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JDBC wrapper for the DataStax CQL Java Driver.
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/*
*
* Licensed 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 com.github.adejanovski.cassandra.jdbc;
import java.nio.ByteBuffer;
import java.sql.Types;
public class JdbcLong extends AbstractJdbcType
{
public static final JdbcLong instance = new JdbcLong();
JdbcLong()
{
}
public boolean isCaseSensitive()
{
return false;
}
public int getScale(Long obj)
{
return 0;
}
public int getPrecision(Long obj)
{
return obj.toString().length();
}
public boolean isCurrency()
{
return false;
}
public boolean isSigned()
{
return true;
}
public String toString(Long obj)
{
return obj.toString();
}
public boolean needsQuotes()
{
return false;
}
public String getString(ByteBuffer bytes)
{
if (bytes.remaining() == 0)
{
return "";
}
if (bytes.remaining() != 8)
{
throw new MarshalException("A long is exactly 8 bytes: " + bytes.remaining());
}
return String.valueOf(bytes.getLong(bytes.position()));
}
public Class getType()
{
return Long.class;
}
public int getJdbcType()
{
return Types.BIGINT;
}
public Long compose(Object obj)
{
return (Long)obj;
}
public Object decompose(Long value)
{
return (Object)value;
}
}