Java Code Examples for org.apache.flink.api.common.functions.BroadcastVariableInitializer#initializeBroadcastVariable()

The following examples show how to use org.apache.flink.api.common.functions.BroadcastVariableInitializer#initializeBroadcastVariable() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RuntimeUDFContext.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@SuppressWarnings("unchecked")
@Override
public <T, C> C getBroadcastVariableWithInitializer(String name, BroadcastVariableInitializer<T, C> initializer) {

	// check if we have an initialized version
	Object o = this.initializedBroadcastVars.get(name);
	if (o != null) {
		return (C) o;
	}
	else {
		List<T> uninitialized = (List<T>) this.uninitializedBroadcastVars.remove(name);
		if (uninitialized != null) {
			C result = initializer.initializeBroadcastVariable(uninitialized);
			this.initializedBroadcastVars.put(name, result);
			return result;
		}
		else {
			throw new IllegalArgumentException("The broadcast variable with name '" + name + "' has not been set.");
		}
	}
}
Example 2
Source File: BroadcastVariableMaterialization.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
public C getVariable(BroadcastVariableInitializer<T, C> initializer) {
	if (!materialized) {
		throw new IllegalStateException("The Broadcast Variable has not yet been materialized.");
	}
	if (disposed) {
		throw new IllegalStateException("The Broadcast Variable has been disposed");
	}

	synchronized (references) {
		if (transformed == null) {
			transformed = initializer.initializeBroadcastVariable(data);
			data = null;
		}
		return transformed;
	}
}
Example 3
Source File: RuntimeUDFContext.java    From flink with Apache License 2.0 6 votes vote down vote up 
@SuppressWarnings("unchecked")
@Override
public <T, C> C getBroadcastVariableWithInitializer(String name, BroadcastVariableInitializer<T, C> initializer) {

	// check if we have an initialized version
	Object o = this.initializedBroadcastVars.get(name);
	if (o != null) {
		return (C) o;
	}
	else {
		List<T> uninitialized = (List<T>) this.uninitializedBroadcastVars.remove(name);
		if (uninitialized != null) {
			C result = initializer.initializeBroadcastVariable(uninitialized);
			this.initializedBroadcastVars.put(name, result);
			return result;
		}
		else {
			throw new IllegalArgumentException("The broadcast variable with name '" + name + "' has not been set.");
		}
	}
}
Example 4
Source File: BroadcastVariableMaterialization.java    From flink with Apache License 2.0 6 votes vote down vote up 
public C getVariable(BroadcastVariableInitializer<T, C> initializer) {
	if (!materialized) {
		throw new IllegalStateException("The Broadcast Variable has not yet been materialized.");
	}
	if (disposed) {
		throw new IllegalStateException("The Broadcast Variable has been disposed");
	}

	synchronized (references) {
		if (transformed == null) {
			transformed = initializer.initializeBroadcastVariable(data);
			data = null;
		}
		return transformed;
	}
}
Example 5
Source File: RuntimeUDFContext.java    From flink with Apache License 2.0 6 votes vote down vote up 
@SuppressWarnings("unchecked")
@Override
public <T, C> C getBroadcastVariableWithInitializer(String name, BroadcastVariableInitializer<T, C> initializer) {

	// check if we have an initialized version
	Object o = this.initializedBroadcastVars.get(name);
	if (o != null) {
		return (C) o;
	}
	else {
		List<T> uninitialized = (List<T>) this.uninitializedBroadcastVars.remove(name);
		if (uninitialized != null) {
			C result = initializer.initializeBroadcastVariable(uninitialized);
			this.initializedBroadcastVars.put(name, result);
			return result;
		}
		else {
			throw new IllegalArgumentException("The broadcast variable with name '" + name + "' has not been set.");
		}
	}
}
Example 6
Source File: BroadcastVariableMaterialization.java    From flink with Apache License 2.0 6 votes vote down vote up 
public C getVariable(BroadcastVariableInitializer<T, C> initializer) {
	if (!materialized) {
		throw new IllegalStateException("The Broadcast Variable has not yet been materialized.");
	}
	if (disposed) {
		throw new IllegalStateException("The Broadcast Variable has been disposed");
	}

	synchronized (references) {
		if (transformed == null) {
			transformed = initializer.initializeBroadcastVariable(data);
			data = null;
		}
		return transformed;
	}
}