| /** |
| * 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.lens.driver.es; |
| |
| import org.apache.lens.driver.es.translator.ASTVisitor; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.google.common.collect.ImmutableMap; |
| import lombok.Getter; |
| |
| /** |
| * The constants used by ESDriver and es re-writers |
| */ |
| public final class ESDriverConfig { |
| public static final String CLIENT_CLASS_KEY = "lens.driver.es.client.class"; |
| public static final String MAX_ROW_SIZE_KEY = "lens.driver.es.max.row.size"; |
| public static final String TERM_FETCH_SIZE_KEY = "lens.driver.es.term.fetch.size"; |
| public static final String AGGR_BUCKET_SIZE_LENS_KEY = "lens.driver.es.aggr.bucket.size"; |
| public static final String QUERY_TIME_OUT_LENS_KEY = "lens.driver.es.query.timeout.millis"; |
| |
| public static final String AGGS = "aggs"; |
| public static final String MATCH_ALL = "match_all"; |
| public static final String TERMS = "terms"; |
| public static final String TERM = "term"; |
| public static final String FIELD = "field"; |
| public static final String FILTER = "filter"; |
| public static final String FROM = "from"; |
| public static final String RANGE = "range"; |
| public static final String FILTER_WRAPPER = "filter_wrapper"; |
| public static final String FIELDS = "fields"; |
| public static final String TERM_SORT = "sort"; |
| public static final String SIZE = "size"; |
| public static final String QUERY_TIME_OUT_STRING = "timeout"; |
| |
| public static final ImmutableMap<ASTVisitor.OrderBy, String> ORDER_BYS; |
| public static final int AGGR_TERM_FETCH_SIZE = 0; |
| public static final int DEFAULT_TERM_QUERY_OFFSET = 0; |
| private static final int DEFAULT_TERM_QUERY_LIMIT = -1; |
| private static final int AGGR_BUCKET_SIZE_DEFAULT = 10000; |
| private static final int QUERY_TIME_OUT_MS_DEFAULT = 10000; |
| |
| private static final int TERM_FETCH_SIZE_DEFAULT = 5000; |
| |
| static { |
| final ImmutableMap.Builder<ASTVisitor.OrderBy, String> orderByBuilder = ImmutableMap.builder(); |
| orderByBuilder.put(ASTVisitor.OrderBy.ASC, "asc"); |
| orderByBuilder.put(ASTVisitor.OrderBy.DESC, "desc"); |
| ORDER_BYS = orderByBuilder.build(); |
| } |
| |
| @Getter |
| private final int maxLimit; |
| @Getter |
| private final int aggrBucketSize; |
| @Getter |
| private final int queryTimeOutMs; |
| private final int termFetchSize; |
| |
| public int getTermFetchSize() { |
| return termFetchSize; |
| } |
| |
| public ESDriverConfig(Configuration conf) { |
| maxLimit = conf.getInt(MAX_ROW_SIZE_KEY, DEFAULT_TERM_QUERY_LIMIT); |
| aggrBucketSize = conf.getInt(AGGR_BUCKET_SIZE_LENS_KEY, AGGR_BUCKET_SIZE_DEFAULT); |
| queryTimeOutMs = conf.getInt(QUERY_TIME_OUT_LENS_KEY, QUERY_TIME_OUT_MS_DEFAULT); |
| termFetchSize = conf.getInt(TERM_FETCH_SIZE_KEY, TERM_FETCH_SIZE_DEFAULT); |
| } |
| |
| |
| } |