| /* |
| * 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. |
| */ |
| package org.apache.phoenix.schema.types; |
| |
| import java.math.BigDecimal; |
| import java.sql.Types; |
| |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.phoenix.schema.SortOrder; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.primitives.Doubles; |
| |
| public class PDouble extends PRealNumber<Double> { |
| public static final PDouble INSTANCE = new PDouble(); |
| |
| private PDouble() { |
| super("DOUBLE", Types.DOUBLE, Double.class, new DoubleCodec(), 7); |
| } |
| |
| @Override |
| public int compareTo(Object lhs, Object rhs, PDataType rhsType) { |
| if (rhsType == PDecimal.INSTANCE) { |
| return -((BigDecimal) rhs).compareTo(BigDecimal.valueOf(((Number) lhs).doubleValue())); |
| } |
| return Doubles.compare(((Number) lhs).doubleValue(), ((Number) rhs).doubleValue()); |
| } |
| |
| @Override |
| public boolean isFixedWidth() { |
| return true; |
| } |
| |
| @Override |
| public Integer getByteSize() { |
| return Bytes.SIZEOF_DOUBLE; |
| } |
| |
| @Override |
| public Integer getScale(Object o) { |
| if (o == null) { |
| return null; |
| } |
| Double v = (Double) o; |
| BigDecimal bd = BigDecimal.valueOf(v); |
| return bd.scale() == 0 ? null : bd.scale(); |
| } |
| |
| @Override |
| public Integer getMaxLength(Object o) { |
| if (o == null) { |
| return null; |
| } |
| Double v = (Double) o; |
| BigDecimal db = BigDecimal.valueOf(v); |
| return db.precision(); |
| } |
| |
| @Override |
| public byte[] toBytes(Object object) { |
| byte[] b = new byte[Bytes.SIZEOF_DOUBLE]; |
| toBytes(object, b, 0); |
| return b; |
| } |
| |
| @Override |
| public int toBytes(Object object, byte[] bytes, int offset) { |
| if (object == null) { |
| throw newIllegalDataException(this + " may not be null"); |
| } |
| return this.getCodec().encodeDouble(((Number) object).doubleValue(), |
| bytes, offset); |
| } |
| |
| @Override |
| public Object toObject(String value) { |
| if (value == null || value.length() == 0) { |
| return null; |
| } |
| try { |
| return Double.parseDouble(value); |
| } catch (NumberFormatException e) { |
| throw newIllegalDataException(e); |
| } |
| } |
| |
| @Override |
| public Object toObject(Object object, PDataType actualType) { |
| if (object == null) { |
| return null; |
| } |
| double de; |
| if (equalsAny(actualType, PDouble.INSTANCE, PUnsignedDouble.INSTANCE)) { |
| return object; |
| } else if (equalsAny(actualType, PFloat.INSTANCE, PUnsignedFloat.INSTANCE)) { |
| de = (Float) object; |
| return de; |
| } else if (equalsAny(actualType, PLong.INSTANCE, PUnsignedLong.INSTANCE)) { |
| de = (Long) object; |
| return de; |
| } else if (equalsAny(actualType, PInteger.INSTANCE, PUnsignedInt.INSTANCE)) { |
| de = (Integer) object; |
| return de; |
| } else if (equalsAny(actualType, PTinyint.INSTANCE, PUnsignedTinyint.INSTANCE)) { |
| de = (Byte) object; |
| return de; |
| } else if (equalsAny(actualType, PSmallint.INSTANCE, PUnsignedSmallint.INSTANCE)) { |
| de = (Short) object; |
| return de; |
| } else if (actualType == PDecimal.INSTANCE) { |
| BigDecimal d = (BigDecimal) object; |
| return d.doubleValue(); |
| } |
