phoenix-core/src/main/java/org/apache/phoenix/schema/types/PInteger.java - phoenix - Git at Google

 /*
  * 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;

 public class PInteger extends PWholeNumber<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);
         }
       };
     }
   }
 }
	/*
	* 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;

	public class PInteger extends PWholeNumber<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);
	}
	};
	}
	}
	}