/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.ignite.internal.processors.datastructures;
import java.io.Externalizable;
import java.io.IOException;
import java.io.InvalidObjectException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.ObjectStreamException;
import javax.cache.processor.EntryProcessorException;
import javax.cache.processor.EntryProcessorResult;
import javax.cache.processor.MutableEntry;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.IgniteException;
import org.apache.ignite.cache.CacheEntryProcessor;
import org.apache.ignite.internal.GridKernalContext;
import org.apache.ignite.internal.processors.cache.GridCacheContext;
import org.apache.ignite.internal.processors.cache.IgniteInternalCache;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.internal.processors.cluster.IgniteChangeGlobalStateSupport;
import org.apache.ignite.lang.IgniteBiTuple;
/**
* Cache atomic long implementation.
*/
public final class GridCacheAtomicLongImpl implements GridCacheAtomicLongEx, IgniteChangeGlobalStateSupport, Externalizable {
/** */
private static final long serialVersionUID = 0L;
/** Deserialization stash. */
private static final ThreadLocal<IgniteBiTuple<GridKernalContext, String>> stash =
new ThreadLocal<IgniteBiTuple<GridKernalContext, String>>() {
@Override protected IgniteBiTuple<GridKernalContext, String> initialValue() {
return new IgniteBiTuple<>();
}
};
/** Atomic long name. */
private String name;
/** Removed flag.*/
private volatile boolean rmvd;
/** Check removed flag. */
private boolean rmvCheck;
/** Atomic long key. */
private GridCacheInternalKey key;
/** Atomic long projection. */
private IgniteInternalCache<GridCacheInternalKey, GridCacheAtomicLongValue> atomicView;
/** Cache context. */
private GridCacheContext ctx;
/**
* Empty constructor required by {@link Externalizable}.
*/
public GridCacheAtomicLongImpl() {
// No-op.
}
/**
* Default constructor.
*
* @param name Atomic long name.
* @param key Atomic long key.
* @param atomicView Atomic projection.
* @param ctx CacheContext.
*/
public GridCacheAtomicLongImpl(String name,
GridCacheInternalKey key,
IgniteInternalCache<GridCacheInternalKey, GridCacheAtomicLongValue> atomicView,
GridCacheContext ctx) {
assert key != null;
assert atomicView != null;
assert ctx != null;
assert name != null;
this.ctx = ctx;
this.key = key;
this.atomicView = atomicView;
this.name = name;
}
/** {@inheritDoc} */
@Override public String name() {
return name;
}
/** {@inheritDoc} */
@Override public long get() {
checkRemoved();
try {
GridCacheAtomicLongValue val = atomicView.get(key);
if (val == null)
throw new IgniteException("Failed to find atomic long: " + name);
return val.get();
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public long incrementAndGet() {
checkRemoved();
try{
EntryProcessorResult<Long> res = atomicView.invoke(key, IncrementAndGetProcessor.INSTANCE);
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public long getAndIncrement() {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, GetAndIncrementProcessor.INSTANCE);
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public long addAndGet(long l) {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, new AddAndGetProcessor(l));
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public long getAndAdd(long l) {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, new GetAndAddProcessor(l));
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public long decrementAndGet() {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, DecrementAndGetProcessor.INSTANCE);
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public long getAndDecrement() {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, GetAndDecrementProcessor.INSTANCE);
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public long getAndSet(long l) {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, new GetAndSetProcessor(l));
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public boolean compareAndSet(long expVal, long newVal) {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, new CompareAndSetProcessor(expVal, newVal));
assert res != null && res.get() != null : res;
return res.get() == expVal;
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/**
* @param expVal Expected value.
* @param newVal New value.
* @return Old value.
*/
public long compareAndSetAndGet(long expVal, long newVal) {
checkRemoved();
try {
EntryProcessorResult<Long> res = atomicView.invoke(key, new CompareAndSetProcessor(expVal, newVal));
assert res != null && res.get() != null : res;
return res.get();
}
catch (EntryProcessorException e) {
throw new IgniteException(e.getMessage(), e);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/**
* Check removed flag.
*
* @throws IllegalStateException If removed.
*/
private void checkRemoved() throws IllegalStateException {
if (rmvd)
throw removedError();
if (rmvCheck) {
try {
rmvd = atomicView.get(key) == null;
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
rmvCheck = false;
if (rmvd) {
ctx.kernalContext().dataStructures().onRemoved(key, this);
throw removedError();
}
}
}
/**
* @return Error.