| return throwConstraintViolationException(actualType, this); |
| } |
| |
| @Override |
| public Double toObject(byte[] b, int o, int l, PDataType actualType, |
| SortOrder sortOrder, Integer maxLength, Integer scale) { |
| if (l <= 0) { |
| return null; |
| } |
| if (equalsAny(actualType, PDouble.INSTANCE, PUnsignedDouble.INSTANCE, PFloat.INSTANCE, |
| PUnsignedFloat.INSTANCE, PLong.INSTANCE, PUnsignedLong.INSTANCE, PInteger.INSTANCE, |
| PUnsignedInt.INSTANCE, PSmallint.INSTANCE, PUnsignedSmallint.INSTANCE, PTinyint.INSTANCE, |
| PUnsignedTinyint.INSTANCE)) { |
| return actualType.getCodec().decodeDouble(b, o, sortOrder); |
| } else if (actualType == PDecimal.INSTANCE) { |
| BigDecimal bd = (BigDecimal) actualType.toObject(b, o, l, actualType, sortOrder); |
| return bd.doubleValue(); |
| } |
| throwConstraintViolationException(actualType, this); |
| return null; |
| } |
| |
| @Override |
| public boolean isCoercibleTo(PDataType targetType, Object value) { |
| if (value != null) { |
| double d = (Double) value; |
| if (targetType.equals(PUnsignedDouble.INSTANCE)) { |
| return d >= 0; |
| } else if (targetType.equals(PFloat.INSTANCE)) { |
| return Double.isNaN(d) |
| || d == Double.POSITIVE_INFINITY |
| || d == Double.NEGATIVE_INFINITY |
| || (d >= -Float.MAX_VALUE && d <= Float.MAX_VALUE); |
| } else if (targetType.equals(PUnsignedFloat.INSTANCE)) { |
| return Double.isNaN(d) || d == Double.POSITIVE_INFINITY |
| || (d >= 0 && d <= Float.MAX_VALUE); |
| } else if (targetType.equals(PUnsignedLong.INSTANCE)) { |
| return (d >= 0 && d <= Long.MAX_VALUE); |
| } else if (targetType.equals(PLong.INSTANCE)) { |
| return (d >= Long.MIN_VALUE && d <= Long.MAX_VALUE); |
| } else if (targetType.equals(PUnsignedInt.INSTANCE)) { |
| return (d >= 0 && d <= Integer.MAX_VALUE); |
| } else if (targetType.equals(PInteger.INSTANCE)) { |
| return (d >= Integer.MIN_VALUE && d <= Integer.MAX_VALUE); |
| } else if (targetType.equals(PUnsignedSmallint.INSTANCE)) { |
| return (d >= 0 && d <= Short.MAX_VALUE); |
| } else if (targetType.equals(PSmallint.INSTANCE)) { |
| return (d >= Short.MIN_VALUE && d <= Short.MAX_VALUE); |
| } else if (targetType.equals(PTinyint.INSTANCE)) { |
| return (d >= Byte.MIN_VALUE && d <= Byte.MAX_VALUE); |
| } else if (targetType.equals(PUnsignedTinyint.INSTANCE)) { |
| return (d >= 0 && d <= Byte.MAX_VALUE); |
| } |
| } |
| return super.isCoercibleTo(targetType, value); |
| } |
| |
| @Override |
| public boolean isCoercibleTo(PDataType targetType) { |
| return equalsAny(targetType, this, PDecimal.INSTANCE, PVarbinary.INSTANCE, PBinary.INSTANCE); |
| } |
| |
| @Override |
| public Object getSampleValue(Integer maxLength, Integer arrayLength) { |
| return RANDOM.get().nextDouble(); |
| } |
| |
| static class DoubleCodec extends BaseCodec { |
| |
| @Override |
| public long decodeLong(byte[] b, int o, SortOrder sortOrder) { |
| double v = decodeDouble(b, o, sortOrder); |
| if (v < Long.MIN_VALUE || v > Long.MAX_VALUE) { |
| throw newIllegalDataException( |
| "Value " + v + " cannot be cast to Long without changing its value"); |
| } |
| return (long) v; |
| } |
| |
| @Override |
| public int decodeInt(byte[] b, int o, SortOrder sortOrder) { |
