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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing
/*
* 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.geode.internal.cache.execute;
import org.apache.geode.cache.CacheClosedException;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.client.internal.ProxyCache;
import org.apache.geode.cache.client.internal.ServerRegionProxy;
import org.apache.geode.cache.client.internal.UserAttributes;
import org.apache.geode.cache.execute.Execution;
import org.apache.geode.cache.execute.Function;
import org.apache.geode.cache.execute.FunctionException;
import org.apache.geode.cache.execute.FunctionService;
import org.apache.geode.cache.execute.ResultCollector;
import org.apache.geode.internal.cache.GemFireCacheImpl;
import org.apache.geode.internal.cache.LocalRegion;
import org.apache.geode.internal.cache.TXStateProxyImpl;
import org.apache.geode.internal.cache.execute.util.SynchronizedResultCollector;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import java.util.Set;
import org.apache.logging.log4j.Logger;
/**
*
* Executes Function with FunctionService#onRegion(Region region) in client server mode.
*
* @see FunctionService#onRegion(Region) *
* @since GemFire 5.8 LA
*
*/
public class ServerRegionFunctionExecutor extends AbstractExecution {
private static final Logger logger = LogService.getLogger();
final private LocalRegion region;
private boolean executeOnBucketSet = false;
public ServerRegionFunctionExecutor(Region r, ProxyCache proxyCache) {
if (r == null) {
throw new IllegalArgumentException(
LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString("Region"));
}
this.region = (LocalRegion) r;
this.proxyCache = proxyCache;
}
// private ServerRegionFunctionExecutor(ServerRegionFunctionExecutor sre) {
// super(sre);
// this.region = sre.region;
// if (sre.filter != null) {
// this.filter.clear();
// this.filter.addAll(sre.filter);
// }
// }
private ServerRegionFunctionExecutor(ServerRegionFunctionExecutor serverRegionFunctionExecutor,
Object args) {
super(serverRegionFunctionExecutor);
this.region = serverRegionFunctionExecutor.region;
this.filter.clear();
this.filter.addAll(serverRegionFunctionExecutor.filter);
this.args = args;
this.executeOnBucketSet = serverRegionFunctionExecutor.executeOnBucketSet;
}
private ServerRegionFunctionExecutor(ServerRegionFunctionExecutor serverRegionFunctionExecutor,
MemberMappedArgument memberMapargs) {
super(serverRegionFunctionExecutor);
this.region = serverRegionFunctionExecutor.region;
this.filter.clear();
this.filter.addAll(serverRegionFunctionExecutor.filter);
this.memberMappedArg = memberMapargs;
this.executeOnBucketSet = serverRegionFunctionExecutor.executeOnBucketSet;
}
private ServerRegionFunctionExecutor(ServerRegionFunctionExecutor serverRegionFunctionExecutor,
ResultCollector rc) {
super(serverRegionFunctionExecutor);
this.region = serverRegionFunctionExecutor.region;
this.filter.clear();
this.filter.addAll(serverRegionFunctionExecutor.filter);
this.rc = rc != null ? new SynchronizedResultCollector(rc) : null;
this.executeOnBucketSet = serverRegionFunctionExecutor.executeOnBucketSet;
}
private ServerRegionFunctionExecutor(ServerRegionFunctionExecutor serverRegionFunctionExecutor,
Set filter2) {
super(serverRegionFunctionExecutor);
this.region = serverRegionFunctionExecutor.region;
this.filter.clear();
this.filter.addAll(filter2);
this.executeOnBucketSet = serverRegionFunctionExecutor.executeOnBucketSet;
}
private ServerRegionFunctionExecutor(ServerRegionFunctionExecutor serverRegionFunctionExecutor,
Set bucketsAsFilter, boolean executeOnBucketSet) {
super(serverRegionFunctionExecutor);
this.region = serverRegionFunctionExecutor.region;
this.filter.clear();
this.filter.addAll(bucketsAsFilter);
this.executeOnBucketSet = executeOnBucketSet;
}
public Execution withFilter(Set fltr) {
if (fltr == null) {
throw new FunctionException(
LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString("filter"));
}
this.executeOnBucketSet = false;
return new ServerRegionFunctionExecutor(this, fltr);
}
public InternalExecution withBucketFilter(Set bucketIDs) {
if (bucketIDs == null) {
throw new FunctionException(
LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString("buckets as filter"));
}
return new ServerRegionFunctionExecutor(this, bucketIDs, true /* execute on bucketset */);
}
@Override
protected ResultCollector executeFunction(final Function function) {
byte hasResult = 0;
try {
if (proxyCache != null) {
if (this.proxyCache.isClosed()) {
throw new CacheClosedException("Cache is closed for this user.");
}
UserAttributes.userAttributes.set(this.proxyCache.getUserAttributes());
}
if (function.hasResult()) { // have Results
hasResult = 1;
if (this.rc == null) { // Default Result Collector
ResultCollector defaultCollector = new DefaultResultCollector();
return executeOnServer(function, defaultCollector, hasResult);
} else { // Custome Result COllector
return executeOnServer(function, this.rc, hasResult);
}
} else { // No results
executeOnServerNoAck(function, hasResult);
return new NoResult();
}
} finally {
UserAttributes.userAttributes.set(null);
}
}
protected ResultCollector executeFunction(final String functionId, boolean resultReq,
boolean isHA, boolean optimizeForWrite) {
try {
if (proxyCache != null) {
if (this.proxyCache.isClosed()) {
throw new CacheClosedException("Cache is closed for this user.");
}
