com.facebook.presto.verifier.prestoaction.PrestoAddress Maven / Gradle / Ivy

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/*
 * 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.facebook.presto.verifier.prestoaction;

import java.net.URI;
import java.util.List;
import java.util.Map;
import java.util.Optional;

import static com.google.common.base.Preconditions.checkState;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static java.lang.String.format;
import static java.util.stream.Collectors.joining;

public interface PrestoAddress
{
    List getHosts();

    int getJdbcPort();

    Optional getHttpPort();

    Map getJdbcUrlParameters();

    default List getJdbcUrls()
    {
        String query = getJdbcUrlParameters().entrySet().stream()
                .map(entry -> format("%s=%s", entry.getKey(), entry.getValue()))
                .collect(joining("&"));
        return getHosts().stream()
                .map(host -> format("jdbc:presto://%s:%s?%s", host, getJdbcPort(), query))
                .collect(toImmutableList());
    }

    default List getHttpUris(String path)
    {
        checkState(getHttpPort().isPresent(), "httpPort is not present");
        return getHosts().stream()
                .map(host -> URI.create(format("http://%s:%s", host, getHttpPort().get())).resolve(path))
                .collect(toImmutableList());
    }
}