| double v = decodeDouble(b, o, sortOrder); |
| if (v < Integer.MIN_VALUE || v > Integer.MAX_VALUE) { |
| throw newIllegalDataException( |
| "Value " + v + " cannot be cast to Integer without changing its value"); |
| } |
| return (int) v; |
| } |
| |
| @Override |
| public byte decodeByte(byte[] b, int o, SortOrder sortOrder) { |
| double v = decodeDouble(b, o, sortOrder); |
| if (v < Byte.MIN_VALUE || v > Byte.MAX_VALUE) { |
| throw newIllegalDataException( |
| "Value " + v + " cannot be cast to Byte without changing its value"); |
| } |
| return (byte) v; |
| } |
| |
| @Override |
| public short decodeShort(byte[] b, int o, SortOrder sortOrder) { |
| double v = decodeDouble(b, o, sortOrder); |
| if (v < Short.MIN_VALUE || v > Short.MAX_VALUE) { |
| throw newIllegalDataException( |
| "Value " + v + " cannot be cast to Short without changing its value"); |
| } |
| return (short) v; |
| } |
| |
| @Override |
| public double decodeDouble(byte[] bytes, int o, SortOrder sortOrder) { |
| Preconditions.checkNotNull(sortOrder); |
| checkForSufficientLength(bytes, o, Bytes.SIZEOF_LONG); |
| long l; |
| if (sortOrder == SortOrder.DESC) { |
| // Copied from Bytes.toLong(), but without using the toLongUnsafe |
| // TODO: would it be possible to use the toLongUnsafe? |
| l = 0; |
| for(int i = o; i < o + Bytes.SIZEOF_LONG; i++) { |
| l <<= 8; |
| l ^= (bytes[i] ^ 0xff) & 0xFF; |
| } |
| } else { |
| l = Bytes.toLong(bytes, o); |
| } |
| l--; |
| l ^= (~l >> Long.SIZE - 1) | Long.MIN_VALUE; |
| return Double.longBitsToDouble(l); |
| } |
| |
| @Override |
| public float decodeFloat(byte[] b, int o, SortOrder sortOrder) { |
| double v = decodeDouble(b, o, sortOrder); |
| if (Double.isNaN(v) || v == Double.NEGATIVE_INFINITY |
| || v == Double.POSITIVE_INFINITY |
| || (v >= -Float.MAX_VALUE && v <= Float.MAX_VALUE)) { |
| return (float) v; |
| } else { |
| throw newIllegalDataException( |
| "Value " + v + " cannot be cast to Float without changing its value"); |
| } |
| |
| } |
| |
| @Override |
| public int encodeShort(short v, byte[] b, int o) { |
| return encodeDouble(v, b, o); |
| } |
| |
| @Override |
| public int encodeLong(long v, byte[] b, int o) { |
| return encodeDouble(v, b, o); |
| } |
| |
| @Override |
| public int encodeInt(int v, byte[] b, int o) { |
| return encodeDouble(v, b, o); |
| } |
| |
| @Override |
| public int encodeByte(byte v, byte[] b, int o) { |
| return encodeDouble(v, b, o); |
| } |
| |
| @Override |
| public int encodeDouble(double v, byte[] b, int o) { |
| checkForSufficientLength(b, o, Bytes.SIZEOF_LONG); |
| long l = Double.doubleToLongBits(v); |
| l = (l ^ ((l >> Long.SIZE - 1) | Long.MIN_VALUE)) + 1; |
| Bytes.putLong(b, o, l); |
| return Bytes.SIZEOF_LONG; |
| } |
| |
| @Override |
| public int encodeFloat(float v, byte[] b, int o) { |
| return encodeDouble(v, b, o); |
| } |
| |
| @Override |
| public PhoenixArrayFactory getPhoenixArrayFactory() { |
| return new PhoenixArrayFactory() { |
| @Override |
| public PhoenixArray newArray(PDataType type, Object[] elements) { |
| return new PhoenixArray.PrimitiveDoublePhoenixArray(type, elements); |
| } |
| }; |
| } |
| } |
| } |