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src/src/main/java/com/my/graphiteDigesterBg/step/StepMoveToLiquidPlate.java

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+package com.my.graphiteDigesterBg.step;
+import com.my.graphiteDigesterBg.diframe.DiTask;
+import com.my.graphiteDigesterBg.diframe.DiTaskStepBase;
+import com.my.graphiteDigesterBg.diframe.TaskStep;
+import com.my.graphiteDigesterBg.move.MoveMoveTubeRackFromHeatPlateToLiquidPlate;
+import com.my.graphiteDigesterBg.resource.ResHeatingTubeRackSlot;
+import com.my.graphiteDigesterBg.resource.ResHeatingTubeRackSlotManager;
+import com.my.graphiteDigesterBg.task.TaskDigestion;
+import java.util.Timer;
+import java.util.TimerTask;
+@TaskStep(name="MoveToLiquidPlate")
+public class StepMoveToLiquidPlate extends DiTaskStepBase {
+    @Override
+    public void run() {
+        TaskDigestion task = (TaskDigestion)this.getTask();
+        var slot = task.getSlot();
+
+        // 如果试管架在加液板位置，则不需要移动
+        if (ResHeatingTubeRackSlot.LOCATION_LIQUID_PLATE.equals(slot.rackPosition)) {
+            return;
+        }
+
+        var isReady = this.waitForLiquidPlate();
+        if ( !isReady ) {
+            return;
+        }
+
+        // 移动试管架至加热板位置
+        slot.setRackPosition(ResHeatingTubeRackSlot.LOCATION_LIQUID_PLATE);
+        var move = new MoveMoveTubeRackFromHeatPlateToLiquidPlate();
+        move.setDevice(task.getDevice());
+        move.slotIndex = slot.index;
+        move.run();
+    }
+
+    // 等待加液板位置空闲
+    private Boolean waitForLiquidPlate() {
+        TaskDigestion task = (TaskDigestion)this.getTask();
+        var slotMan = task.getResourceManager(ResHeatingTubeRackSlotManager.class);
+        if ( null == slotMan.getSlotAtLiquidPlate() ) {
+            return true;
+        }
+
+        LOG.info("等待加液板位置空闲 ...");
+        task.setStatus(DiTask.TaskStatus.STEP_WAITING);
+
+        var timerTask = new TimerTask() {
+            @Override
+            public void run() {
+                task.setStatus(DiTask.TaskStatus.READY);
+            }
+        };
+        var timer = new Timer();
+        timer.schedule(timerTask, 1000);
+        return false;
+    }
+}