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com.clra.rowing
Class SeatPreference

java.lang.Objectcom.clra.rowing.SeatPreference
- All Implemented Interfaces:
- java.io.Serializable
- public class SeatPreference
- extends java.lang.Object
- implements java.io.Serializable
- extends java.lang.Object
Defines seating preference that may be specified by a participant for a rowing session.
- Version:
- $Id: SeatPreference.java,v 1.3 2003/02/26 03:38:45 rphall Exp $
| Field Summary | |
static SeatPreference |
COX
Indicates a member prefers to cox. |
private java.lang.String |
name
|
static java.lang.String |
NAME_COX
Indicates a member prefers to cox. |
static java.lang.String |
NAME_PORT
Indicates a member prefers a port rowing position |
static java.lang.String |
NAME_PORT_THEN_STARBOARD
Indicates a member prefers a port position, but will also row starboard. |
static java.lang.String |
NAME_STARBOARD
Indicates a member prefers a starboard rowing position |
static java.lang.String |
NAME_STARBOARD_THEN_PORT
Indicates a member prefers a starboard position, but will also row port. |
static SeatPreference |
PORT
Indicates a member prefers a port rowing position |
static SeatPreference |
PORT_THEN_STARBOARD
Indicates a member prefers a port position, but will also row starboard. |
static SeatPreference |
STARBOARD
Indicates a member prefers a starboard rowing position |
static SeatPreference |
STARBOARD_THEN_PORT
Indicates a member prefers a starboard position, but will also row port. |
| Constructor Summary | |
protected |
SeatPreference(java.lang.String name)
|
| Method Summary | |
static boolean |
compare(java.lang.String s1,
java.lang.String s2)
|
boolean |
equals(java.lang.Object o)
Determine whether this Object is semantically equal to another Object. |
java.lang.String |
getName()
|
static SeatPreference |
getSeatPreference(java.lang.String name)
SeatPreference is not a required field in a participant record, therefore if a null or blank name is passed to this method, an IllegalArgumentException is NOT thrown, but rather a null instance is returned. |
int |
hashCode()
Get a value that represents this Object, as uniquely as possible within the confines of an int. |
java.lang.String |
toString()
Convert this Object to a human-readable String. |
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
NAME_STARBOARD
public static final java.lang.String NAME_STARBOARD
- Indicates a member prefers a starboard rowing position
- See Also:
- Constant Field Values
NAME_PORT
public static final java.lang.String NAME_PORT
- Indicates a member prefers a port rowing position
- See Also:
- Constant Field Values
NAME_STARBOARD_THEN_PORT
public static final java.lang.String NAME_STARBOARD_THEN_PORT
- Indicates a member prefers a starboard position, but will also
row port.
- See Also:
- Constant Field Values
NAME_PORT_THEN_STARBOARD
public static final java.lang.String NAME_PORT_THEN_STARBOARD
- Indicates a member prefers a port position, but will also
row starboard.
- See Also:
- Constant Field Values
NAME_COX
public static final java.lang.String NAME_COX
- Indicates a member prefers to cox.
- See Also:
- Constant Field Values
STARBOARD
public static final SeatPreference STARBOARD
- Indicates a member prefers a starboard rowing position
PORT
public static final SeatPreference PORT
- Indicates a member prefers a port rowing position
STARBOARD_THEN_PORT
public static final SeatPreference STARBOARD_THEN_PORT
- Indicates a member prefers a starboard position, but will also
row port.
PORT_THEN_STARBOARD
public static final SeatPreference PORT_THEN_STARBOARD
- Indicates a member prefers a port position, but will also
row starboard.
COX
public static final SeatPreference COX
- Indicates a member prefers to cox.
name
private final java.lang.String name
| Constructor Detail |
SeatPreference
protected SeatPreference(java.lang.String name)
| Method Detail |
getSeatPreference
public static SeatPreference getSeatPreference(java.lang.String name) throws RowingException
- SeatPreference is not a required field in a participant record, therefore
if a null or blank name is passed to this method, an
IllegalArgumentException is NOT thrown, but rather
a null instance is returned.
Note: values not defined by this class, will throw a RowingException.
getName
public java.lang.String getName()
toString
public java.lang.String toString()
- Description copied from class:
java.lang.Object - Convert this Object to a human-readable String.
There are no limits placed on how long this String
should be or what it should contain. We suggest you
make it as intuitive as possible to be able to place
it into System.out.println() 55
and such.
It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.
This method will be called when performing string concatenation with this object. If the result is
null, string concatenation will instead use"null".The default implementation returns
getClass().getName() + "@" + Integer.toHexString(hashCode()).
hashCode
public int hashCode()
- Description copied from class:
java.lang.Object - Get a value that represents this Object, as uniquely as
possible within the confines of an int.
There are some requirements on this method which subclasses must follow:
- Semantic equality implies identical hashcodes. In other
words, if
a.equals(b)is true, thena.hashCode() == b.hashCode()must be as well. However, the reverse is not necessarily true, and two objects may have the same hashcode without being equal. - It must be consistent. Whichever value o.hashCode() returns on the first invocation must be the value returned on all later invocations as long as the object exists. Notice, however, that the result of hashCode may change between separate executions of a Virtual Machine, because it is not invoked on the same object.
Notice that since
hashCodeis used in java.util.Hashtable and other hashing classes, a poor implementation will degrade the performance of hashing (so don't blindly implement it as returning a constant!). Also, if calculating the hash is time-consuming, a class may consider caching the results.The default implementation returns
System.identityHashCode(this) - Semantic equality implies identical hashcodes. In other
words, if
compare
public static boolean compare(java.lang.String s1, java.lang.String s2)
equals
public boolean equals(java.lang.Object o)
- Description copied from class:
java.lang.Object - Determine whether this Object is semantically equal
to another Object.
There are some fairly strict requirements on this method which subclasses must follow:
- It must be transitive. If
a.equals(b)andb.equals(c), thena.equals(c)must be true as well. - It must be symmetric.
a.equals(b)andb.equals(a)must have the same value. - It must be reflexive.
a.equals(a)must always be true. - It must be consistent. Whichever value a.equals(b) returns on the first invocation must be the value returned on all later invocations.
a.equals(null)must be false.- It must be consistent with hashCode(). That is,
a.equals(b)must implya.hashCode() == b.hashCode(). The reverse is not true; two objects that are not equal may have the same hashcode, but that has the potential to harm hashing performance.
This is typically overridden to throw a java.lang.ClassCastException if the argument is not comparable to the class performing the comparison, but that is not a requirement. It is legal for
a.equals(b)to be true even thougha.getClass() != b.getClass(). Also, it is typical to never cause a java.lang.NullPointerException.In general, the Collections API (
java.util) use theequalsmethod rather than the==operator to compare objects. However, java.util.IdentityHashMap is an exception to this rule, for its own good reasons.The default implementation returns
this == o. - It must be transitive. If
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JAVADOC
com.clra.rowing.SeatPreference