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Convert mmap assertion to if/throw 

patch by jbellis; reviewed by slebresne for CASSANDRA-2417


git-svn-id: https://svn.apache.org/repos/asf/cassandra/branches/cassandra-0.7@1089139 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sylvain Lebresne 2011-04-05 17:27:01 +00:00
parent ee1bb5aa95
commit bdba69ff8d
1 changed files with 3 additions and 3 deletions
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6
src/java/org/apache/cassandra/io/util/MappedFileDataInput.java
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@ -114,9 +114,9 @@ public class MappedFileDataInput extends AbstractDataInput implements FileDataIn
public synchronized ByteBuffer readBytes(int length) throws IOException
{
int remaining = buffer.remaining() - position;
assert length <= remaining
: String.format("mmap segment underflow; remaining is %d but %d requested", remaining, length);
if (length > remaining)
throw new IOException(String.format("mmap segment underflow; remaining is %d but %d requested",
remaining, length));
ByteBuffer bytes = buffer.duplicate();
bytes.position(buffer.position() + position).limit(buffer.position() + position + length);