src/main/java/net/onrc/onos/datastore/WrongVersionException.java

package net.onrc.onos.datastore;

import net.onrc.onos.datastore.utils.ByteArrayUtil;

/**
 * Exception thrown when conditional operation failed due to version mismatch.
 */
public class WrongVersionException extends RejectRulesException {
    private static final long serialVersionUID = -1644202495890190823L;

    public WrongVersionException(final String message) {
	super(message);
    }

    public WrongVersionException(final IKVTableID tableID, final byte[] key,
	    final long expectedVersion, final Throwable cause) {
	// It will be best if {@code cause} has actual version encountered, but
	// doesn't currently.
	super(ByteArrayUtil.toHexStringBuffer(key, ":") + " on table:"
	        + tableID + " was expected to be version:" + expectedVersion,
	        cause);
    }

    public WrongVersionException(final IKVTableID tableID, final byte[] key,
	    final long expectedVersion, final long encounteredVersion) {
	super(ByteArrayUtil.toHexStringBuffer(key, ":") + " on table:"
	        + tableID + " was expected to be version:" + expectedVersion
	        + " but found:" + encounteredVersion);
    }

}