UserAttributes.userAttributes.set(this.proxyCache.getUserAttributes());
}
byte hasResult = 0;
if (resultReq) { // have Results
hasResult = 1;
if (this.rc == null) { // Default Result Collector
ResultCollector defaultCollector = new DefaultResultCollector();
return executeOnServer(functionId, defaultCollector, hasResult, isHA, optimizeForWrite);
} else { // Custome Result COllector
return executeOnServer(functionId, this.rc, hasResult, isHA, optimizeForWrite);
}
} else { // No results
executeOnServerNoAck(functionId, hasResult, isHA, optimizeForWrite);
return new NoResult();
}
} finally {
UserAttributes.userAttributes.set(null);
}
}
private ResultCollector executeOnServer(Function function, ResultCollector collector,
byte hasResult) throws FunctionException {
ServerRegionProxy srp = getServerRegionProxy();
FunctionStats stats = FunctionStats.getFunctionStats(function.getId(), this.region.getSystem());
try {
validateExecution(function, null);
long start = stats.startTime();
stats.startFunctionExecution(true);
srp.executeFunction(this.region.getFullPath(), function, this, collector, hasResult, false);
stats.endFunctionExecution(start, true);
return collector;
} catch (FunctionException functionException) {
stats.endFunctionExecutionWithException(true);
throw functionException;
} catch (Exception exception) {
stats.endFunctionExecutionWithException(true);
throw new FunctionException(exception);
}
}
private ResultCollector executeOnServer(String functionId, ResultCollector collector,
byte hasResult, boolean isHA, boolean optimizeForWrite) throws FunctionException {
ServerRegionProxy srp = getServerRegionProxy();
FunctionStats stats = FunctionStats.getFunctionStats(functionId, this.region.getSystem());
try {
validateExecution(null, null);
long start = stats.startTime();
stats.startFunctionExecution(true);
srp.executeFunction(this.region.getFullPath(), functionId, this, collector, hasResult, isHA,
optimizeForWrite, false);
stats.endFunctionExecution(start, true);
return collector;
} catch (FunctionException functionException) {
stats.endFunctionExecutionWithException(true);
throw functionException;
} catch (Exception exception) {
stats.endFunctionExecutionWithException(true);
throw new FunctionException(exception);
}
}
private void executeOnServerNoAck(Function function, byte hasResult) throws FunctionException {
ServerRegionProxy srp = getServerRegionProxy();
FunctionStats stats = FunctionStats.getFunctionStats(function.getId(), this.region.getSystem());
try {
validateExecution(function, null);
long start = stats.startTime();
stats.startFunctionExecution(false);
srp.executeFunctionNoAck(this.region.getFullPath(), function, this, hasResult, false);
stats.endFunctionExecution(start, false);
} catch (FunctionException functionException) {
stats.endFunctionExecutionWithException(false);
throw functionException;
} catch (Exception exception) {
stats.endFunctionExecutionWithException(false);
throw new FunctionException(exception);
}
}
private void executeOnServerNoAck(String functionId, byte hasResult, boolean isHA,
boolean optimizeForWrite) throws FunctionException {
ServerRegionProxy srp = getServerRegionProxy();
FunctionStats stats = FunctionStats.getFunctionStats(functionId, this.region.getSystem());
try {
validateExecution(null, null);
long start = stats.startTime();
stats.startFunctionExecution(false);
srp.executeFunctionNoAck(this.region.getFullPath(), functionId, this, hasResult, isHA,
optimizeForWrite, false);
stats.endFunctionExecution(start, false);
} catch (FunctionException functionException) {
stats.endFunctionExecutionWithException(false);
throw functionException;
} catch (Exception exception) {
stats.endFunctionExecutionWithException(false);
throw new FunctionException(exception);
}
}
private ServerRegionProxy getServerRegionProxy() throws FunctionException {
ServerRegionProxy srp = region.getServerProxy();
if (srp != null) {
if (logger.isDebugEnabled()) {
logger.debug("Found server region proxy on region. RegionName: {}", region.getName());
}
return srp;
} else {
StringBuffer message = new StringBuffer();
message.append(srp).append(": ");
message.append(
"No available connection was found. Server Region Proxy is not available for this region "
+ region.getName());
throw new FunctionException(message.toString());
}
}
public LocalRegion getRegion() {
return this.region;
}
@Override
public String toString() {
return new StringBuffer().append("[ ServerRegionExecutor:").append("args=").append(this.args)
.append(" ;filter=").append(this.filter).append(" ;region=").append(this.region.getName())
.append("]").toString();
}
public Execution withArgs(Object params) {
if (params == null) {
throw new FunctionException(
LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString("args"));
}
return new ServerRegionFunctionExecutor(this, params);
}
public Execution withCollector(ResultCollector rs) {
if (rs == null) {
throw new FunctionException(
LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString("Result Collector"));
}
return new ServerRegionFunctionExecutor(this, rs);
}
public InternalExecution withMemberMappedArgument(MemberMappedArgument argument) {
if (argument == null) {
throw new FunctionException(
LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString("MemberMappedArgument"));
}
return new ServerRegionFunctionExecutor(this, argument);
}
/*
* (non-Javadoc)
*
* @see
* org.apache.geode.internal.cache.execute.AbstractExecution#validateExecution(org.apache.geode.
