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org.redisson.RedissonObject Maven / Gradle / Ivy
/**
* Copyright 2018 Nikita Koksharov
*
* 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.redisson;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.concurrent.TimeUnit;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import org.redisson.api.RFuture;
import org.redisson.api.RObject;
import org.redisson.client.codec.ByteArrayCodec;
import org.redisson.client.codec.Codec;
import org.redisson.client.codec.StringCodec;
import org.redisson.client.protocol.RedisCommands;
import org.redisson.command.CommandAsyncExecutor;
import org.redisson.misc.RedissonObjectFactory;
import io.netty.buffer.ByteBuf;
/**
* Base Redisson object
*
* @author Nikita Koksharov
*
*/
public abstract class RedissonObject implements RObject {
protected final CommandAsyncExecutor commandExecutor;
private final String name;
protected final Codec codec;
public RedissonObject(Codec codec, CommandAsyncExecutor commandExecutor, String name) {
this.codec = codec;
this.name = name;
this.commandExecutor = commandExecutor;
}
public RedissonObject(CommandAsyncExecutor commandExecutor, String name) {
this(commandExecutor.getConnectionManager().getCodec(), commandExecutor, name);
}
protected boolean await(RFuture future, long timeout, TimeUnit timeoutUnit) throws InterruptedException {
return commandExecutor.await(future, timeout, timeoutUnit);
}
public static String prefixName(String prefix, String name) {
if (name.contains("{")) {
return prefix + ":" + name;
}
return prefix + ":{" + name + "}";
}
public static String suffixName(String name, String suffix) {
if (name.contains("{")) {
return name + ":" + suffix;
}
return "{" + name + "}:" + suffix;
}
protected final Stream toStream(Iterator iterator) {
Spliterator spliterator = Spliterators.spliteratorUnknownSize(iterator, Spliterator.NONNULL);
return StreamSupport.stream(spliterator, false);
}
protected final V get(RFuture future) {
return commandExecutor.get(future);
}
protected final long toSeconds(long timeout, TimeUnit unit) {
long seconds = unit.toSeconds(timeout);
if (timeout != 0 && seconds == 0) {
seconds = 1;
}
return seconds;
}
@Override
public String getName() {
return name;
}
protected String getName(Object o) {
return getName();
}
@Override
public void rename(String newName) {
get(renameAsync(newName));
}
@Override
public RFuture sizeInMemoryAsync() {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.MEMORY_USAGE, getName());
}
public final RFuture sizeInMemoryAsync(List keys) {
return commandExecutor.evalWriteAsync((String)keys.get(0), StringCodec.INSTANCE, RedisCommands.EVAL_LONG,
"local total = 0;"
+ "for j = 1, #KEYS, 1 do "
+ "local size = redis.call('memory', 'usage', KEYS[j]); "
+ "if size ~= false then "
+ "total = total + size;"
+ "end; "
+ "end; "
+ "return total; ", keys);
}
@Override
public long sizeInMemory() {
return get(sizeInMemoryAsync());
}
@Override
public RFuture renameAsync(String newName) {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.RENAME, getName(), newName);
}
@Override
public void migrate(String host, int port, int database, long timeout) {
get(migrateAsync(host, port, database, timeout));
}
@Override
public RFuture migrateAsync(String host, int port, int database, long timeout) {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.MIGRATE, host, port, getName(), database, timeout);
}
@Override
public void copy(String host, int port, int database, long timeout) {
get(copyAsync(host, port, database, timeout));
}
@Override
public RFuture copyAsync(String host, int port, int database, long timeout) {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.MIGRATE, host, port, getName(), database, timeout, "COPY");
}
@Override
public boolean move(int database) {
return get(moveAsync(database));
}
@Override
public RFuture moveAsync(int database) {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.MOVE, getName(), database);
}
@Override
public boolean renamenx(String newName) {
return get(renamenxAsync(newName));
}
@Override
