Author: [log in to unmask]
Date: Fri May 22 13:39:10 2015
New Revision: 3615
Log:
Add copy constructor and implementation of clone to BaseCluster. LCSIM-247
Modified:
projects/lcsim/trunk/event-model/src/main/java/org/lcsim/event/base/BaseCluster.java
Modified: projects/lcsim/trunk/event-model/src/main/java/org/lcsim/event/base/BaseCluster.java
=============================================================================
--- projects/lcsim/trunk/event-model/src/main/java/org/lcsim/event/base/BaseCluster.java (original)
+++ projects/lcsim/trunk/event-model/src/main/java/org/lcsim/event/base/BaseCluster.java Fri May 22 13:39:10 2015
@@ -22,7 +22,8 @@
* <li>Added access to particle ID based on the official API.</li>
* <li>Added a few utility methods for adding lists of hits and clusters.</li>
* <li>Added a method for setting a hit contribution that is different from the corrected energy.</li>
- * <li>Simplified the {@link #calculateProperties()} method so it doesn't do a bunch of array copies.</li>
+ * <li>Simplified the {@link #calculateProperties()} method so that it doesn't do a bunch of array copies.</li>
+ * <li>Added a copy constructor and implementation of {@link #clone()} method.</li>
* </ul>
*
* @see org.lcsim.event.Cluster
@@ -71,15 +72,16 @@
* The energy given here will override the value calculated from the hits. If this is not
* desired, then another constructor should be used instead. This constructor does not
* allow setting hit contributions that are different from the hit energies.
- * @param hits The list of hits.
- * @param energy The total energy.
- * @param energyError The energy error.
- * @param position The position.
- * @param positionError The position error.
- * @param iphi The intrinsic phi.
- * @param itheta The intrinsic theta.
- * @param directionError The direction error.
- * @param shapeParameters The shape parameters.
+ *
+ * @param hits the list of hits
+ * @param energy the total energy
+ * @param energyError the energy error
+ * @param position the position
+ * @param positionError the position error
+ * @param iphi the intrinsic phi
+ * @param itheta the intrinsic theta
+ * @param directionError the direction error
+ * @param shapeParameters the shape parameters
*/
public BaseCluster(
List<CalorimeterHit> hits,
@@ -116,9 +118,72 @@
}
/**
+ * Copy constructor, which will create new arrays and lists in this object so the copied cluster's
+ * data is not incorrectly referenced.
+ * <p>
+ * The hits in the <code>CalorimeterHit</code> list are not themselves copied.
+ *
+ * @param cluster the <code>BaseCluster</code> to copy
+ */
+ public BaseCluster(BaseCluster cluster) {
+
+ // Copy the hit list; the hits themselves are *not* copied.
+ for (CalorimeterHit hit : cluster.getCalorimeterHits()) {
+ this.hits.add(hit);
+ }
+
+ // Copy hit contributions.
+ this.hitContributions = new ArrayList<Double>();
+ for (Double contribution : cluster.getHitContributions()) {
+ this.hitContributions.add(contribution);
+ }
+
+ // Set energy and energy error.
+ this.energy = cluster.getEnergy();
+ this.energyError = cluster.getEnergyError();
+
+ // Copy position into new array.
+ this.position = new double[cluster.getPosition().length];
+ System.arraycopy(cluster.getPosition(), 0, this.position, 0, cluster.getPosition().length);
+
+ // Copy position error into new array.
+ this.positionError = new double[cluster.getPositionError().length];
+ System.arraycopy(cluster.getPositionError(), 0, this.positionError, 0, cluster.getPositionError().length);
+
+ // Set iphi and itheta.
+ this.iphi = cluster.getIPhi();
+ this.itheta = cluster.getITheta();
+
+ // Copy direction error into new array.
+ this.directionError = new double[cluster.getDirectionError().length];
+ System.arraycopy(cluster.getDirectionError(), 0, this.directionError, 0, cluster.getDirectionError().length);
+
+ // Copy shape parameters into new array.
