jpountz commented on a change in pull request #1440: URL: https://github.com/apache/lucene-solr/pull/1440#discussion_r412304782
########## File path: lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoFormat.java ########## @@ -171,133 +168,17 @@ public SegmentInfo read(Directory directory, String segmentName, byte[] segmentI SortField[] sortField = new SortField[numSortFields]; for (int i = 0; i < numSortFields; ++i) { SimpleTextUtil.readLine(input, scratch); - assert StringHelper.startsWith(scratch.get(), SI_SORT_FIELD); - final String field = readString(SI_SORT_FIELD.length, scratch); + assert StringHelper.startsWith(scratch.get(), SI_SORT_NAME); + final String provider = readString(SI_SORT_NAME.length, scratch); SimpleTextUtil.readLine(input, scratch); assert StringHelper.startsWith(scratch.get(), SI_SORT_TYPE); - final String typeAsString = readString(SI_SORT_TYPE.length, scratch); - - final SortField.Type type; - SortedSetSelector.Type selectorSet = null; - SortedNumericSelector.Type selectorNumeric = null; - switch (typeAsString) { - case "string": - type = SortField.Type.STRING; - break; - case "long": - type = SortField.Type.LONG; - break; - case "int": - type = SortField.Type.INT; - break; - case "double": - type = SortField.Type.DOUBLE; - break; - case "float": - type = SortField.Type.FLOAT; - break; - case "multi_valued_string": - type = SortField.Type.STRING; - selectorSet = readSetSelector(input, scratch); - break; - case "multi_valued_long": - type = SortField.Type.LONG; - selectorNumeric = readNumericSelector(input, scratch); - break; - case "multi_valued_int": - type = SortField.Type.INT; - selectorNumeric = readNumericSelector(input, scratch); - break; - case "multi_valued_double": - type = SortField.Type.DOUBLE; - selectorNumeric = readNumericSelector(input, scratch); - break; - case "multi_valued_float": - type = SortField.Type.FLOAT; - selectorNumeric = readNumericSelector(input, scratch); - break; - default: - throw new CorruptIndexException("unable to parse sort type string: " + typeAsString, input); - } SimpleTextUtil.readLine(input, scratch); - assert StringHelper.startsWith(scratch.get(), SI_SORT_REVERSE); - final boolean reverse = Boolean.parseBoolean(readString(SI_SORT_REVERSE.length, scratch)); - - SimpleTextUtil.readLine(input, scratch); - assert StringHelper.startsWith(scratch.get(), SI_SORT_MISSING); - final String missingLastAsString = readString(SI_SORT_MISSING.length, scratch); - final Object missingValue; - switch (type) { - case STRING: - switch (missingLastAsString) { - case "null": - missingValue = null; - break; - case "first": - missingValue = SortField.STRING_FIRST; - break; - case "last": - missingValue = SortField.STRING_LAST; - break; - default: - throw new CorruptIndexException("unable to parse missing string: " + typeAsString, input); - } - break; - case LONG: - switch (missingLastAsString) { - case "null": - missingValue = null; - break; - default: - missingValue = Long.parseLong(missingLastAsString); - break; - } - break; - case INT: - switch (missingLastAsString) { - case "null": - missingValue = null; - break; - default: - missingValue = Integer.parseInt(missingLastAsString); - break; - } - break; - case DOUBLE: - switch (missingLastAsString) { - case "null": - missingValue = null; - break; - default: - missingValue = Double.parseDouble(missingLastAsString); - break; - } - break; - case FLOAT: - switch (missingLastAsString) { - case "null": - missingValue = null; - break; - default: - missingValue = Float.parseFloat(missingLastAsString); - break; - } - break; - default: - throw new AssertionError(); - } - if (selectorSet != null) { - sortField[i] = new SortedSetSortField(field, reverse); - } else if (selectorNumeric != null) { - sortField[i] = new SortedNumericSortField(field, type, reverse); - } else { - sortField[i] = new SortField(field, type, reverse); - } - if (missingValue != null) { - sortField[i].setMissingValue(missingValue); - } + assert StringHelper.startsWith(scratch.get(), SI_SORT_BYTES); + BytesRef serializedSort = SimpleTextUtil.fromBytesRefString(readString(SI_SORT_BYTES.length, scratch)); + final ByteArrayDataInput bytes = new ByteArrayDataInput(serializedSort.bytes, serializedSort.offset, serializedSort.length); + sortField[i] = SortFieldProvider.forName(provider).loadSortField(bytes); Review comment: assert that the bytes have been fully consumed? ########## File path: lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene84/package.html ########## @@ -0,0 +1,42 @@ +<!-- + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + --> + +<!doctype html public "-//w3c//dtd html 4.0 transitional//en"> +<!-- + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> Review comment: Two licenses? ########## File path: lucene/core/src/java/org/apache/lucene/search/SortField.java ########## @@ -392,4 +491,31 @@ public SortField rewrite(IndexSearcher searcher) throws IOException { public boolean needsScores() { return type == Type.SCORE; } + + /** + * Returns an {@link IndexSorter} used for sorting index segments by this SortField. + * + * If the SortField cannot be used for index sorting (for example, if it uses scores or + * other query-dependent values) then this method should return {@code null} + * + * SortFields that implement this method should also implement a constructor that + * takes a {@link DataInput} for deserialization, to match the {@link IndexSorter#serialize(DataOutput)} + * method on the returned IndexSorter + */ Review comment: make it `lucene.internal`? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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