Package edu.cmu.graphchi.datablocks

Examples of edu.cmu.graphchi.datablocks.DataBlockManager.writeValue()

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            while (iter.hasNext()) {
                int j = iter.next();
                ChiPointer ptr = vertexData.getVertexValuePtr(j, blockId);
                VertexDataType oldValue = blockManager.dereference(ptr, conv);
                VertexDataType newValue = callback.map(j, oldValue);
                blockManager.writeValue(ptr, conv, newValue);
            }
            vertexData.releaseAndCommit(i, blockId);
        }

    }
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                    if (iterIdx >= vertexIds.length) break;

                    if (curId == (int) vertexIds[iterIdx]) {
                        ChiPointer pointer = vertexData.getVertexValuePtr(curId, blockId);
                        System.arraycopy(vertexValues, iterIdx * sizeOf, vertexValueTemplate, 0, sizeOf);
                        dataBlockManager.writeValue(pointer, vertexValueTemplate);
                    } else {
                        // No vertex data for that vertex.
                    }

                }
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        assertEquals(vertex.getId(), 1);

        int offset = 1024;
        ChiPointer vertexDataPtr = new ChiPointer(blockId, offset);

        blockMgr.writeValue(vertexDataPtr, floatConv, 3.0f);
        vertex.setDataPtr(vertexDataPtr);

        assertEquals(vertex.getValue(), 3.0f, 1e-15);

        vertex.setValue(999.5f);
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        ChiVertex<Float, Float> vertex = new ChiVertex<Float, Float>(5, new VertexDegree(nInedges, 0));
        assertEquals(vertex.getId(), 5);

        for(int i=0; i < nInedges; i++) {
            blockMgr.writeValue(new ChiPointer(blockId, i * 4), floatConv, (float) Math.sin(i / 2));
            vertex.addInEdge(blockId, i * 4, i * 7 + 5);
        }
        assertEquals(vertex.numOutEdges(), 0);

        assert(vertex.numInEdges() == nInedges);
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        assertEquals(vertex.getId(), 5);

        assertEquals(vertex.numOutEdges(), 0);

        for(int i=0; i < nOutedges; i++) {
            blockMgr.writeValue(new ChiPointer(blockId, i * 4), floatConv, (float) Math.cos(i / 2));
            vertex.addOutEdge(blockId, i * 4, i * 7 + 5);
            assertEquals(vertex.numOutEdges(), i + 1);
        }
        assertEquals(vertex.numInEdges(), 0);

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