public void initializeChannels(GateDeploymentDescriptor inputGateDescriptor) {
channels = new InputChannel[inputGateDescriptor.getNumberOfChannelDescriptors()];
setChannelType(inputGateDescriptor.getChannelType());
final int nicdd = inputGateDescriptor.getNumberOfChannelDescriptors();
for (int i = 0; i < nicdd; i++) {
final ChannelDeploymentDescriptor cdd = inputGateDescriptor.getChannelDescriptor(i);
channels[i] =
new InputChannel<T>(
this, i, cdd.getInputChannelID(), cdd.getOutputChannelID(), getChannelType());
}
}
/**
* Constructs a runtime environment from a task deployment description.
*
* @param tdd the task deployment description
* @param memoryManager the task manager's memory manager component
* @param ioManager the task manager's I/O manager component
* @param inputSplitProvider the input split provider for this environment
* @throws Exception thrown if an error occurs while instantiating the invokable class
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public RuntimeEnvironment(
final TaskDeploymentDescriptor tdd,
final MemoryManager memoryManager,
final IOManager ioManager,
final InputSplitProvider inputSplitProvider,
AccumulatorProtocol accumulatorProtocolProxy)
throws Exception {
this.jobID = tdd.getJobID();
this.taskName = tdd.getTaskName();
this.invokableClass = tdd.getInvokableClass();
this.jobConfiguration = tdd.getJobConfiguration();
this.taskConfiguration = tdd.getTaskConfiguration();
this.indexInSubtaskGroup = tdd.getIndexInSubtaskGroup();
this.currentNumberOfSubtasks = tdd.getCurrentNumberOfSubtasks();
this.memoryManager = memoryManager;
this.ioManager = ioManager;
this.inputSplitProvider = inputSplitProvider;
this.accumulatorProtocolProxy = accumulatorProtocolProxy;
this.invokable = this.invokableClass.newInstance();
this.invokable.setEnvironment(this);
this.invokable.registerInputOutput();
if (!this.unboundOutputGateIDs.isEmpty() && LOG.isErrorEnabled()) {
LOG.error(
"Inconsistency: " + this.unboundOutputGateIDs.size() + " unbound output gate IDs left");
}
if (!this.unboundInputGateIDs.isEmpty() && LOG.isErrorEnabled()) {
LOG.error(
"Inconsistency: " + this.unboundInputGateIDs.size() + " unbound output gate IDs left");
}
final int noogdd = tdd.getNumberOfOutputGateDescriptors();
for (int i = 0; i < noogdd; ++i) {
final GateDeploymentDescriptor gdd = tdd.getOutputGateDescriptor(i);
final OutputGate og = this.outputGates.get(i);
final ChannelType channelType = gdd.getChannelType();
og.setChannelType(channelType);
final int nocdd = gdd.getNumberOfChannelDescriptors();
for (int j = 0; j < nocdd; ++j) {
final ChannelDeploymentDescriptor cdd = gdd.getChannelDescriptor(j);
switch (channelType) {
case NETWORK:
og.createNetworkOutputChannel(og, cdd.getOutputChannelID(), cdd.getInputChannelID());
break;
case INMEMORY:
og.createInMemoryOutputChannel(og, cdd.getOutputChannelID(), cdd.getInputChannelID());
break;
default:
throw new IllegalStateException("Unknown channel type");
}
}
}
final int noigdd = tdd.getNumberOfInputGateDescriptors();
for (int i = 0; i < noigdd; ++i) {
final GateDeploymentDescriptor gdd = tdd.getInputGateDescriptor(i);
final InputGate ig = this.inputGates.get(i);
final ChannelType channelType = gdd.getChannelType();
ig.setChannelType(channelType);
final int nicdd = gdd.getNumberOfChannelDescriptors();
for (int j = 0; j < nicdd; ++j) {
final ChannelDeploymentDescriptor cdd = gdd.getChannelDescriptor(j);
switch (channelType) {
case NETWORK:
ig.createNetworkInputChannel(ig, cdd.getInputChannelID(), cdd.getOutputChannelID());
break;
case INMEMORY:
ig.createInMemoryInputChannel(ig, cdd.getInputChannelID(), cdd.getOutputChannelID());
break;
default:
throw new IllegalStateException("Unknown channel type");
}
}
}
}