TraceWriteBuffer (Jikes RVM API)

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org.mmtk.plan
Class TraceWriteBuffer

java.lang.Object
  org.mmtk.plan.TransitiveClosure
      org.mmtk.plan.TraceWriteBuffer

public final class TraceWriteBuffer
extends TransitiveClosure
extends TransitiveClosure

This class is used to push values in one direction during a trace. It was designed for use in mutators that use write barriers to push work to collector threads during concurrent tracing.

See Also:: TraceLocal

Field Summary
`private WriteBuffer`	`buffer`

Fields inherited from class org.mmtk.plan.TransitiveClosure
`specializedScan`

Constructor Summary
`TraceWriteBuffer(Trace trace)` Constructor

Method Summary
`void`	`flush()` Flush the buffer to the trace.
`boolean`	`isFlushed()`
`void`	`processNode(ObjectReference object)` Enqueue an object during a trace.

Methods inherited from class org.mmtk.plan.TransitiveClosure
`getSpecializedScanClass, processEdge, registerSpecializedScan`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

buffer

private final WriteBuffer buffer

Constructor Detail

TraceWriteBuffer

public TraceWriteBuffer(Trace trace)

Constructor

Parameters:: trace - The global trace class to use.

Method Detail

flush

public void flush()

Flush the buffer to the trace.

isFlushed

public boolean isFlushed()

Returns:: true if the buffer is flushed.

processNode

public void processNode(ObjectReference object)

Enqueue an object during a trace.

Overrides:: processNode in class TransitiveClosure

Parameters:: object - The object to enqueue