Examples with MutableEntry javax.cache.processor.MutableEntry used on opensource projects

Example 16 with MutableEntry

use of javax.cache.processor.MutableEntry in project ignite by apache.

the class DmlUtils method doDelete.

/**
 * Perform DELETE operation on top of results of SELECT.
 *
 * @param cctx Cache context.
 * @param cursor SELECT results.
 * @param pageSize Batch size for streaming, anything <= 0 for single page operations.
 * @return Results of DELETE (number of items affected AND keys that failed to be updated).
 */
private static UpdateResult doDelete(GridCacheContext cctx, Iterable<List<?>> cursor, int pageSize) throws IgniteCheckedException {
    DmlBatchSender sender = new DmlBatchSender(cctx, pageSize, 1);
    for (List<?> row : cursor) {
        if (row.size() != 2)
            continue;
        Object key = row.get(0);
        ClusterNode node = sender.primaryNodeByKey(key);
        IgniteInClosure<MutableEntry<Object, Object>> rmvC = DmlStatementsProcessor.getRemoveClosure(node, key);
        sender.add(key, new DmlStatementsProcessor.ModifyingEntryProcessor(row.get(1), rmvC), 0);
    }
    sender.flush();
    SQLException resEx = sender.error();
    if (resEx != null) {
        if (!F.isEmpty(sender.failedKeys())) {
            // Don't go for a re-run if processing of some keys yielded exceptions and report keys that
            // had been modified concurrently right away.
            String msg = "Failed to DELETE some keys because they had been modified concurrently " + "[keys=" + sender.failedKeys() + ']';
            SQLException conEx = createJdbcSqlException(msg, IgniteQueryErrorCode.CONCURRENT_UPDATE);
            conEx.setNextException(resEx);
            resEx = conEx;
        }
        throw new IgniteSQLException(resEx);
    }
    return new UpdateResult(sender.updateCount(), sender.failedKeys().toArray(), cursor instanceof QueryCursorImpl ? ((QueryCursorImpl) cursor).partitionResult() : null);
}

Example 17 with MutableEntry

use of javax.cache.processor.MutableEntry in project ignite by apache.

the class DmlStatementsProcessorTest method checkRemoveEntryClassName.

/**
 * Checks remove-closure class name.
 *
 * @param ver The version of the remote node.
 * @param expClsName Expected class name.
 */
private void checkRemoveEntryClassName(final String ver, String expClsName) {
    ClusterNode node = new GridTestNode() {

        @Override
        public IgniteProductVersion version() {
            return IgniteProductVersion.fromString(ver);
        }
    };
    IgniteInClosure<MutableEntry<Object, Object>> rmvC = DmlStatementsProcessor.getRemoveClosure(node, 0);
    Assert.assertNotNull("Check remove-closure", rmvC);
    Assert.assertEquals("Check remove-closure class name for version " + ver, expClsName, rmvC.getClass().getName());
}