Examples of eu.stratosphere.compiler.plan.Channel.clone()

          // be ANY_PARTITIONING on fields (0) and one channel is range partitioned on that field, the other is hash
          // partitioned on that field. 
          if (!igps.isTrivial() && !(p1.equals(p2))) {
            if (c1.getShipStrategy() == ShipStrategyType.FORWARD && c2.getShipStrategy() != ShipStrategyType.FORWARD) {
              // adjust c2 to c1
              c2 = c2.clone();
              p1.parameterizeChannel(c2,globalDopChange2);
            } else if (c2.getShipStrategy() == ShipStrategyType.FORWARD && c1.getShipStrategy() != ShipStrategyType.FORWARD) {
              // adjust c1 to c2
              c1 = c1.clone();
              p2.parameterizeChannel(c1,globalDopChange1);

              p2.parameterizeChannel(c1,globalDopChange1);
            } else if (c1.getShipStrategy() == ShipStrategyType.FORWARD && c2.getShipStrategy() == ShipStrategyType.FORWARD) {
              boolean adjustC1 = c1.getEstimatedOutputSize() <= 0 || c2.getEstimatedOutputSize() <= 0 ||
                  c1.getEstimatedOutputSize() <= c2.getEstimatedOutputSize();
              if (adjustC1) {
                c2 = c2.clone();
                p1.parameterizeChannel(c2, globalDopChange2);
              } else {
                c1 = c1.clone();
                p2.parameterizeChannel(c1, globalDopChange1);
              }

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