Revert "Removed TimeInterval Stuff"

This reverts commit 6043f1d.

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/AngularMomentumHandler.java

@@ -17,7 +17,7 @@
 import us.ihmc.robotics.math.trajectories.generators.MultipleWaypointsPoseTrajectoryGenerator;
 import us.ihmc.robotics.robotSide.RobotSide;
 import us.ihmc.robotics.robotSide.SideDependentList;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 import us.ihmc.scs2.definition.yoGraphic.YoGraphicDefinition;
 import us.ihmc.scs2.definition.yoGraphic.YoGraphicGroupDefinition;
 import us.ihmc.yoVariables.euclid.referenceFrame.YoFrameVector2D;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/BipedContactSequenceTools.java

@@ -8,7 +8,7 @@
 import us.ihmc.humanoidRobotics.footstep.FootstepTiming;
 import us.ihmc.robotics.robotSide.RobotSide;
 import us.ihmc.robotics.robotSide.SideDependentList;
-import us.ihmc.commons.time.TimeIntervalTools;
+import us.ihmc.robotics.time.TimeIntervalTools;
 
 import java.util.Comparator;
 import java.util.List;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/BipedContactSequenceUpdater.java

@@ -14,7 +14,7 @@
 import us.ihmc.mecano.frames.MovingReferenceFrame;
 import us.ihmc.robotics.robotSide.RobotSide;
 import us.ihmc.robotics.robotSide.SideDependentList;
-import us.ihmc.commons.time.TimeIntervalTools;
+import us.ihmc.robotics.time.TimeIntervalTools;
 import us.ihmc.yoVariables.euclid.referenceFrame.YoFramePoint2D;
 import us.ihmc.yoVariables.registry.YoRegistry;
 

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/BipedStepTransition.java

@@ -5,7 +5,7 @@
 import us.ihmc.euclid.referenceFrame.interfaces.FramePose3DReadOnly;
 import us.ihmc.robotics.robotSide.RobotSide;
 import us.ihmc.robotics.robotSide.SideDependentList;
-import us.ihmc.commons.time.TimeInterval;
+import us.ihmc.robotics.time.TimeInterval;
 
 import java.util.ArrayList;
 import java.util.List;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/BipedTimedStep.java

@@ -3,10 +3,10 @@
 import us.ihmc.euclid.referenceFrame.FramePose3D;
 import us.ihmc.euclid.tuple2D.Point2D;
 import us.ihmc.robotics.robotSide.RobotSide;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
-import us.ihmc.commons.time.TimeIntervalReadOnly;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalReadOnly;
 
 import java.util.List;
 

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/SimpleBipedContactPhase.java

@@ -11,8 +11,8 @@
 import us.ihmc.euclid.referenceFrame.interfaces.FrameVector3DReadOnly;
 import us.ihmc.robotics.robotSide.RobotSide;
 import us.ihmc.robotics.robotSide.SideDependentList;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 
 import java.util.ArrayList;
 import java.util.List;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/ThreePotatoAngularMomentumCalculator.java

@@ -28,8 +28,8 @@
 import us.ihmc.robotics.robotSide.RobotSide;
 import us.ihmc.robotics.robotSide.SideDependentList;
 import us.ihmc.robotics.time.ExecutionTimer;
-import us.ihmc.commons.time.TimeIntervalProvider;
-import us.ihmc.commons.time.TimeIntervalReadOnly;
+import us.ihmc.robotics.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalReadOnly;
 import us.ihmc.scs2.definition.visual.ColorDefinitions;
 import us.ihmc.scs2.definition.yoGraphic.YoGraphicDefinition;
 import us.ihmc.scs2.definition.yoGraphic.YoGraphicDefinitionFactory;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/CoMTrajectorySegment.java

@@ -11,9 +11,9 @@
 import us.ihmc.euclid.tuple3D.Point3D;
 import us.ihmc.euclid.tuple3D.interfaces.Point3DReadOnly;
 import us.ihmc.robotics.math.trajectories.interfaces.FixedFramePositionTrajectoryGenerator;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 import static us.ihmc.commonWalkingControlModules.dynamicPlanning.comPlanning.CoMTrajectoryPlannerTools.sufficientlyLarge;
 

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/ContactStateProvider.java

@@ -7,7 +7,7 @@
 import us.ihmc.euclid.tuple3D.interfaces.Point3DReadOnly;
 import us.ihmc.euclid.tuple3D.interfaces.Vector3DReadOnly;
 import us.ihmc.mecano.multiBodySystem.interfaces.RigidBodyBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 import java.util.List;
 

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/ContactStateProviderTools.java

