com.google.cloud.dataflow.sdk.values

Class TimestampedValue.TimestampedValueCoder<T>

java.lang.Object

com.google.cloud.dataflow.sdk.coders.StandardCoder<TimestampedValue<T>>

com.google.cloud.dataflow.sdk.values.TimestampedValue.TimestampedValueCoder<T>

All Implemented Interfaces:

Coder<TimestampedValue<T>>, java.io.Serializable

Enclosing class:

TimestampedValue<V>

public static class TimestampedValue.TimestampedValueCoder<T>
extends StandardCoder<TimestampedValue<T>>

Coder for TimestampedValue.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.cloud.dataflow.sdk.coders.Coder

Coder.Context

Method Summary

Methods

Modifier and Type	Method and Description
TimestampedValue<T>	decode(java.io.InputStream inStream, Coder.Context context) Decodes a value of type T from the given input stream in the given context.
void	encode(TimestampedValue<T> windowedElem, java.io.OutputStream outStream, Coder.Context context) Encodes the given value of type T onto the given output stream in the given context.
java.util.List<? extends Coder<?>>	getCoderArguments() If this is a Coder for a parameterized type, returns the list of Coders being used for each of the parameters, or returns null if this cannot be done or this is not a parameterized type.
static <T> java.util.List<java.lang.Object>	getInstanceComponents(TimestampedValue<T> exampleValue)
boolean	isDeterministic() Returns true if the coding is deterministic.
static <T> TimestampedValue.TimestampedValueCoder<T>	of(Coder<T> valueCoder)
static TimestampedValue.TimestampedValueCoder<?>	of(java.util.List<java.lang.Object> components)

Methods inherited from class com.google.cloud.dataflow.sdk.coders.StandardCoder

asCloudObject, equals, getComponents, getEncodedElementByteSize, hashCode, isRegisterByteSizeObserverCheap, registerByteSizeObserver, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

of

public static <T> TimestampedValue.TimestampedValueCoder<T> of(Coder<T> valueCoder)

of

public static TimestampedValue.TimestampedValueCoder<?> of(java.util.List<java.lang.Object> components)

encode

public void encode(TimestampedValue<T> windowedElem,
          java.io.OutputStream outStream,
          Coder.Context context)
            throws java.io.IOException

Description copied from interface: Coder

Encodes the given value of type T onto the given output stream in the given context.

Throws:

java.io.IOException - if writing to the OutputStream fails for some reason

CoderException - if the value could not be encoded for some reason

decode

public TimestampedValue<T> decode(java.io.InputStream inStream,
                         Coder.Context context)
                           throws java.io.IOException

Description copied from interface: Coder

Decodes a value of type T from the given input stream in the given context. Returns the decoded value.

Throws:

java.io.IOException - if reading from the InputStream fails for some reason

CoderException - if the value could not be decoded for some reason

isDeterministic

public boolean isDeterministic()

Description copied from interface: Coder

Returns true if the coding is deterministic.

In order for a Coder to be considered deterministic, the following must be true:

• two values which compare as equal (via Object.equals() or Comparable.compareTo(), if supported), have the same encoding.
• the Coder always produces a canonical encoding, which is the same for an instance of an object even if produced on different computers at different times.

getCoderArguments

public java.util.List<? extends Coder<?>> getCoderArguments()

Description copied from interface: Coder

If this is a Coder for a parameterized type, returns the list of Coders being used for each of the parameters, or returns null if this cannot be done or this is not a parameterized type.

getInstanceComponents

public static <T> java.util.List<java.lang.Object> getInstanceComponents(TimestampedValue<T> exampleValue)