org.springframework.data.aerospike.query.cache.InternalIndexOperations Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of spring-data-aerospike Show documentation

There is a newer version: 4.8.0

Show newest version

/*
 * Copyright 2020 the original author or authors.
 *
 * 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
 *
 *	  https://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.springframework.data.aerospike.query.cache;

import org.springframework.data.aerospike.query.model.Index;
import org.springframework.data.aerospike.query.model.IndexKey;
import org.springframework.data.aerospike.query.model.IndexesInfo;

import java.util.Arrays;
import java.util.Collections;

import static java.util.stream.Collectors.collectingAndThen;
import static java.util.stream.Collectors.toMap;

/**
 * Internal index related operations used by ReactorIndexRefresher and IndexRefresher.
 *
 * @author Sergii Karpenko
 */
public class InternalIndexOperations {

    // Base64 will return index context as a base64 response
    private static final String SINDEX_WITH_BASE64 = "sindex-list:;b64=true";

    private final IndexInfoParser indexInfoParser;

    public InternalIndexOperations(IndexInfoParser indexInfoParser) {
        this.indexInfoParser = indexInfoParser;
    }

    private static IndexKey getIndexKey(Index index) {
        return new IndexKey(index.getNamespace(), index.getSet(), index.getBin(), index.getType(),
            index.getCollectionType());
    }

    public IndexesInfo parseIndexesInfo(String infoResponse) {
        if (infoResponse.isEmpty()) {
            return IndexesInfo.empty();
        }
        return IndexesInfo.of(Arrays.stream(infoResponse.split(";"))
            .map(indexInfoParser::parse)
            .collect(collectingAndThen(
                toMap(InternalIndexOperations::getIndexKey, index -> index),
                Collections::unmodifiableMap)));
    }

    public String buildGetIndexesCommand() {
        return SINDEX_WITH_BASE64;
    }
}