@@ -1,6 +1,6 @@
 package us.ihmc.commonWalkingControlModules.dynamicPlanning.comPlanning;
 
-import us.ihmc.commons.time.TimeIntervalTools;
+import us.ihmc.robotics.time.TimeIntervalTools;
 
 import java.util.List;
 

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/LinearCoMTrajectoryHandler.java

@@ -15,7 +15,7 @@
 import us.ihmc.robotics.math.trajectories.generators.MultipleSegmentPositionTrajectoryGenerator;
 import us.ihmc.robotics.math.trajectories.interfaces.Polynomial3DBasics;
 import us.ihmc.robotics.math.trajectories.interfaces.Polynomial3DReadOnly;
-import us.ihmc.commons.time.TimeIntervalReadOnly;
+import us.ihmc.robotics.time.TimeIntervalReadOnly;
 import us.ihmc.yoVariables.registry.YoRegistry;
 
 import java.util.ArrayList;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/MultipleCoMSegmentTrajectoryGenerator.java

@@ -4,7 +4,7 @@
 import us.ihmc.euclid.referenceFrame.ReferenceFrame;
 import us.ihmc.euclid.referenceFrame.interfaces.FramePoint3DReadOnly;
 import us.ihmc.robotics.math.trajectories.generators.MultipleSegmentPositionTrajectoryGenerator;
-import us.ihmc.commons.time.TimeIntervalReadOnly;
+import us.ihmc.robotics.time.TimeIntervalReadOnly;
 import us.ihmc.yoVariables.registry.YoRegistry;
 
 import static us.ihmc.robotics.math.trajectories.generators.MultipleWaypointsTrajectoryGenerator.defaultMaximumNumberOfWaypoints;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/SettableContactStateProvider.java

@@ -6,9 +6,9 @@
 import us.ihmc.euclid.referenceFrame.interfaces.FramePoint3DReadOnly;
 import us.ihmc.euclid.referenceFrame.interfaces.FrameVector3DReadOnly;
 import us.ihmc.euclid.tuple2D.interfaces.Point2DReadOnly;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalReadOnly;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalReadOnly;
 
 import java.util.ArrayList;
 import java.util.List;

ihmc-common-walking-control-modules/src/main/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/TimedContactInterval.java

@@ -2,8 +2,8 @@
 
 import us.ihmc.euclid.geometry.ConvexPolygon2D;
 import us.ihmc.euclid.geometry.interfaces.ConvexPolygon2DReadOnly;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 public class TimedContactInterval implements TimeIntervalProvider
 {

ihmc-common-walking-control-modules/src/test/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/AngularMomentumHandlerTest.java

@@ -25,7 +25,7 @@
 import us.ihmc.robotics.math.trajectories.generators.MultipleSegmentPositionTrajectoryGenerator;
 import us.ihmc.robotics.math.trajectories.interfaces.FramePolynomial3DBasics;
 import us.ihmc.robotics.robotSide.RobotSide;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 import us.ihmc.yoVariables.parameters.DefaultParameterReader;
 import us.ihmc.yoVariables.registry.YoRegistry;
 

ihmc-common-walking-control-modules/src/test/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/BipedContactSequenceUpdaterTest.java

@@ -12,7 +12,7 @@
 import us.ihmc.mecano.frames.MovingReferenceFrame;
 import us.ihmc.robotics.robotSide.RobotSide;
 import us.ihmc.robotics.robotSide.SideDependentList;
-import us.ihmc.commons.time.TimeInterval;
+import us.ihmc.robotics.time.TimeInterval;
 
 import java.util.ArrayList;
 import java.util.List;

ihmc-common-walking-control-modules/src/test/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/bipedPlanning/ECMPTrajectoryCalculatorTest.java

@@ -18,8 +18,8 @@
 import us.ihmc.robotics.math.trajectories.generators.MultipleSegmentPositionTrajectoryGenerator;
 import us.ihmc.robotics.math.trajectories.interfaces.*;
 import us.ihmc.robotics.robotSide.RobotSide;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 import us.ihmc.yoVariables.parameters.DefaultParameterReader;
 import us.ihmc.yoVariables.registry.YoRegistry;
 

ihmc-common-walking-control-modules/src/test/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/CoMTrajectoryPlannerInterfaceTest.java

@@ -16,7 +16,7 @@
 import us.ihmc.euclid.tools.EuclidCoreTestTools;
 import us.ihmc.euclid.tuple3D.Point3D;
 import us.ihmc.euclid.tuple3D.Vector3D;
-import us.ihmc.commons.time.TimeInterval;
+import us.ihmc.robotics.time.TimeInterval;
 import us.ihmc.yoVariables.registry.YoRegistry;
 import us.ihmc.yoVariables.variable.YoDouble;
 

ihmc-common-walking-control-modules/src/test/java/us/ihmc/commonWalkingControlModules/dynamicPlanning/comPlanning/ComTrajectoryPlannerTest.java

