Mercurial > hg > release > thermostat-0.15
view storage/core/src/main/java/com/redhat/thermostat/storage/core/DataModifyingStatement.java @ 1239:cd020319d8ed
PR1524: DB write operations should return int on apply().
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-August/008021.html
author | Severin Gehwolf <sgehwolf@redhat.com> |
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date | Fri, 23 Aug 2013 17:08:35 +0200 |
parents | b015c7f31a11 |
children |
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package com.redhat.thermostat.storage.core; import com.redhat.thermostat.storage.model.Pojo; /** * Marker interface for {@link Statement}s which perform write operations on * storage. These statements usually only return success/failure responses or * more specific error codes. * */ public interface DataModifyingStatement<T extends Pojo> extends Statement<T> { /** * Default success status. The status code itself has no meaning other than * indicating success. Suitable to be returned on {@link #apply()}. */ public static final int DEFAULT_STATUS_SUCCESS = 0; /** * Default failure status. The status code itself has no meaning other than * indicating failure. Suitable to be returned on {@link #apply()}. */ public static final int DEFAULT_STATUS_FAILURE = -1; /** * Executes this statement. * * @return a number greater than or equal to zero on success. A negative * failure code otherwise. */ int apply(); }