package org.apache.cassandra.db.marshal;
/*
*
* 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.
*
*/
import java.nio.ByteBuffer;
import java.sql.Types;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.FBUtilities;
public class BytesType extends AbstractType<ByteBuffer>
{
public static final BytesType instance = new BytesType();
BytesType() {} // singleton
public ByteBuffer compose(ByteBuffer bytes)
{
return bytes.duplicate();
}
public ByteBuffer decompose(ByteBuffer value)
{
return value;
}
public int compare(ByteBuffer o1, ByteBuffer o2)
{
return BytesType.bytesCompare(o1, o2);
}
public static int bytesCompare(ByteBuffer o1, ByteBuffer o2)
{
if(null == o1){
if(null == o2) return 0;
else return -1;
}
return ByteBufferUtil.compareUnsigned(o1, o2);
}
public String getString(ByteBuffer bytes)
{
return ByteBufferUtil.bytesToHex(bytes);
}
public String toString(ByteBuffer byteBuffer)
{
return getString(byteBuffer);
}
public ByteBuffer fromString(String source)
{
try
{
return ByteBuffer.wrap(FBUtilities.hexToBytes(source));
}
catch (NumberFormatException e)
{
throw new MarshalException(String.format("cannot parse '%s' as hex bytes", source), e);
}
}
public void validate(ByteBuffer bytes) throws MarshalException
{
// all bytes are legal.
}
public Class<ByteBuffer> getType()
{
return ByteBuffer.class;
}
public boolean isSigned()
{
return false;
}
public boolean isCaseSensitive()
{
return false;
}
public boolean isCurrency()
{
return false;
}
public int getPrecision(ByteBuffer obj)
{
return -1;
}
public int getScale(ByteBuffer obj)
{
return -1;
}
public int getJdbcType()
{
return Types.BINARY;
}
public boolean needsQuotes()
{
return true;
}
}