@@ -9,7 +9,7 @@
 import us.ihmc.euclid.referenceFrame.interfaces.FrameVector3DReadOnly;
 import us.ihmc.euclid.tools.EuclidCoreTestTools;
 import us.ihmc.euclid.tuple2D.Point2D;
-import us.ihmc.commons.time.TimeInterval;
+import us.ihmc.robotics.time.TimeInterval;
 
 import java.util.Random;
 

ihmc-graphics/src/libgdx/java/us/ihmc/rdx/visualizers/RDXPolynomial.java

@@ -13,9 +13,9 @@
 import us.ihmc.graphicsDescription.appearance.YoAppearance;
 import us.ihmc.graphicsDescription.yoGraphics.YoGraphicPolynomial3D;
 import us.ihmc.robotics.math.trajectories.interfaces.PolynomialReadOnly;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalReadOnly;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalReadOnly;
 import us.ihmc.yoVariables.providers.DoubleProvider;
 import us.ihmc.yoVariables.providers.IntegerProvider;
 import us.ihmc.yoVariables.registry.YoRegistry;

ihmc-humanoid-robotics/src/main/java/us/ihmc/humanoidRobotics/communication/controllerAPI/command/TimeIntervalCommand.java

@@ -4,7 +4,7 @@
 import us.ihmc.commons.MathTools;
 import us.ihmc.communication.controllerAPI.command.Command;
 import us.ihmc.euclid.tools.EuclidCoreTools;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 
 public class TimeIntervalCommand implements Command<TimeIntervalCommand, TimeIntervalMessage>
 {

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/FixedFramePolynomialEstimator3D.java

@@ -10,8 +10,8 @@
 import us.ihmc.euclid.tuple3D.interfaces.Vector3DReadOnly;
 import us.ihmc.robotics.math.trajectories.core.Polynomial3DFrameFactories;
 import us.ihmc.robotics.math.trajectories.interfaces.FixedFramePositionTrajectoryGenerator;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 public class FixedFramePolynomialEstimator3D implements FixedFramePositionTrajectoryGenerator, TimeIntervalProvider, Settable<FixedFramePolynomialEstimator3D>
 {

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/PolynomialEstimator.java

@@ -6,9 +6,9 @@
 import org.ejml.interfaces.linsol.LinearSolverDense;
 import us.ihmc.euclid.interfaces.Settable;
 import us.ihmc.matrixlib.MatrixTools;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 public class PolynomialEstimator implements TimeIntervalProvider, Settable<PolynomialEstimator>
 {

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/PolynomialEstimator3D.java

@@ -7,8 +7,8 @@
 import us.ihmc.euclid.tuple3D.interfaces.Vector3DReadOnly;
 import us.ihmc.robotics.math.trajectories.core.Trajectory3DFactories;
 import us.ihmc.robotics.math.trajectories.interfaces.PositionTrajectoryGenerator;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 public class PolynomialEstimator3D implements PositionTrajectoryGenerator, TimeIntervalProvider, Settable<PolynomialEstimator3D>
 {

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/abstracts/AbstractFramePolynomial3D.java

@@ -13,7 +13,7 @@
 import us.ihmc.robotics.math.trajectories.interfaces.Polynomial3DBasics;
 import us.ihmc.robotics.math.trajectories.core.Polynomial3DFrameFactories;
 import us.ihmc.robotics.math.trajectories.interfaces.PolynomialBasics;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 
 public class AbstractFramePolynomial3D implements FramePolynomial3DBasics
 {

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/abstracts/AbstractPolynomial3D.java

@@ -11,7 +11,7 @@
 import us.ihmc.robotics.math.trajectories.interfaces.PolynomialBasics;
 import us.ihmc.robotics.math.trajectories.interfaces.PositionTrajectoryGenerator;
 import us.ihmc.robotics.math.trajectories.yoVariables.YoPolynomial;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 
 import java.util.List;
 

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/core/Polynomial.java

@@ -4,8 +4,8 @@
 import org.ejml.dense.row.factory.LinearSolverFactory_DDRM;
 import org.ejml.interfaces.linsol.LinearSolverDense;
 import us.ihmc.robotics.math.trajectories.interfaces.PolynomialBasics;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 
 /**
  * Used to compute the value and 1st and 2nd order derivatives of a polynomial.

