2 Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 package com.mysql.clusterj.core.query;
20 import com.mysql.clusterj.core.spi.QueryExecutionContext;
21 import com.mysql.clusterj.core.store.IndexScanOperation;
22 import com.mysql.clusterj.core.store.ScanFilter;
23 import com.mysql.clusterj.core.store.ScanOperation;
25 public class GreaterThanPredicateImpl extends ComparativePredicateImpl {
27 public GreaterThanPredicateImpl(QueryDomainTypeImpl<?> dobj,
28 PropertyImpl property, ParameterImpl param) {
29 super(dobj, property, param);
33 public void markBoundsForCandidateIndices(QueryExecutionContext context, CandidateIndexImpl[] candidateIndices) {
34 if (param.getParameterValue(context) == null) {
35 // null parameters cannot be used with indexes
38 property.markLowerBound(candidateIndices, this, true);
42 public void operationSetBounds(QueryExecutionContext context, IndexScanOperation op, boolean lastColumn) {
44 // last column may be strict
45 property.operationSetBounds(param.getParameterValue(context), IndexScanOperation.BoundType.BoundLT, op);
47 // not-last column must not be strict
48 property.operationSetBounds(param.getParameterValue(context), IndexScanOperation.BoundType.BoundLE, op);
52 /** Set the condition into the filter.
53 * @param context the query execution context with the parameter values
54 * @param op the operation
55 * @param filter the filter
58 public void filterCmpValue(QueryExecutionContext context,
59 ScanOperation op, ScanFilter filter) {
60 property.filterCmpValue(param.getParameterValue(context),
61 ScanFilter.BinaryCondition.COND_GT, filter);