* cache.execute.Function, java.util.Set)
*/
@Override
public void validateExecution(Function function, Set targetMembers) {
GemFireCacheImpl cache = GemFireCacheImpl.getInstance();
if (cache != null && cache.getTxManager().getTXState() != null) {
TXStateProxyImpl tx = (TXStateProxyImpl) cache.getTxManager().getTXState();
tx.getRealDeal(null, region);
tx.incOperationCount();
}
}
@Override
public ResultCollector execute(final String functionName) {
if (functionName == null) {
throw new FunctionException(
LocalizedStrings.ExecuteFunction_THE_INPUT_FUNCTION_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString());
}
this.isFnSerializationReqd = false;
Function functionObject = FunctionService.getFunction(functionName);
if (functionObject == null) {
byte[] functionAttributes = getFunctionAttributes(functionName);
if (functionAttributes == null) {
ServerRegionProxy srp = getServerRegionProxy();
Object obj = srp.getFunctionAttributes(functionName);
functionAttributes = (byte[]) obj;
addFunctionAttributes(functionName, functionAttributes);
}
boolean hasResult = ((functionAttributes[0] == 1) ? true : false);
boolean isHA = ((functionAttributes[1] == 1) ? true : false);
boolean optimizeForWrite = ((functionAttributes[2] == 1) ? true : false);
return executeFunction(functionName, hasResult, isHA, optimizeForWrite);
} else {
return executeFunction(functionObject);
}
}
@Override
public ResultCollector execute(String functionName, boolean hasResult) throws FunctionException {
if (functionName == null) {
throw new FunctionException(
LocalizedStrings.ExecuteFunction_THE_INPUT_FUNCTION_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString());
}
this.isFnSerializationReqd = false;
Function functionObject = FunctionService.getFunction(functionName);
if (functionObject == null) {
return executeFunction(functionName, hasResult, hasResult, false);
} else {
byte registeredFunctionState = AbstractExecution.getFunctionState(functionObject.isHA(),
functionObject.hasResult(), functionObject.optimizeForWrite());
byte functionState = AbstractExecution.getFunctionState(hasResult, hasResult, false);
if (registeredFunctionState != functionState) {
throw new FunctionException(
LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH_CLIENT_SERVER
.toLocalizedString(functionName));
}
return executeFunction(functionObject);
}
}
@Override
public ResultCollector execute(String functionName, boolean hasResult, boolean isHA)
throws FunctionException {
if (functionName == null) {
throw new FunctionException(
LocalizedStrings.ExecuteFunction_THE_INPUT_FUNCTION_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString());
}
this.isFnSerializationReqd = false;
if (isHA && !hasResult) {
throw new FunctionException(
LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH.toLocalizedString());
}
Function functionObject = FunctionService.getFunction(functionName);
if (functionObject == null) {
return executeFunction(functionName, hasResult, isHA, false);
} else {
byte registeredFunctionState = AbstractExecution.getFunctionState(functionObject.isHA(),
functionObject.hasResult(), functionObject.optimizeForWrite());
byte functionState = AbstractExecution.getFunctionState(isHA, hasResult, false);
if (registeredFunctionState != functionState) {
throw new FunctionException(
LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH_CLIENT_SERVER
.toLocalizedString(functionName));
}
return executeFunction(functionObject);
}
}
@Override
public ResultCollector execute(String functionName, boolean hasResult, boolean isHA,
boolean isOptimizeForWrite) throws FunctionException {
if (functionName == null) {
throw new FunctionException(
LocalizedStrings.ExecuteFunction_THE_INPUT_FUNCTION_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL
.toLocalizedString());
}
this.isFnSerializationReqd = false;
if (isHA && !hasResult) {
throw new FunctionException(
LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH.toLocalizedString());
}
Function functionObject = FunctionService.getFunction(functionName);
if (functionObject == null) {
return executeFunction(functionName, hasResult, isHA, isOptimizeForWrite);
} else {
byte registeredFunctionState = AbstractExecution.getFunctionState(functionObject.isHA(),
functionObject.hasResult(), functionObject.optimizeForWrite());
byte functionState = AbstractExecution.getFunctionState(isHA, hasResult, isOptimizeForWrite);
if (registeredFunctionState != functionState) {
throw new FunctionException(
LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH_CLIENT_SERVER
.toLocalizedString(functionName));
}
return executeFunction(functionObject);
}
}
public boolean getExecuteOnBucketSetFlag() {
return this.executeOnBucketSet;
}
}