/* * 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 com.google.common.base.Preconditions; import org.apache.hadoop.hbase.util.Bytes; import org.apache.phoenix.schema.SortOrder; import java.math.BigDecimal; import java.sql.Types; public class PInteger extends PDataType<Integer> { public static final PInteger INSTANCE = new PInteger(); private PInteger() { super("INTEGER", Types.INTEGER, Integer.class, new IntCodec(), 3); } @Override public Integer getScale(Object o) { return ZERO; } @Override public byte[] toBytes(Object object) { byte[] b = new byte[Bytes.SIZEOF_INT]; toBytes(object, b, 0); return b; } @Override public int toBytes(Object object, byte[] b, int o) { if (object == null) { throw newIllegalDataException(this + " may not be null"); } return this.getCodec().encodeInt(((Number) object).intValue(), b, o); } @Override public Object toObject(Object object, PDataType actualType) { Object o = PLong.INSTANCE.toObject(object, actualType); if (!(o instanceof Long) || o == null) { return o; } long l = (Long) o; if (l < Integer.MIN_VALUE || l > Integer.MAX_VALUE) { throw newIllegalDataException( actualType + " value " + l + " cannot be cast to Integer without changing its value"); } int v = (int) l; return v; } @Override public Integer toObject(byte[] b, int o, int l, PDataType actualType, SortOrder sortOrder, Integer maxLength, Integer scale) { if (l == 0) { return null; } if (equalsAny(actualType, PLong.INSTANCE, PUnsignedLong.INSTANCE, PInteger.INSTANCE, PUnsignedInt.INSTANCE, PSmallint.INSTANCE, PUnsignedSmallint.INSTANCE, PTinyint.INSTANCE, PUnsignedTinyint.INSTANCE, PFloat.INSTANCE, PUnsignedFloat.INSTANCE, PDouble.INSTANCE, PUnsignedDouble.INSTANCE)) { return actualType.getCodec().decodeInt(b, o, sortOrder); } else if (actualType == PDecimal.INSTANCE) { BigDecimal bd = (BigDecimal) actualType.toObject(b, o, l, actualType, sortOrder); return bd.intValueExact(); } throwConstraintViolationException(actualType, this); return null; } @Override public boolean isCoercibleTo(PDataType targetType, Object value) { if (value != null) { int i; if (equalsAny(targetType, PUnsignedDouble.INSTANCE, PUnsignedFloat.INSTANCE, PUnsignedLong.INSTANCE, PUnsignedInt.INSTANCE)) { i = (Integer) value; return i >= 0; } else if (targetType.equals(PUnsignedSmallint.INSTANCE)) { i = (Integer) value; return (i >= 0 && i <= Short.MAX_VALUE); } else if (targetType.equals(PSmallint.INSTANCE)) { i = (Integer) value; return (i >= Short.MIN_VALUE && i <= Short.MAX_VALUE); } else if (targetType.equals(PTinyint.INSTANCE)) { i = (Integer) value; return (i >= Byte.MIN_VALUE && i <= Byte.MAX_VALUE); } else if (targetType.equals(PUnsignedTinyint.INSTANCE)) { i = (Integer) value; return (i >= 0 && i < Byte.MAX_VALUE); } } return super.isCoercibleTo(targetType, value); } @Override public boolean isCoercibleTo(PDataType targetType) { return equalsAny(targetType, this, PFloat.INSTANCE) || PLong.INSTANCE.isCoercibleTo(targetType); } @Override public boolean isFixedWidth() { return true; } @Override public Integer getByteSize() { return Bytes.SIZEOF_INT; } @Override public Integer getMaxLength(Object o) { return INT_PRECISION; } @Override public int compareTo(Object lhs, Object rhs, PDataType rhsType) { return PLong.INSTANCE.compareTo(lhs, rhs, rhsType); } @Override public boolean isComparableTo(PDataType targetType) { return PDecimal.INSTANCE.isComparableTo(targetType); } @Override public Object toObject(String value) { if (value == null || value.length() == 0) { return null; } try { return Integer.parseInt(value); } catch (NumberFormatException e) { throw newIllegalDataException(e); } } @Override public Object getSampleValue(Integer maxLength, Integer arrayLength) { return RANDOM.get().nextInt(); } static class IntCodec extends BaseCodec { @Override public long decodeLong(byte[] b, int o, SortOrder sortOrder) { return decodeInt(b, o, sortOrder); } @Override public float decodeFloat(byte[] b, int o, SortOrder sortOrder) { return decodeInt(b, o, sortOrder); } @Override public double decodeDouble(byte[] b, int o, SortOrder sortOrder) { return decodeInt(b, o, sortOrder); } @Override public int decodeInt(byte[] bytes, int o, SortOrder sortOrder) { Preconditions.checkNotNull(sortOrder); checkForSufficientLength(bytes, o, Bytes.SIZEOF_INT); int v; if (sortOrder == SortOrder.ASC) { v = bytes[o] ^ 0x80; // Flip sign bit back for (int i = 1; i < Bytes.SIZEOF_INT; i++) { v = (v << 8) + (bytes[o + i] & 0xff); } } else { v = bytes[o] ^ 0xff ^ 0x80; // Flip sign bit back for (int i = 1; i < Bytes.SIZEOF_INT; i++) { v = (v << 8) + ((bytes[o + i] ^ 0xff) & 0xff); } } return v; } @Override public int encodeInt(int v, byte[] b, int o) { checkForSufficientLength(b, o, Bytes.SIZEOF_INT); b[o + 0] = (byte) ((v >> 24) ^ 0x80); // Flip sign bit so that INTEGER is binary comparable b[o + 1] = (byte) (v >> 16); b[o + 2] = (byte) (v >> 8); b[o + 3] = (byte) v; return Bytes.SIZEOF_INT; } @Override public int encodeFloat(float v, byte[] b, int o) { if (v < Integer.MIN_VALUE || v > Integer.MAX_VALUE) { throw newIllegalDataException( "Value " + v + " cannot be encoded as an Integer without changing its value"); } return encodeInt((int) v, b, o); } @Override public int encodeDouble(double v, byte[] b, int o) { if (v < Integer.MIN_VALUE || v > Integer.MAX_VALUE) { throw newIllegalDataException( "Value " + v + " cannot be encoded as an Integer without changing its value"); } return encodeInt((int) v, b, o); } @Override public int encodeLong(long v, byte[] b, int o) { if (v < Integer.MIN_VALUE || v > Integer.MAX_VALUE) { throw newIllegalDataException( "Value " + v + " cannot be encoded as an Integer without changing its value"); } return encodeInt((int) v, b, o); } @Override public byte decodeByte(byte[] b, int o, SortOrder sortOrder) { int v = decodeInt(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) { int v = decodeInt(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 int encodeByte(byte v, byte[] b, int o) { return encodeInt(v, b, o); } @Override public int encodeShort(short v, byte[] b, int o) { return encodeInt(v, b, o); } @Override public PhoenixArrayFactory getPhoenixArrayFactory() { return new PhoenixArrayFactory() { @Override public PhoenixArray newArray(PDataType type, Object[] elements) { return new PhoenixArray.PrimitiveIntPhoenixArray(type, elements); } }; } } }