| 1 | package dk.deepthought.sidious.supportsystem; |
| 2 | |
| 3 | import net.jcip.annotations.Immutable; |
| 4 | |
| 5 | import org.apache.commons.logging.Log; |
| 6 | import org.apache.commons.logging.LogFactory; |
| 7 | |
| 8 | /** |
| 9 | * This class wraps the SuperLink Identifier for each sensor and set point in the system. |
| 10 | * |
| 11 | * @author Deepthought |
| 12 | * |
| 13 | */ |
| 14 | @Immutable |
| 15 | public final class SuperLinkID implements Comparable<SuperLinkID> { |
| 16 | /** |
| 17 | * Logger for this class |
| 18 | */ |
| 19 | private static final Log logger = LogFactory.getLog(SuperLinkID.class); |
| 20 | |
| 21 | /** |
| 22 | * The string id. |
| 23 | */ |
| 24 | private final String ID; |
| 25 | |
| 26 | /** |
| 27 | * Creates a new <code>SuperLinkID</code> object. |
| 28 | * |
| 29 | * @param id |
| 30 | * the id string |
| 31 | */ |
| 32 | public SuperLinkID(final String id) { |
| 33 | if ((id == null) || id.equals("")) { |
| 34 | logger.error("SuperLinkID(String id=" + id |
| 35 | + ") - Not valid initializing string value"); |
| 36 | throw new IllegalArgumentException( |
| 37 | "Not valid initializing string value=" + id); |
| 38 | } |
| 39 | ID = id; |
| 40 | } |
| 41 | |
| 42 | /* (non-Javadoc) |
| 43 | * @see java.lang.Object#equals(java.lang.Object) |
| 44 | */ |
| 45 | @Override |
| 46 | public boolean equals(Object arg0) { |
| 47 | if (arg0 instanceof SuperLinkID) { |
| 48 | SuperLinkID sID = (SuperLinkID) arg0; |
| 49 | return ID.equals(sID.ID); |
| 50 | } |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | /* |
| 55 | * (non-Javadoc) |
| 56 | * |
| 57 | * @see java.lang.Object#toString() |
| 58 | */ |
| 59 | @Override |
| 60 | public String toString() { |
| 61 | return ID; |
| 62 | } |
| 63 | |
| 64 | /* |
| 65 | * (non-Javadoc) |
| 66 | * |
| 67 | * @see java.lang.Object#hashCode() |
| 68 | */ |
| 69 | @Override |
| 70 | public int hashCode() { |
| 71 | final int PRIME = 31; |
| 72 | int result = 1; |
| 73 | result = PRIME * result + ((ID == null) ? 0 : ID.hashCode()); |
| 74 | return result; |
| 75 | } |
| 76 | |
| 77 | /* |
| 78 | * (non-Javadoc) |
| 79 | * |
| 80 | * @see java.lang.Comparable#compareTo(java.lang.Object) |
| 81 | */ |
| 82 | public int compareTo(SuperLinkID other) { |
| 83 | return this.ID.compareTo(other.ID); |
| 84 | } |
| 85 | |
| 86 | } |