Examples with RowBasedPartition com.tencent.angel.ps.storage.partition.RowBasedPartition used on opensource projects

Example 11 with RowBasedPartition

use of com.tencent.angel.ps.storage.partition.RowBasedPartition in project angel by Tencent.

the class GraphMatrixUtils method getPSLongKeyRow.

public static ServerLongAnyRow getPSLongKeyRow(PSContext psContext, PartitionGetParam partParam) {
    ServerMatrix matrix = psContext.getMatrixStorageManager().getMatrix(partParam.getMatrixId());
    ServerPartition part = matrix.getPartition(partParam.getPartKey().getPartitionId());
    return (ServerLongAnyRow) (((RowBasedPartition) part).getRow(0));
}

Example 12 with RowBasedPartition

use of com.tencent.angel.ps.storage.partition.RowBasedPartition in project angel by Tencent.

the class GraphMatrixUtils method getPSIntKeyRow.

public static ServerIntAnyRow getPSIntKeyRow(PSContext psContext, PartitionUpdateParam partParam) {
    ServerMatrix matrix = psContext.getMatrixStorageManager().getMatrix(partParam.getMatrixId());
    ServerPartition part = matrix.getPartition(partParam.getPartKey().getPartitionId());
    return (ServerIntAnyRow) (((RowBasedPartition) part).getRow(0));
}

Example 13 with RowBasedPartition

use of com.tencent.angel.ps.storage.partition.RowBasedPartition in project angel by Tencent.

the class GraphMatrixUtils method getPSAnyKeyRow.

public static ServerAnyAnyRow getPSAnyKeyRow(PSContext psContext, PartitionUpdateParam partParam) {
    ServerMatrix matrix = psContext.getMatrixStorageManager().getMatrix(partParam.getMatrixId());
    ServerPartition part = matrix.getPartition(partParam.getPartKey().getPartitionId());
    return (ServerAnyAnyRow) (((RowBasedPartition) part).getRow(0));
}

Example 14 with RowBasedPartition

use of com.tencent.angel.ps.storage.partition.RowBasedPartition in project angel by Tencent.

the class GraphMatrixUtils method getPSLongKeyRow.

public static ServerLongAnyRow getPSLongKeyRow(PSContext psContext, GeneralPartGetParam partParam) {
    ServerMatrix matrix = psContext.getMatrixStorageManager().getMatrix(partParam.getMatrixId());
    ServerPartition part = matrix.getPartition(partParam.getPartKey().getPartitionId());
    return (ServerLongAnyRow) (((RowBasedPartition) part).getRow(0));
}

Example 15 with RowBasedPartition

use of com.tencent.angel.ps.storage.partition.RowBasedPartition in project angel by Tencent.

the class SampleNeighbor method partitionGet.

@Override
public PartitionGetResult partitionGet(PartitionGetParam partParam) {
    PartSampleNeighborParam param = (PartSampleNeighborParam) partParam;
    ServerMatrix matrix = psContext.getMatrixStorageManager().getMatrix(partParam.getMatrixId());
    ServerPartition part = matrix.getPartition(partParam.getPartKey().getPartitionId());
    ServerLongAnyRow row = (ServerLongAnyRow) (((RowBasedPartition) part).getRow(0));
    long[] nodeIds = param.getNodeIds();
    long[][] neighbors = new long[nodeIds.length][];
    int count = param.getCount();
    Random r = new Random(System.currentTimeMillis());
    for (int i = 0; i < nodeIds.length; i++) {
        long nodeId = nodeIds[i];
        // Get node neighbor number
        Node element = (Node) (row.get(nodeId));
        if (element == null) {
            neighbors[i] = null;
        } else {
            long[] nodeNeighbors = element.getNeighbors();
            if (nodeNeighbors == null || nodeNeighbors.length == 0) {
                neighbors[i] = null;
            } else if (count <= 0 || nodeNeighbors.length <= count) {
                neighbors[i] = nodeNeighbors;
            } else {
                neighbors[i] = new long[count];
                // If the neighbor number > count, just copy a range of neighbors to the result array, the copy position is random
                int startPos = Math.abs(r.nextInt()) % nodeNeighbors.length;
                if (startPos + count <= nodeNeighbors.length) {
                    System.arraycopy(nodeNeighbors, startPos, neighbors[i], 0, count);
                } else {
                    System.arraycopy(nodeNeighbors, startPos, neighbors[i], 0, nodeNeighbors.length - startPos);
                    System.arraycopy(nodeNeighbors, 0, neighbors[i], nodeNeighbors.length - startPos, count - (nodeNeighbors.length - startPos));
                }
            }
        }
    }
    return new PartSampleNeighborResult(part.getPartitionKey().getPartitionId(), neighbors);
}