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com.arranger.jarl.base
Class Time

java.lang.Objectcom.arranger.jarl.base.Time
- All Implemented Interfaces:
- java.lang.Cloneable
- public class Time
- extends java.lang.Object
- implements java.lang.Cloneable
- extends java.lang.Object
Time is the abstraction for time. Don't know if this is frames, or seconds, or measures, or what...
| Field Summary | |
protected int |
m_frame
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protected static double |
m_framesPerSec
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| Constructor Summary | |
Time(int frame)
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| Method Summary | |
java.lang.Object |
clone()
This method may be called to create a new copy of the Object. |
boolean |
equals(java.lang.Object other)
Determine whether this Object is semantically equal to another Object. |
int |
getFrame()
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static double |
getFramesPerSec()
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static Time |
getTime(org.w3c.dom.Element element,
java.lang.String attrName)
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static Time |
getTime(java.lang.String val)
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int |
hashCode()
Get a value that represents this Object, as uniquely as possible within the confines of an int. |
void |
increment()
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static void |
init(org.w3c.dom.Element elem)
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boolean |
isGreater(Time other)
Returns true if this object is greater then the other |
boolean |
isLess(Time other)
Returns true if this object is less then the other |
void |
setFrame(int frame)
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java.lang.String |
toString()
Convert this Object to a human-readable String. |
| Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
m_framesPerSec
protected static double m_framesPerSec
m_frame
protected int m_frame
| Constructor Detail |
Time
public Time(int frame)
| Method Detail |
init
public static void init(org.w3c.dom.Element elem)
getFramesPerSec
public static double getFramesPerSec()
getFrame
public int getFrame()
setFrame
public void setFrame(int frame)
increment
public void increment()
isLess
public boolean isLess(Time other)
- Returns true if this object is less then the other
isGreater
public boolean isGreater(Time other)
- Returns true if this object is greater then the other
equals
public boolean equals(java.lang.Object other)
- 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
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
getTime
public static Time getTime(org.w3c.dom.Element element, java.lang.String attrName)
getTime
public static Time getTime(java.lang.String val)
clone
public java.lang.Object clone()
- Description copied from class:
java.lang.Object - This method may be called to create a new copy of the
Object. The typical behavior is as follows:
o == o.clone()is falseo.getClass() == o.clone().getClass()is trueo.equals(o)is true
However, these are not strict requirements, and may be violated if necessary. Of the three requirements, the last is the most commonly violated, particularly if the subclass does not override Object.equals(Object)>
Object.equals(Object)55 .If the Object you call clone() on does not implement java.lang.Cloneable (which is a placeholder interface), then a CloneNotSupportedException is thrown. Notice that Object does not implement Cloneable; this method exists as a convenience for subclasses that do.
Object's implementation of clone allocates space for the new Object using the correct class, without calling any constructors, and then fills in all of the new field values with the old field values. Thus, it is a shallow copy. However, subclasses are permitted to make a deep copy.
All array types implement Cloneable, and override this method as follows (it should never fail):
public Object clone() { try { super.clone(); } catch (CloneNotSupportedException e) { throw new InternalError(e.getMessage()); } }
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JAVADOC
com.arranger.jarl.base.Time