org.trustedanalytics.datasetpublisher.boundary.HiveController.java Source code

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Here is the source code for org.trustedanalytics.datasetpublisher.boundary.HiveController.java

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/**
 * Copyright (c) 2015 Intel 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 org.trustedanalytics.datasetpublisher.boundary;

import static org.springframework.http.HttpStatus.BAD_REQUEST;
import static org.springframework.http.HttpStatus.CREATED;
import static org.springframework.http.HttpStatus.OK;
import static org.springframework.web.bind.annotation.RequestMethod.DELETE;
import static org.springframework.web.bind.annotation.RequestMethod.POST;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import org.trustedanalytics.datasetpublisher.Config;
import org.trustedanalytics.datasetpublisher.entity.HiveTable;
import org.trustedanalytics.datasetpublisher.service.HiveService;
import org.trustedanalytics.hadoop.config.client.oauth.JwtToken;

import java.util.function.Function;

import io.swagger.annotations.ApiOperation;

@RestController
public class HiveController {

    @Autowired
    private Config.Hue hue;

    @Autowired
    private Config.Arcadia arcadia;

    @Autowired
    private HiveService hiveService;

    @Autowired
    private Function<Metadata, HiveTable> metadataMapper;

    @Autowired
    private JwtToken userIdentity;

    @ApiOperation(value = "Create Hive table", notes = "Privilege level: Consumer of this endpoint must be a member of specified organization")
    @RequestMapping(value = "/rest/tables", method = POST)
    @ResponseStatus(value = CREATED)
    public CreateTableResponse createTable(@RequestBody Metadata metadata) {
        final HiveTable table = metadataMapper.apply(metadata);
        hiveService.createTable(table, userIdentity);

        final String hueUrl = hue.isAvailable()
                ? String.join("/", hue.getUrl(), table.databaseName, table.tableName)
                : null;
        final String arcadiaUrl = arcadia.isAvailable() ? arcadia.getUrl() : null;
        return new CreateTableResponse(hueUrl, arcadiaUrl);
    }

    @ApiOperation(value = "Drop Hive table", notes = "Privilege level: Consumer of this endpoint must be a member of specified organization")
    @RequestMapping(value = "/rest/tables", method = DELETE)
    @ResponseStatus(value = OK)
    public void dropTable(@RequestBody Metadata metadata) {
        hiveService.dropTable(metadataMapper.apply(metadata), userIdentity);
    }

    @ExceptionHandler({ IllegalArgumentException.class, IllegalStateException.class })
    @ResponseStatus(value = BAD_REQUEST)
    public String badRequestExceptionHandler(RuntimeException e) {
        return e.getMessage();
    }

    public static final class Builder {

        private Config.Hue hueConfig;

        private Config.Arcadia arcadiaConfig;

        private Function<Metadata, HiveTable> metadataMapper;

        private HiveService hiveService;

        private JwtToken userIdentity;

        private Builder() {
        }

        public static Builder create() {
            return new Builder();
        }

        public Builder withHue(Config.Hue config) {
            this.hueConfig = config;
            return this;
        }

        public Builder withArcadia(Config.Arcadia config) {
            this.arcadiaConfig = config;
            return this;
        }

        public Builder withMetadataMapper(Function<Metadata, HiveTable> mapper) {
            this.metadataMapper = mapper;
            return this;
        }

        public Builder withHive(HiveService hiveService) {
            this.hiveService = hiveService;
            return this;
        }

        public Builder asWho(JwtToken userIdentity) {
            this.userIdentity = userIdentity;
            return this;
        }

        public HiveController build() {
            HiveController controller = new HiveController();
            controller.hue = this.hueConfig;
            controller.hiveService = this.hiveService;
            controller.arcadia = this.arcadiaConfig;
            controller.userIdentity = this.userIdentity;
            controller.metadataMapper = this.metadataMapper;
            return controller;
        }
    }
}