*/
private IllegalStateException removedError() {
return new IllegalStateException("Atomic long was removed from cache: " + name);
}
/** {@inheritDoc} */
@Override public boolean onRemoved() {
return rmvd = true;
}
/** {@inheritDoc} */
@Override public void needCheckNotRemoved() {
rmvCheck = true;
}
/** {@inheritDoc} */
@Override public GridCacheInternalKey key() {
return key;
}
/** {@inheritDoc} */
@Override public boolean removed() {
return rmvd;
}
/** {@inheritDoc} */
@Override public void close() {
if (rmvd)
return;
try {
ctx.kernalContext().dataStructures().removeAtomicLong(name);
}
catch (IgniteCheckedException e) {
throw U.convertException(e);
}
}
/** {@inheritDoc} */
@Override public void onActivate(GridKernalContext kctx) throws IgniteCheckedException {
this.atomicView = kctx.cache().atomicsCache();
this.ctx = atomicView.context();
}
/** {@inheritDoc} */
@Override public void onDeActivate(GridKernalContext kctx) throws IgniteCheckedException {
// No-op.
}
/** {@inheritDoc} */
@Override public void writeExternal(ObjectOutput out) throws IOException {
out.writeObject(ctx.kernalContext());
out.writeUTF(name);
}
/** {@inheritDoc} */
@Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
IgniteBiTuple<GridKernalContext, String> t = stash.get();
t.set1((GridKernalContext)in.readObject());
t.set2(in.readUTF());
}
/**
* Reconstructs object on unmarshalling.
*
* @return Reconstructed object.
* @throws ObjectStreamException Thrown in case of unmarshalling error.
*/
private Object readResolve() throws ObjectStreamException {
try {
IgniteBiTuple<GridKernalContext, String> t = stash.get();
return t.get1().dataStructures().atomicLong(t.get2(), 0L, false);
}
catch (IgniteCheckedException e) {
throw U.withCause(new InvalidObjectException(e.getMessage()), e);
}
finally {
stash.remove();
}
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GridCacheAtomicLongImpl.class, this);
}
/**
*
*/
static class GetAndSetProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private final long newVal;
/**
* @param newVal New value.
*/
GetAndSetProcessor(long newVal) {
this.newVal = newVal;
}
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long curVal = val.get();
e.setValue(new GridCacheAtomicLongValue(newVal));
return curVal;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GetAndSetProcessor.class, this);
}
}
/**
*
*/
static class GetAndAddProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private final long delta;
/**
* @param delta Delta.
*/
GetAndAddProcessor(long delta) {
this.delta = delta;
}
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long curVal = val.get();
e.setValue(new GridCacheAtomicLongValue(curVal + delta));
return curVal;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GetAndAddProcessor.class, this);
}
}
/**
*
*/
static class AddAndGetProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private final long delta;
/**
* @param delta Delta.
*/
AddAndGetProcessor(long delta) {
this.delta = delta;
}
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long newVal = val.get() + delta;
e.setValue(new GridCacheAtomicLongValue(newVal));
return newVal;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(AddAndGetProcessor.class, this);
}
}
/**
*
*/
static class CompareAndSetProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private final long expVal;
/** */
private final long newVal;
/**
* @param expVal Expected value.
* @param newVal New value.
*/
CompareAndSetProcessor(long expVal, long newVal) {
this.expVal = expVal;
this.newVal = newVal;
}
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long curVal = val.get();
if (curVal == expVal)
e.setValue(new GridCacheAtomicLongValue(newVal));
return curVal;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(CompareAndSetProcessor.class, this);
}
}
/**
*
*/
static class GetAndIncrementProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private static final GetAndIncrementProcessor INSTANCE = new GetAndIncrementProcessor();
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long ret = val.get();
e.setValue(new GridCacheAtomicLongValue(ret + 1));
return ret;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GetAndIncrementProcessor.class, this);
}
}
/**
*
*/
static class IncrementAndGetProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private static final IncrementAndGetProcessor INSTANCE = new IncrementAndGetProcessor();
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long newVal = val.get() + 1;
e.setValue(new GridCacheAtomicLongValue(newVal));
return newVal;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(IncrementAndGetProcessor.class, this);
}
}
/**
*
*/
static class GetAndDecrementProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private static final GetAndDecrementProcessor INSTANCE = new GetAndDecrementProcessor();
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long ret = val.get();
e.setValue(new GridCacheAtomicLongValue(ret - 1));
return ret;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GetAndDecrementProcessor.class, this);
}
}
/**
*
*/
static class DecrementAndGetProcessor implements
CacheEntryProcessor<GridCacheInternalKey, GridCacheAtomicLongValue, Long> {
/** */
private static final long serialVersionUID = 0L;
/** */
private static final DecrementAndGetProcessor INSTANCE = new DecrementAndGetProcessor();
/** {@inheritDoc} */
@Override public Long process(MutableEntry<GridCacheInternalKey, GridCacheAtomicLongValue> e, Object... args) {
GridCacheAtomicLongValue val = e.getValue();
if (val == null)
throw new EntryProcessorException("Failed to find atomic long: " + e.getKey().name());
long newVal = val.get() - 1;
e.setValue(new GridCacheAtomicLongValue(newVal));
return newVal;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(DecrementAndGetProcessor.class, this);
}
}
}