Merge pull request #15958 from jpountz/fix/remove_dead_fielddata_code

Remove dead fielddata code.

core/src/main/java/org/elasticsearch/index/fielddata/IndexNumericFieldData.java

@@ -19,193 +19,29 @@
 
 package org.elasticsearch.index.fielddata;
 
-import org.apache.lucene.index.TermsEnum;
-import org.apache.lucene.search.SortField;
-import org.apache.lucene.util.BytesRef;
-import org.apache.lucene.util.BytesRefBuilder;
-import org.apache.lucene.util.NumericUtils;
-import org.elasticsearch.index.fielddata.ordinals.OrdinalsBuilder;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper;
-
 /**
  */
 public interface IndexNumericFieldData extends IndexFieldData<AtomicNumericFieldData> {
 
     public static enum NumericType {
-        BOOLEAN(1, false, SortField.Type.INT, 0, 1) {
-            @Override
-            public long toLong(BytesRef indexForm) {
-                if (indexForm.equals(BooleanFieldMapper.Values.FALSE)) {
-                    return 0;
-                } else if (indexForm.equals(BooleanFieldMapper.Values.TRUE)) {
-                    return 1;
-                } else {
-                    throw new IllegalArgumentException("Cannot convert " + indexForm + " to a boolean");
-                }
-            }
-
-            @Override
-            public void toIndexForm(Number number, BytesRefBuilder bytes) {
-                bytes.append(number.intValue() != 0 ? BooleanFieldMapper.Values.TRUE : BooleanFieldMapper.Values.FALSE);
-            }
-
-            @Override
-            public Number toNumber(BytesRef indexForm) {
-                return toLong(indexForm);
-            }
-
-        },
-        BYTE(8, false, SortField.Type.INT, Byte.MIN_VALUE, Byte.MAX_VALUE) {
-            @Override
-            public long toLong(BytesRef indexForm) {
-                return INT.toLong(indexForm);
-            }
-
-            @Override
-            public void toIndexForm(Number number, BytesRefBuilder bytes) {
-                INT.toIndexForm(number, bytes);
-            }
-
-            @Override
-            public Number toNumber(BytesRef indexForm) {
-                return INT.toNumber(indexForm);
-            }
-        },
-        SHORT(16, false, SortField.Type.INT, Short.MIN_VALUE, Short.MAX_VALUE) {
-            @Override
-            public long toLong(BytesRef indexForm) {
-                return INT.toLong(indexForm);
-            }
-
-            @Override
-            public void toIndexForm(Number number, BytesRefBuilder bytes) {
-                INT.toIndexForm(number, bytes);
-            }
-
-            @Override
-            public Number toNumber(BytesRef indexForm) {
-                return INT.toNumber(indexForm);
-            }
-        },
-        INT(32, false, SortField.Type.INT, Integer.MIN_VALUE, Integer.MAX_VALUE) {
-            @Override
-            public long toLong(BytesRef indexForm) {
-                return NumericUtils.prefixCodedToInt(indexForm);
-            }
-
-            @Override
-            public void toIndexForm(Number number, BytesRefBuilder bytes) {
-                NumericUtils.intToPrefixCodedBytes(number.intValue(), 0, bytes);
-            }
-
-            @Override
-            public Number toNumber(BytesRef indexForm) {
-                return NumericUtils.prefixCodedToInt(indexForm);
-            }
-        },
-        LONG(64, false, SortField.Type.LONG, Long.MIN_VALUE, Long.MAX_VALUE) {
-            @Override
-            public long toLong(BytesRef indexForm) {
-                return NumericUtils.prefixCodedToLong(indexForm);
-            }
-
-            @Override
-            public void toIndexForm(Number number, BytesRefBuilder bytes) {
-                NumericUtils.longToPrefixCodedBytes(number.longValue(), 0, bytes);
-            }
-
-            @Override
-            public Number toNumber(BytesRef indexForm) {
-                return NumericUtils.prefixCodedToLong(indexForm);
-            }
-        },
-        FLOAT(32, true, SortField.Type.FLOAT, Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY) {
-            @Override
-            public double toDouble(BytesRef indexForm) {
-                return NumericUtils.sortableIntToFloat(NumericUtils.prefixCodedToInt(indexForm));
-            }
-
-            @Override
-            public void toIndexForm(Number number, BytesRefBuilder bytes) {
-                NumericUtils.intToPrefixCodedBytes(NumericUtils.floatToSortableInt(number.floatValue()), 0, bytes);
-            }
-
-            @Override
-            public Number toNumber(BytesRef indexForm) {
-                return NumericUtils.sortableIntToFloat(NumericUtils.prefixCodedToInt(indexForm));
-            }
-        },
-        DOUBLE(64, true, SortField.Type.DOUBLE, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY) {
-            @Override
-            public double toDouble(BytesRef indexForm) {
-                return NumericUtils.sortableLongToDouble(NumericUtils.prefixCodedToLong(indexForm));
-            }
-
-            @Override
-            public void toIndexForm(Number number, BytesRefBuilder bytes) {
-                NumericUtils.longToPrefixCodedBytes(NumericUtils.doubleToSortableLong(number.doubleValue()), 0, bytes);
-            }
-
-            @Override
-            public Number toNumber(BytesRef indexForm) {
-                return NumericUtils.sortableLongToDouble(NumericUtils.prefixCodedToLong(indexForm));
-            }
-        };
+        BOOLEAN(false),
+        BYTE(false),
+        SHORT(false),
+        INT(false),
+        LONG(false),
+        FLOAT(true),
+        DOUBLE(true);
 
-        private final int requiredBits;
         private final boolean floatingPoint;
-        private final SortField.Type type;
-        private final Number minValue, maxValue;
 
-        private NumericType(int requiredBits, boolean floatingPoint, SortField.Type type, Number minValue, Number maxValue) {
-            this.requiredBits = requiredBits;
+        private NumericType(boolean floatingPoint) {
             this.floatingPoint = floatingPoint;
-            this.type = type;
-            this.minValue = minValue;
-            this.maxValue = maxValue;
-        }
-
-        public final SortField.Type sortFieldType() {
-            return type;
-        }
-
-        public final Number minValue() {
-            return minValue;
-        }
-
-        public final Number maxValue() {
-            return maxValue;
         }
 
         public final boolean isFloatingPoint() {
             return floatingPoint;
         }
 
-        public final int requiredBits() {
-            return requiredBits;
-        }
-
-        public abstract void toIndexForm(Number number, BytesRefBuilder bytes);
-
-        public long toLong(BytesRef indexForm) {
-            return (long) toDouble(indexForm);
-        }
-
-        public double toDouble(BytesRef indexForm) {
-            return (double) toLong(indexForm);
-        }
-
-        public abstract Number toNumber(BytesRef indexForm);
-
-        public final TermsEnum wrapTermsEnum(TermsEnum termsEnum) {
-            if (requiredBits() == 1) { // boolean, no prefix-terms
-                return termsEnum;
-            } else if (requiredBits() > 32) {
-                return OrdinalsBuilder.wrapNumeric64Bit(termsEnum);
-            } else {
-                return OrdinalsBuilder.wrapNumeric32Bit(termsEnum);
-            }
-        }
     }
 
     NumericType getNumericType();