| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ambari.metrics.core.timeline.query; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.commons.lang.StringUtils; |
| |
| public class MetadataQueryCondition extends TransientMetricCondition { |
| |
| private boolean isMetricMetadataCondition = true; |
| |
| public MetadataQueryCondition(List<String> metricNames, String appId, String instanceId) { |
| super(metricNames, Collections.EMPTY_LIST, appId, instanceId, null, null, null , null, true, null); |
| this.hostnames = Collections.EMPTY_LIST; |
| } |
| |
| public MetadataQueryCondition(List<String> hostnames) { |
| super(Collections.EMPTY_LIST, hostnames, StringUtils.EMPTY, StringUtils.EMPTY, null, null, null , null, true, null); |
| isMetricMetadataCondition = false; |
| } |
| |
| public StringBuilder getConditionClause() { |
| StringBuilder sb = new StringBuilder(); |
| |
| boolean appendConjunction = false; |
| if (CollectionUtils.isNotEmpty(metricNames)) { |
| appendConjunction = appendMetricNameClause(sb); |
| } |
| |
| if (CollectionUtils.isNotEmpty(hostnames)) { |
| appendConjunction = appendHostnameClause(sb, appendConjunction); |
| } |
| |
| String appId = getAppId(); |
| if (StringUtils.isNotEmpty(appId)) { |
| if (appId.contains("%")) { |
| appendConjunction = append(sb, appendConjunction, appId, " APP_ID LIKE ?"); |
| } else { |
| appendConjunction = append(sb, appendConjunction, appId, " APP_ID = ?"); |
| } |
| } |
| |
| String instanceId = getInstanceId(); |
| if (StringUtils.isNotEmpty(instanceId)) { |
| if (instanceId.contains("%")) { |
| appendConjunction = append(sb, appendConjunction, instanceId, " INSTANCE_ID LIKE ?"); |
| } else { |
| appendConjunction = append(sb, appendConjunction, instanceId, " INSTANCE_ID = ?"); |
| } |
| } |
| |
| return sb; |
| } |
| |
| public boolean isMetricMetadataCondition() { |
| return isMetricMetadataCondition; |
| } |
| } |