamComparator[] streamComparators = new StreamComparator[buckets.length];
for (int i = 0; i < buckets.length; i++) {
equalitors[i] = new FieldEqualitor(buckets[i].toString());
streamComparators[i] = new FieldComparator(buckets[i].toString(), ComparatorOrder.ASCENDING);
if (i > 0) {
sortBuf.append(',');
}
sortBuf.append(buckets[i].toString()).append(" asc");
}
sort = sortBuf.toString();
if (equalitors.length == 1) {
ecomp = equalitors[0];
comp = streamComparators[0];
} else {
ecomp = new MultipleFieldEqualitor(equalitors);
comp = new MultipleFieldComparator(streamComparators);
}
}
ModifiableSolrParams params = new ModifiableSolrParams();
params.set(CommonParams.FL, fl);
params.set(CommonParams.Q, query);
params.set(CommonParams.WT, CommonParams.JAVABIN);
//Always use the /export handler for Distinct Queries because it requires exporting full result sets.
params.set(CommonParams.QT, "/export");
if (numWorkers > 1) {
params.set("partitionKeys", getPartitionKeys(buckets));
}
params.set(SORT, sort);
TupleStream tupleStream = null;
CloudSolrStream cstream = new CloudSolrStream(zkHost, collection, params);
tupleStream = new UniqueStream(cstream, ecomp);
if (numWorkers > 1) {
// Do the unique in parallel
// Maintain the sort of the Tuples coming from the workers.
ParallelStream parallelStream = new ParallelStream(zkHost, collection, tupleStream, numWorkers, comp);
StreamFactory factory = new StreamFactory().withFunctionName("search", CloudSolrStream.class).withFunctionName("parallel", ParallelStream.class).withFunctionName("unique", UniqueStream.class);
parallelStream.setStreamFactory(factory);
tupleStream = parallelStream;
}
if (limit != null) {
tupleStream = new LimitStream(tupleStream, Integer.parseInt(limit));
}
return tupleStream;
}
use of org.apache.solr.client.solrj.io.eq.MultipleFieldEqualitor in project lucene-solr by apache.
the class BiJoinStream method createSideComparator.
private StreamComparator createSideComparator(StreamEqualitor eq, StreamComparator comp) throws IOException {
if (eq instanceof MultipleFieldEqualitor && comp instanceof MultipleFieldComparator) {
// we know the comp is at least as long as the eq because we've already validated the tuple order
StreamComparator[] compoundComps = new StreamComparator[((MultipleFieldEqualitor) eq).getEqs().length];
for (int idx = 0; idx < compoundComps.length; ++idx) {
StreamComparator sourceComparator = ((MultipleFieldComparator) comp).getComps()[idx];
if (sourceComparator instanceof FieldComparator) {
FieldComparator fieldComparator = (FieldComparator) sourceComparator;
compoundComps[idx] = new FieldComparator(fieldComparator.getLeftFieldName(), fieldComparator.getRightFieldName(), fieldComparator.getOrder());
} else {
throw new IOException("Failed to create an side comparator");
}
}
return new MultipleFieldComparator(compoundComps);
} else if (comp instanceof MultipleFieldComparator) {
StreamComparator sourceComparator = ((MultipleFieldComparator) comp).getComps()[0];
if (sourceComparator instanceof FieldComparator) {
FieldComparator fieldComparator = (FieldComparator) sourceComparator;
return new FieldComparator(fieldComparator.getLeftFieldName(), fieldComparator.getRightFieldName(), fieldComparator.getOrder());
} else {
throw new IOException("Failed to create an side comparator");
}
} else {
StreamComparator sourceComparator = comp;
if (sourceComparator instanceof FieldComparator) {
FieldComparator fieldComparator = (FieldComparator) sourceComparator;
return new FieldComparator(fieldComparator.getLeftFieldName(), fieldComparator.getRightFieldName(), fieldComparator.getOrder());
} else {
throw new IOException("Failed to create an side comparator");
}
}
}
use of org.apache.solr.client.solrj.io.eq.MultipleFieldEqualitor in project lucene-solr by apache.
the class ReducerStream method convertToEqualitor.
private StreamEqualitor convertToEqualitor(StreamComparator comp) {
if (comp instanceof MultipleFieldComparator) {
MultipleFieldComparator mComp = (MultipleFieldComparator) comp;
StreamEqualitor[] eqs = new StreamEqualitor[mComp.getComps().length];
for (int idx = 0; idx < mComp.getComps().length; ++idx) {
eqs[idx] = convertToEqualitor(mComp.getComps()[idx]);
}
return new MultipleFieldEqualitor(eqs);
} else {
FieldComparator fComp = (FieldComparator) comp;
return new FieldEqualitor(fComp.getLeftFieldName(), fComp.getRightFieldName());
}
}
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