+ this.shapeParameters = new double[cluster.getShape().length];
+ System.arraycopy(cluster.getShape(), 0, this.shapeParameters, 0, cluster.getShape().length);
+
+ // Copy type and PID.
+ this.type = cluster.getType();
+ this.pid = cluster.getParticleId();
+
+ // Set needs property calculation.
+ this.needsPropertyCalculation = cluster.needsPropertyCalculation();
+ }
+
+ /**
+ * Clone to a new object using the copy constructor.
+ *
+ * @return the new object
+ */
+ public Object clone() {
+ return new BaseCluster(this);
+ }
+
+ /**
* Basic constructor that takes a list of hits.
* It will apply the default energy calculation.
- * @param hits The list of CalorimeterHits.
+ *
+ * @param hits the list of CalorimeterHits
*/
public BaseCluster(List<CalorimeterHit> hits) {
addHits(hits);
@@ -132,8 +197,9 @@
/**
* Get the list of CalorimeterHits of this cluster.
+ *
* The hits are not necessarily unique in the list.
- * @return The hits comprising the cluster.
+ * @return the hits comprising the cluster
*/
public List<CalorimeterHit> getCalorimeterHits() {
return hits;
@@ -141,7 +207,7 @@
/**
* Get the clusters that are part of this cluster.
- * @return The clusters comprising the cluster.
+ * @return the clusters comprising the cluster
*/
public List<Cluster> getClusters() {
return clusters;
@@ -150,7 +216,8 @@
/**
* Get the energy of the cluster, which by default will be the
* sum of the CalorimeterHit corrected energy values.
- * @return The energy of the cluster.
+ *
+ * @return the energy of the cluster
*/
public double getEnergy() {
return energy;
@@ -158,7 +225,8 @@
/**
* Get the energy error.
- * @return The energy error.
+ *
+ * @return the energy error
*/
public double getEnergyError() {
return energyError;
@@ -171,7 +239,8 @@
* but the contributions may be set to different values
* on a per hit basis using the {@link #addHit(CalorimeterHit, double)}
* method.
- * @return The individual hit contribution energies.
+ *
+ * @return the individual hit contribution energies
*/
public double[] getHitContributions() {
double[] arrayCopy = new double[hitContributions.size()];
@@ -184,7 +253,8 @@
/**
* Get the list of subdetector energy contributions.
* The ordering and meaning of this array is unspecified by this class.
- * @return The list of subdetector energy contributions.
+ *
+ * @return the list of subdetector energy contributions
*/
public double[] getSubdetectorEnergies() {
return subdetectorEnergies;
@@ -192,7 +262,7 @@
/**
* Get a value defining the type of this cluster.
- * @return The type of this cluster.
+ * @return the type of this cluster
*/
public int getType() {
return type;
@@ -201,7 +271,8 @@
/**
* Get the number of hits in the cluster, including hits in sub-clusters.
* Hits belonging to more than one cluster are counted once.
- * @return The size of the cluster.
+ *
+ * @return the size of the cluster
*/
public int getSize() {
Set<CalorimeterHit> hitSet = new HashSet<CalorimeterHit>(this.hits);
@@ -215,7 +286,8 @@
/**
* Get the intrinsic phi direction of the cluster.
- * @return The intrinsic phi direction of the cluster.
+ *
+ * @return the intrinsic phi direction of the cluster
*/
public double getIPhi() {
checkCalculateProperties();
@@ -224,7 +296,7 @@
/**
* Get the intrinsic theta direction of the cluster.
- * @return The intrinsic theta direction of the cluster.
+ * @return the intrinsic theta direction of the cluster
*/
public double getITheta() {
checkCalculateProperties();
@@ -233,7 +305,7 @@
/**
* Get the direction error of the cluster as a double array of size 6.
- * @return The direction error of the cluster.
+ * @return the direction error of the cluster
*/
public double[] getDirectionError() {
checkCalculateProperties();
@@ -242,7 +314,7 @@
/**
* Get the position of the cluster as a double array of size 3.