public RFuture renamenxAsync(String newName) {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.RENAMENX, getName(), newName);
}
@Override
public boolean delete() {
return get(deleteAsync());
}
@Override
public RFuture deleteAsync() {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.DEL_BOOL, getName());
}
@Override
public boolean unlink() {
return get(unlinkAsync());
}
@Override
public RFuture unlinkAsync() {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.UNLINK_BOOL, getName());
}
@Override
public boolean touch() {
return get(touchAsync());
}
@Override
public RFuture touchAsync() {
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.TOUCH, getName());
}
@Override
public boolean isExists() {
return get(isExistsAsync());
}
@Override
public RFuture isExistsAsync() {
return commandExecutor.readAsync(getName(), StringCodec.INSTANCE, RedisCommands.EXISTS, getName());
}
@Override
public Codec getCodec() {
return codec;
}
protected List encode(Collection values) {
List result = new ArrayList(values.size());
for (Object object : values) {
result.add(encode(object));
}
return result;
}
public void encode(Collection params, Collection values) {
for (Object object : values) {
params.add(encode(object));
}
}
protected void encodeMapKeys(Collection params, Collection values) {
for (Object object : values) {
params.add(encodeMapKey(object));
}
}
protected void encodeMapValues(Collection params, Collection values) {
for (Object object : values) {
params.add(encodeMapValue(object));
}
}
public ByteBuf encode(Object value) {
if (commandExecutor.isRedissonReferenceSupportEnabled()) {
RedissonReference reference = RedissonObjectFactory.toReference(commandExecutor.getConnectionManager().getCfg(), value);
if (reference != null) {
value = reference;
}
}
try {
return codec.getValueEncoder().encode(value);
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
public ByteBuf encodeMapKey(Object value) {
if (commandExecutor.isRedissonReferenceSupportEnabled()) {
RedissonReference reference = RedissonObjectFactory.toReference(commandExecutor.getConnectionManager().getCfg(), value);
if (reference != null) {
value = reference;
}
}
try {
return codec.getMapKeyEncoder().encode(value);
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
public ByteBuf encodeMapValue(Object value) {
if (commandExecutor.isRedissonReferenceSupportEnabled()) {
RedissonReference reference = RedissonObjectFactory.toReference(commandExecutor.getConnectionManager().getCfg(), value);
if (reference != null) {
value = reference;
}
}
try {
return codec.getMapValueEncoder().encode(value);
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
@Override
public byte[] dump() {
return get(dumpAsync());
}
@Override
public RFuture dumpAsync() {
return commandExecutor.readAsync(getName(), ByteArrayCodec.INSTANCE, RedisCommands.DUMP, getName());
}
@Override
public void restore(byte[] state) {
get(restoreAsync(state));
}
@Override
public RFuture restoreAsync(byte[] state) {
return restoreAsync(state, 0, null);
}
@Override
public void restore(byte[] state, long timeToLive, TimeUnit timeUnit) {
get(restoreAsync(state, timeToLive, timeUnit));
}
@Override
public RFuture restoreAsync(byte[] state, long timeToLive, TimeUnit timeUnit) {
long ttl = 0;
if (timeToLive > 0) {
ttl = timeUnit.toMillis(timeToLive);
}
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.RESTORE, getName(), ttl, state);
}
@Override
public void restoreAndReplace(byte[] state, long timeToLive, TimeUnit timeUnit) {
get(restoreAndReplaceAsync(state, timeToLive, timeUnit));
}
@Override
public RFuture restoreAndReplaceAsync(byte[] state, long timeToLive, TimeUnit timeUnit) {
long ttl = 0;
if (timeToLive > 0) {
ttl = timeUnit.toMillis(timeToLive);
}
return commandExecutor.writeAsync(getName(), StringCodec.INSTANCE, RedisCommands.RESTORE, getName(), ttl, state, "REPLACE");
}
@Override
public void restoreAndReplace(byte[] state) {
get(restoreAndReplaceAsync(state));
}
@Override
public RFuture restoreAndReplaceAsync(byte[] state) {
return restoreAndReplaceAsync(state, 0, null);
}
}