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/core/Trajectory3DFactories.java

@@ -5,8 +5,8 @@
 import us.ihmc.euclid.tuple3D.interfaces.Point3DBasics;
 import us.ihmc.euclid.tuple3D.interfaces.Point3DReadOnly;
 import us.ihmc.euclid.tuple3D.interfaces.Vector3DBasics;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 import us.ihmc.yoVariables.providers.DoubleProvider;
 
 import java.util.function.DoubleConsumer;

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/generators/MultipleSegmentPositionTrajectoryGenerator.java

@@ -6,9 +6,9 @@
 import us.ihmc.euclid.referenceFrame.ReferenceFrame;
 import us.ihmc.euclid.referenceFrame.interfaces.*;
 import us.ihmc.robotics.math.trajectories.interfaces.FixedFramePositionTrajectoryGenerator;
-import us.ihmc.commons.time.TimeIntervalProvider;
-import us.ihmc.commons.time.TimeIntervalReadOnly;
-import us.ihmc.commons.time.TimeIntervalTools;
+import us.ihmc.robotics.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalReadOnly;
+import us.ihmc.robotics.time.TimeIntervalTools;
 import us.ihmc.yoVariables.euclid.referenceFrame.YoFramePoint3D;
 import us.ihmc.yoVariables.euclid.referenceFrame.YoFrameVector3D;
 import us.ihmc.yoVariables.registry.YoRegistry;

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/interfaces/Polynomial3DReadOnly.java

@@ -3,8 +3,8 @@
 import org.ejml.data.DMatrixRMaj;
 import us.ihmc.euclid.Axis3D;
 import us.ihmc.euclid.tuple3D.interfaces.Tuple3DReadOnly;
-import us.ihmc.commons.time.TimeIntervalBasics;
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 public interface Polynomial3DReadOnly extends PositionTrajectoryGenerator, TimeIntervalProvider
 {

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/interfaces/PolynomialReadOnly.java

@@ -1,6 +1,6 @@
 package us.ihmc.robotics.math.trajectories.interfaces;
 
-import us.ihmc.commons.time.TimeIntervalProvider;
+import us.ihmc.robotics.time.TimeIntervalProvider;
 
 public interface PolynomialReadOnly extends TimeIntervalProvider, DoubleTrajectoryGenerator
 {

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/math/trajectories/yoVariables/YoPolynomial.java

@@ -7,8 +7,8 @@
 import us.ihmc.graphicsDescription.yoGraphics.YoGraphicPolynomial3D.PolynomialVariableHolder;
 import us.ihmc.robotics.math.trajectories.core.PolynomialTools;
 import us.ihmc.robotics.math.trajectories.interfaces.PolynomialBasics;
-import us.ihmc.commons.time.TimeInterval;
-import us.ihmc.commons.time.TimeIntervalBasics;
+import us.ihmc.robotics.time.TimeInterval;
+import us.ihmc.robotics.time.TimeIntervalBasics;
 import us.ihmc.yoVariables.registry.YoRegistry;
 import us.ihmc.yoVariables.variable.YoBoolean;
 import us.ihmc.yoVariables.variable.YoDouble;

ihmc-robotics-toolkit/src/main/java/us/ihmc/robotics/time/TimeInterval.java

@@ -0,0 +1,59 @@
+package us.ihmc.robotics.time;
+
+import us.ihmc.euclid.tools.EuclidCoreIOTools;
+
+public class TimeInterval implements TimeIntervalBasics
+{
+   private double startTime;
+   private double endTime;
+
+   public TimeInterval()
+   {
+      this(Double.NaN, Double.NaN);
+   }
+
+   public TimeInterval(TimeInterval timeInterval)
+   {
+      this(timeInterval.getStartTime(), timeInterval.getEndTime());
+   }
+
+   public TimeInterval(double startTime, double endTime)
+   {
+      setInterval(startTime, endTime);
+      checkInterval();
+   }
+
+   public double getStartTime()
+   {
+      return startTime;
+   }
+
+   /**
+    * Use the interval setter when using this method! Otherwise, an incorrect interval may be set.
+    */
+   @Deprecated
+   public void setStartTime(double startTime)
+   {
+      this.startTime = startTime;
+   }
+
+   public double getEndTime()
+   {
+      return endTime;
+   }
+
+   /**
+    * Use the interval setter when using this method! Otherwise, an incorrect interval may be set.
+    */
+   @Deprecated
+   public void setEndTime(double endTime)
+   {
+      this.endTime = endTime;
+   }
+
+   @Override
+   public String toString()
+   {
+      return EuclidCoreIOTools.getStringOf("(", " )", ", ", getStartTime(), getEndTime());
+   }
+}