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• DefaultStringRedisConnection.java

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org.springframework.data.redis.connection.DefaultStringRedisConnection Maven / Gradle / Ivy

/*
 * Copyright 2011-2018 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
 *
 *      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.springframework.data.redis.connection;

import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Queue;
import java.util.Set;
import java.util.Map.Entry;
import java.util.concurrent.TimeUnit;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.core.convert.converter.Converter;
import org.springframework.data.geo.Circle;
import org.springframework.data.geo.Distance;
import org.springframework.data.geo.GeoResults;
import org.springframework.data.geo.Metric;
import org.springframework.data.geo.Point;
import org.springframework.data.redis.RedisSystemException;
import org.springframework.data.redis.connection.convert.Converters;
import org.springframework.data.redis.connection.convert.ListConverter;
import org.springframework.data.redis.connection.convert.MapConverter;
import org.springframework.data.redis.connection.convert.SetConverter;
import org.springframework.data.redis.core.ConvertingCursor;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.ScanOptions;
import org.springframework.data.redis.core.types.Expiration;
import org.springframework.data.redis.core.types.RedisClientInfo;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.ObjectUtils;

/**
 * Default implementation of {@link StringRedisConnection}.
 *
 * @author Costin Leau
 * @author Jennifer Hickey
 * @author Christoph Strobl
 * @author Thomas Darimont
 * @author Mark Paluch
 * @author Ninad Divadkar
 */
public class DefaultStringRedisConnection implements StringRedisConnection, DecoratedRedisConnection {

	private static final byte[][] EMPTY_2D_BYTE_ARRAY = new byte[0][];

	private final Log log = LogFactory.getLog(DefaultStringRedisConnection.class);
	private final RedisConnection delegate;
	private final RedisSerializer serializer;
	private Converter bytesToString = new DeserializingConverter();
	private SetConverter tupleToStringTuple = new SetConverter<>(new TupleConverter());
	private SetConverter stringTupleToTuple = new SetConverter<>(new StringTupleConverter());
	private ListConverter byteListToStringList = new ListConverter<>(bytesToString);
	private MapConverter byteMapToStringMap = new MapConverter<>(bytesToString);
	private SetConverter byteSetToStringSet = new SetConverter<>(bytesToString);
	private Converter>, GeoResults>> byteGeoResultsToStringGeoResults;

	@SuppressWarnings("rawtypes") private Queue pipelineConverters = new LinkedList<>();
	@SuppressWarnings("rawtypes") private Queue txConverters = new LinkedList<>();
	private boolean deserializePipelineAndTxResults = false;
	private IdentityConverter identityConverter = new IdentityConverter<>();

	private class DeserializingConverter implements Converter {
		public String convert(byte[] source) {
			return serializer.deserialize(source);
		}
	}

	private class TupleConverter implements Converter {
		public StringTuple convert(Tuple source) {
			return new DefaultStringTuple(source, serializer.deserialize(source.getValue()));
		}
	}

	private class StringTupleConverter implements Converter {
		public Tuple convert(StringTuple source) {
			return new DefaultTuple(source.getValue(), source.getScore());
		}
	}

	private class IdentityConverter implements Converter {
		public Object convert(Object source) {
			return source;
		}
	}

	@SuppressWarnings("rawtypes")
	private class TransactionResultConverter implements Converter, List