- * @return The position of the cluster.
+ * @return the position of the cluster
*/
public double[] getPosition() {
checkCalculateProperties();
@@ -251,7 +323,8 @@
/**
* Get the position error of the cluster as a double array of size 6.
- * @return The position error of the cluster.
+ *
+ * @return the position error of the cluster
*/
public double[] getPositionError() {
checkCalculateProperties();
@@ -260,7 +333,8 @@
/**
* Get the shape parameters of the cluster as a double array of unspecified size.
- * @return The shape parameters of the cluster.
+ *
+ * @return the shape parameters of the cluster
*/
public double[] getShape() {
checkCalculateProperties();
@@ -269,7 +343,8 @@
/**
* Get the PDG ID of the particle hypothesis.
- * @return The PID.
+ *
+ * @return the PID
*/
public int getParticleId() {
return pid;
@@ -283,8 +358,9 @@
/**
* Set the position of the cluster.
- * @param position The position of the cluster.
- * @throws IllegalArgumentException if array is wrong size.
+ *
+ * @param position the position of the cluster
+ * @throws IllegalArgumentException if array is wrong size
*/
public void setPosition(double[] position) {
if (position.length != 3) {
@@ -295,8 +371,9 @@
/**
* Set the position error of the cluster.
- * @param positionError The position error of the cluster.
- * @throws IllegalArgumentException if array is wrong size.
+ *
+ * @param positionError the position error of the cluster
+ * @throws IllegalArgumentException if array is wrong size
*/
public void setPositionError(double[] positionError) {
if (positionError.length != 6) {
@@ -307,7 +384,8 @@
/**
* Set the intrinsic phi of the cluster.
- * @param iphi The intrinsic phi of the cluster.
+ *
+ * @param iphi the intrinsic phi of the cluster
*/
public void setIPhi(double iphi) {
this.iphi = iphi;
@@ -315,6 +393,7 @@
/**
* Set the intrinsic theta of the cluster.
+ *
* @param iphi The intrinsic theta of the cluster.
*/
public void setITheta(double itheta) {
@@ -322,9 +401,10 @@
}
/**
- * Set the direction error of the cluster.
- * @param directionError The direction error of the cluster.
- * @throws IllegalArgumentException if array is wrong size.
+ * Set the direction error of the cluster.
+ *
+ * @param directionError the direction error of the cluster
+ * @throws IllegalArgumentException if array is wrong size
*/
public void setDirectionError(double[] directionError) {
if (directionError.length != 6) {
@@ -335,7 +415,8 @@
/**
* Set the shape parameters of the cluster.
- * @param shapeParameters The shape parameters.
+ *
+ * @param shapeParameters the shape parameters
*/
public void setShapeParameters(double[] shapeParameters) {
this.shapeParameters = shapeParameters;
@@ -343,7 +424,8 @@
/**
* Set the type of the cluster.
- * @param type The type of the cluster.
+ *
+ * @param type the type of the cluster
*/
public void setType(int type) {
this.type = type;
@@ -351,7 +433,8 @@
/**
* Get the PDG ID of the particle hypothesis.
- * @return The PID.
+ *
+ * @return the PID
*/
public void setParticleId(int pid) {
this.pid = pid;
@@ -361,7 +444,8 @@
* Set a total energy of this cluster, overriding any energy
* value that may have been automatically calculated from
* hit energies.
- * @param energy The total energy of this cluster.
+ *
+ * @param energy the total energy of this cluster
*/
public void setEnergy(double energy) {
this.energy = energy;
@@ -369,7 +453,8 @@
/**
* Set the error on the energy measurement.
- * @param energyError The error on the energ measurement.
+ *
+ * @param energyError the error on the energ measurement
*/
public void setEnergyError(double energyError) {
this.energyError = energyError;
@@ -377,7 +462,8 @@
/**
* Set the subdetector energies.
