| /** |
| * 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 |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * 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.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.query; |
| |
| import java.util.List; |
| |
| import org.apache.commons.lang.NotImplementedException; |
| import org.apache.hadoop.metrics2.sink.timeline.Precision; |
| |
| /** |
| * Encapsulate a Condition with pre-formatted and pre-parsed query string. |
| */ |
| public class EmptyCondition implements Condition { |
| String statement; |
| boolean doUpdate = false; |
| boolean metricNamesNotCondition = false; |
| |
| @Override |
| public boolean isEmpty() { |
| return false; |
| } |
| |
| @Override |
| public List<byte[]> getUuids() { |
| return null; |
| } |
| |
| @Override |
| public List<String> getMetricNames() { |
| return null; |
| } |
| |
| @Override |
| public boolean isPointInTime() { |
| return false; |
| } |
| |
| @Override |
| public boolean isGrouped() { |
| return true; |
| } |
| |
| @Override |
| public void setStatement(String statement) { |
| this.statement = statement; |
| } |
| |
| @Override |
| public List<String> getHostnames() { |
| return null; |
| } |
| |
| @Override |
| public Precision getPrecision() { |
| return null; |
| } |
| |
| @Override |
| public void setPrecision(Precision precision) { |
| |
| } |
| |
| @Override |
| public String getAppId() { |
| return null; |
| } |
| |
| @Override |
| public String getInstanceId() { |
| return null; |
| } |
| |
| @Override |
| public StringBuilder getConditionClause() { |
| return null; |
| } |
| |
| @Override |
| public String getOrderByClause(boolean asc) { |
| return null; |
| } |
| |
| @Override |
| public String getStatement() { |
| return statement; |
| } |
| |
| @Override |
| public Long getStartTime() { |
| return null; |
| } |
| |
| @Override |
| public Long getEndTime() { |
| return null; |
| } |
| |
| @Override |
| public Integer getLimit() { |
| return null; |
| } |
| |
| @Override |
| public Integer getFetchSize() { |
| return null; |
| } |
| |
| @Override |
| public void setFetchSize(Integer fetchSize) { |
| |
| } |
| |
| @Override |
| public void addOrderByColumn(String column) { |
| |
| } |
| |
| @Override |
| public void setNoLimit() { |
| |
| } |
| |
| public void setDoUpdate(boolean doUpdate) { |
| this.doUpdate = doUpdate; |
| } |
| |
| @Override |
| public boolean doUpdate() { |
| return doUpdate; |
| } |
| |
| @Override |
| public String toString() { |
| return "EmptyCondition{ " + |
| " statement = " + this.getStatement() + |
| " doUpdate = " + this.doUpdate() + |
| " }"; |
| } |
| |
| @Override |
| public void setMetricNamesNotCondition(boolean metricNamesNotCondition) { |
| this.metricNamesNotCondition = metricNamesNotCondition; |
| } |
| |
| @Override |
| public void setHostnamesNotCondition(boolean hostNamesNotCondition) { |
| throw new NotImplementedException("Not implemented"); |
| } |
| |
| @Override |
| public void setUuidNotCondition(boolean uuidNotCondition) { |
| throw new NotImplementedException("Not implemented"); |
| } |
| } |