Java Code Examples for org.apache.flink.util.InstantiationUtil#readObjectFromConfig()

public List<StreamEdge> getOutEdgesInOrder(ClassLoader cl) {
	try {
		List<StreamEdge> outEdgesInOrder = InstantiationUtil.readObjectFromConfig(this.config, EDGES_IN_ORDER, cl);
		return outEdgesInOrder == null ? new ArrayList<StreamEdge>() : outEdgesInOrder;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate outputs in order.", e);
	}
}
 

public <T> TypeSerializer<T> getTypeSerializerIn2(ClassLoader cl) {
	try {
		return InstantiationUtil.readObjectFromConfig(this.config, TYPE_SERIALIZER_IN_2, cl);
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate serializer.", e);
	}
}
 

public <T> TypeSerializer<T> getTypeSerializerIn1(ClassLoader cl) {
	try {
		return InstantiationUtil.readObjectFromConfig(this.config, TYPE_SERIALIZER_IN_1, cl);
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate serializer.", e);
	}
}
 

public Partitioner<?> getOutputPartitioner(int outputNum, final ClassLoader cl) throws ClassNotFoundException {
	try {
		return (Partitioner<?>) InstantiationUtil.readObjectFromConfig(config, OUTPUT_PARTITIONER + outputNum, cl);
	}
	catch (ClassNotFoundException e) {
		throw e;
	}
	catch (Throwable t) {
		throw new RuntimeException("Could not deserialize custom partitioner.", t);
	}
}
 

@SuppressWarnings("unchecked")
public <T> UserCodeWrapper<T> getStubWrapper(ClassLoader cl) {
	try {
		return (UserCodeWrapper<T>) InstantiationUtil.readObjectFromConfig(this.config, STUB_OBJECT, cl);
	} catch (ClassNotFoundException | IOException e) {
		throw new CorruptConfigurationException("Could not read the user code wrapper: " + e.getMessage(), e);
	}
}
 

public <T> List<OutputSelector<T>> getOutputSelectors(ClassLoader userCodeClassloader) {
	try {
		List<OutputSelector<T>> selectors =
				InstantiationUtil.readObjectFromConfig(this.config, OUTPUT_SELECTOR_WRAPPER, userCodeClassloader);
		return selectors == null ? Collections.<OutputSelector<T>>emptyList() : selectors;

	} catch (Exception e) {
		throw new StreamTaskException("Could not read output selectors", e);
	}
}
 

public List<StreamEdge> getNonChainedOutputs(ClassLoader cl) {
	try {
		List<StreamEdge> nonChainedOutputs = InstantiationUtil.readObjectFromConfig(this.config, NONCHAINED_OUTPUTS, cl);
		return nonChainedOutputs == null ?  new ArrayList<StreamEdge>() : nonChainedOutputs;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate non chained outputs.", e);
	}
}
 

public List<StreamEdge> getInPhysicalEdges(ClassLoader cl) {
	try {
		List<StreamEdge> inEdges = InstantiationUtil.readObjectFromConfig(this.config, IN_STREAM_EDGES, cl);
		return inEdges == null ? new ArrayList<StreamEdge>() : inEdges;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate inputs.", e);
	}
}
 

public Map<Integer, StreamConfig> getTransitiveChainedTaskConfigs(ClassLoader cl) {
	try {
		Map<Integer, StreamConfig> confs = InstantiationUtil.readObjectFromConfig(this.config, CHAINED_TASK_CONFIG, cl);
		return confs == null ? new HashMap<Integer, StreamConfig>() : confs;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate configuration.", e);
	}
}
 

public List<StreamEdge> getOutEdgesInOrder(ClassLoader cl) {
	try {
		List<StreamEdge> outEdgesInOrder = InstantiationUtil.readObjectFromConfig(this.config, EDGES_IN_ORDER, cl);
		return outEdgesInOrder == null ? new ArrayList<StreamEdge>() : outEdgesInOrder;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate outputs in order.", e);
	}
}
 

@SuppressWarnings("unchecked")
public <T> UserCodeWrapper<T> getStubWrapper(ClassLoader cl) {
	try {
		return (UserCodeWrapper<T>) InstantiationUtil.readObjectFromConfig(this.config, STUB_OBJECT, cl);
	} catch (ClassNotFoundException | IOException e) {
		throw new CorruptConfigurationException("Could not read the user code wrapper: " + e.getMessage(), e);
	}
}
 

public List<StreamEdge> getOutEdges(ClassLoader cl) {
	try {
		List<StreamEdge> outEdges = InstantiationUtil.readObjectFromConfig(this.config, OUT_STREAM_EDGES, cl);
		return outEdges == null ? new ArrayList<StreamEdge>() : outEdges;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate outputs.", e);
	}
}
 

public KeySelector<?, Serializable> getStatePartitioner(int input, ClassLoader cl) {
	try {
		return InstantiationUtil.readObjectFromConfig(this.config, STATE_PARTITIONER + input, cl);
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate state partitioner.", e);
	}
}
 

public <T> TypeSerializer<T> getTypeSerializerOut(ClassLoader cl) {
	try {
		return InstantiationUtil.readObjectFromConfig(this.config, TYPE_SERIALIZER_OUT_1, cl);
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate serializer.", e);
	}
}
 

public List<StreamEdge> getNonChainedOutputs(ClassLoader cl) {
	try {
		List<StreamEdge> nonChainedOutputs = InstantiationUtil.readObjectFromConfig(this.config, NONCHAINED_OUTPUTS, cl);
		return nonChainedOutputs == null ?  new ArrayList<StreamEdge>() : nonChainedOutputs;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate non chained outputs.", e);
	}
}
 

public List<StreamEdge> getChainedOutputs(ClassLoader cl) {
	try {
		List<StreamEdge> chainedOutputs = InstantiationUtil.readObjectFromConfig(this.config, CHAINED_OUTPUTS, cl);
		return chainedOutputs == null ? new ArrayList<StreamEdge>() : chainedOutputs;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate chained outputs.", e);
	}
}
 

public <T> TypeSerializer<T> getTypeSerializerOut(ClassLoader cl) {
	try {
		return InstantiationUtil.readObjectFromConfig(this.config, TYPE_SERIALIZER_OUT_1, cl);
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate serializer.", e);
	}
}
 

public <T> TypeSerializer<T> getTypeSerializerIn2(ClassLoader cl) {
	try {
		return InstantiationUtil.readObjectFromConfig(this.config, TYPE_SERIALIZER_IN_2, cl);
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate serializer.", e);
	}
}
 

public List<StreamEdge> getOutEdges(ClassLoader cl) {
	try {
		List<StreamEdge> outEdges = InstantiationUtil.readObjectFromConfig(this.config, OUT_STREAM_EDGES, cl);
		return outEdges == null ? new ArrayList<StreamEdge>() : outEdges;
	} catch (Exception e) {
		throw new StreamTaskException("Could not instantiate outputs.", e);
	}
}
 

public Partitioner<?> getOutputPartitioner(int outputNum, final ClassLoader cl) throws ClassNotFoundException {
	try {
		return (Partitioner<?>) InstantiationUtil.readObjectFromConfig(config, OUTPUT_PARTITIONER + outputNum, cl);
	}
	catch (ClassNotFoundException e) {
		throw e;
	}
	catch (Throwable t) {
		throw new RuntimeException("Could not deserialize custom partitioner.", t);
	}
}