39 lines
1.4 KiB
Java
39 lines
1.4 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package monasca.api.infrastructure.persistence;
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import java.util.Map;
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/**
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* Utilities for building sub alarm queries.
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*/
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public final class SubAlarmQueries {
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private SubAlarmQueries() {}
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public static String buildJoinClauseFor(Map<String, String> dimensions) {
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StringBuilder sbJoin = null;
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if (dimensions != null) {
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sbJoin = new StringBuilder();
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for (int i = 0; i < dimensions.size(); i++) {
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sbJoin.append(" inner join sub_alarm_dimension d").append(i).append(" on d").append(i)
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.append(".dimension_name = :dname").append(i).append(" and d").append(i)
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.append("" + ".value = :dvalue").append(i).append(" and dim.sub_alarm_id = d")
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.append(i).append(".sub_alarm_id");
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}
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}
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return sbJoin == null ? "" : sbJoin.toString();
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}
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}
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