- * @param subdetectorEnergies The subdetector energies.
+ *
+ * @param subdetectorEnergies the subdetector energies
*/
public void setSubdetectorEnergies(double[] subdetectorEnergies) {
this.subdetectorEnergies = subdetectorEnergies;
@@ -391,7 +477,8 @@
/**
* Add a list of hits to the cluster.
- * @param The list of hits to add.
+ *
+ * @param the list of hits to add
*/
public void addHits(List<CalorimeterHit> hits) {
for (CalorimeterHit hit : hits) {
@@ -401,7 +488,8 @@
/**
* Add a list of sub-clusters to the cluster.
- * @param The list of clusters to add.
+ *
+ * @param the list of clusters to add
*/
public void addClusters(List<Cluster> clusters) {
for (Cluster cluster : clusters) {
@@ -411,7 +499,8 @@
/**
* Add a sub-cluster to the cluster.
- * @param cluster The cluster to add.
+ *
+ * @param cluster the cluster to add
*/
public void addCluster(Cluster cluster) {
clusters.add(cluster);
@@ -426,7 +515,8 @@
/**
* Add a hit to the cluster with default energy contribution.
- * @param hit The hit to add.
+ *
+ * @param hit the hit to add
*/
public void addHit(CalorimeterHit hit) {
addHit(hit, hit.getCorrectedEnergy());
@@ -435,8 +525,9 @@
/**
* Add a hit to the cluster with specified energy contribution.
- * @param hit The hit to add.
- * @param contribution The energy contribution of the hit [GeV].
+ *
+ * @param hit the hit to add
+ * @param contribution the energy contribution of the hit [GeV]
*/
public void addHit(CalorimeterHit hit, double contribution) {
hits.add(hit);
@@ -447,7 +538,8 @@
/**
* Remove a hit from the cluster.
- * @param hit The hit to remove.
+ *
+ * @param hit the hit to remove
*/
public void removeHit(CalorimeterHit hit) {
int index = hits.indexOf(hit);
@@ -475,23 +567,26 @@
/**
* Set a property calculator for computing position, etc.
- * @param calc The property calculator.
+ *
+ * @param calc the property calculator
*/
public void setPropertyCalculator(ClusterPropertyCalculator calc) {
this.calc = calc;
}
/**
- * True if property calculator is set.
- * @return True if property calculator is set.
+ * Return <code>true</code> if property calculator is set.
+ *
+ * @return <code>true</code> if property calculator is set
*/
public boolean hasPropertyCalculator() {
return calc != null;
}
/**
- * True if cluster is flagged as needed a property calculation.
- * @return True if cluster needs property calculation.
+ * Return <code>true</code> if cluster is flagged as needed a property calculation.
+ *
+ * @return <code>true</code> if cluster needs property calculation
*/
public boolean needsPropertyCalculation() {
return needsPropertyCalculation;
@@ -499,7 +594,8 @@
/**
* Manually set whether the cluster needs property calculation.
- * @param needsPropertyCalculation Whether the cluster needs property calculation.
+ *
+ * @param needsPropertyCalculation <code>true</code> if cluster needs property calculation
*/
public void setNeedsPropertyCalculation(boolean needsPropertyCalculation) {
this.needsPropertyCalculation = needsPropertyCalculation;
@@ -509,11 +605,11 @@
*
* Calculate the properties of this cluster using the current
* <code>ClusterPropertyCalculator</code>. The calculated properties will be
- * set on the following class variables:<br/>
+ * set on the following class variables:<br/>
* {@link #position}, {@link #positionError},
* {@link #iphi}, {@link #itheta}, {@link #directionError},
- * and {@link #shapeParameters}. The cluster will then be flagged
- * as not needing a property calculation in its current state.
+ * and {@link #shapeParameters}. Then {@link #needsPropertyCalculation} will be
+ * set to <code>false</code> until the cluster's state changes.
*/
public void calculateProperties() {
if (!hasPropertyCalculator()) {
########################################################################
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