Package edu.cmu.graphchi.util

Examples of edu.cmu.graphchi.util.IdFloat$Comparator

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        // It would be better to have an iterator for the vertex data.
        VertexAggregator.foreach(engine.numVertices(), graphName, new FloatPairConverter(), new ForeachCallback<FloatPair>() {
            @Override
            public void callback(int vertexId, FloatPair vertexValue) {
                if (vertexValue.first > 0) {
                    results.add(new IdFloat(engine.getVertexIdTranslate().backward(vertexId), vertexValue.first));
                }
            }
        });
        engine = null;
        resultIter = results.iterator();
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    @Override
    protected Tuple getNextResult(TupleFactory tupleFactory) throws ExecException {
        if (resultIter.hasNext()) {
            IdFloat res = resultIter.next();
            Tuple t = tupleFactory.newTuple(2);
            t.set(0, res.getValue());
            t.set(1, res.getVertexId());
            return t;
        } else {
            return null;
        }
    }
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        // Collect results - into memory ... This may consume a lot of memory.
        // It would be better to have an iterator for the vertex data.
        VertexAggregator.foreach(engine.numVertices(), graphName, new FloatPairConverter(), new ForeachCallback<FloatPair>() {
            public void callback(int vertexId, FloatPair vertexValue) {
                if (vertexValue.first > 0) {
                    results.add(new IdFloat(engine.getVertexIdTranslate().backward(vertexId), vertexValue.first));
                }
            }
        });
        engine = null;
        resultIter = results.iterator();
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    @Override
    protected Tuple getNextResult(TupleFactory tupleFactory) throws ExecException {
        if (resultIter.hasNext()) {
            IdFloat res = resultIter.next();
            Tuple t = tupleFactory.newTuple(2);
            t.set(0, res.getValue());
            t.set(1, res.getVertexId());
            return t;
        } else {
            return null;
        }
    }
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