Java tutorial
/* * Copyright (C) 2017 Baifendian Corporation * * Licensed 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 com.baifendian.swordfish.common.job.struct.node.impexp.reader; import com.fasterxml.jackson.annotation.JsonInclude; import java.util.List; import org.apache.commons.collections.CollectionUtils; import org.apache.commons.lang.StringUtils; /** * Hive reader */ @JsonInclude(JsonInclude.Include.NON_NULL) public class HiveReader implements Reader { private String database; private String table; private String where; private String querySql; private List<String> column; public String getDatabase() { return database; } public void setDatabase(String database) { this.database = database; } public String getTable() { return table; } public void setTable(String table) { this.table = table; } public String getWhere() { return where; } public void setWhere(String where) { this.where = where; } public String getQuerySql() { return querySql; } public void setQuerySql(String querySql) { this.querySql = querySql; } public List<String> getColumn() { return column; } public void setColumn(List<String> column) { this.column = column; } @Override public boolean checkValid() { return StringUtils.isNotEmpty(database) && (StringUtils.isNotEmpty(table) || StringUtils.isNotEmpty(querySql)) && CollectionUtils.isNotEmpty(column); } }