HMSResource.java

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// to you under the Apache License, Version 2.0 (the
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//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.catalog;

import org.apache.doris.common.DdlException;
import org.apache.doris.common.proc.BaseProcResult;
import org.apache.doris.datasource.property.PropertyConverter;
import org.apache.doris.datasource.property.constants.HMSProperties;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.gson.annotations.SerializedName;

import java.util.Map;

/**
 * HMS resource
 * <p>
 * Syntax:
 * CREATE RESOURCE "hive"
 * PROPERTIES
 * (
 * "type" = "hms",
 * "hive.metastore.uris" = "thrift://172.21.0.44:7004"
 * );
 */
public class HMSResource extends Resource {

    @SerializedName(value = "properties")
    private Map<String, String> properties;

    public HMSResource() {
        super();
    }

    public HMSResource(String name) {
        super(name, ResourceType.HMS);
        this.properties = Maps.newHashMap();
    }

    @Override
    public void modifyProperties(Map<String, String> properties) throws DdlException {
        for (Map.Entry<String, String> kv : properties.entrySet()) {
            replaceIfEffectiveValue(this.properties, kv.getKey(), kv.getValue());
        }
        this.properties = PropertyConverter.convertToMetaProperties(this.properties);
        super.modifyProperties(this.properties);
    }

    @Override
    protected void setProperties(ImmutableMap<String, String> properties) throws DdlException {
        for (String field : HMSProperties.REQUIRED_FIELDS) {
            if (!properties.containsKey(field)) {
                throw new DdlException("Missing [" + field + "] in properties.");
            }
        }
        this.properties.putAll(properties);
        this.properties = PropertyConverter.convertToMetaProperties(this.properties);
    }

    @Override
    public Map<String, String> getCopiedProperties() {
        return Maps.newHashMap(properties);
    }

    @Override
    protected void getProcNodeData(BaseProcResult result) {
        String lowerCaseType = type.name().toLowerCase();
        for (Map.Entry<String, String> entry : properties.entrySet()) {
            result.addRow(Lists.newArrayList(name, lowerCaseType, entry.getKey(), entry.getValue()));
        }
    }
}