JobMediaSheets (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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javax.print.attribute.standard
Class JobMediaSheets

java.lang.Object
  javax.print.attribute.IntegerSyntax
      javax.print.attribute.standard.JobMediaSheets

All Implemented Interfaces:: Serializable, Cloneable, Attribute, PrintJobAttribute, PrintRequestAttribute

public class JobMediaSheets
extends IntegerSyntax
implements PrintRequestAttribute, PrintJobAttribute
extends IntegerSyntax
implements PrintRequestAttribute, PrintJobAttribute

Class JobMediaSheets is an integer valued printing attribute class that specifies the total number of media sheets to be produced for this job.

The JobMediaSheets attribute describes the size of the job. This attribute is not intended to be a counter; it is intended to be useful routing and scheduling information if known. The printer may try to compute the JobMediaSheets attribute's value if it is not supplied in the Print Request. Even if the client does supply a value for the JobMediaSheets attribute in the Print Request, the printer may choose to change the value if the printer is able to compute a value which is more accurate than the client supplied value. The printer may be able to determine the correct value for the JobMediaSheets attribute either right at job submission time or at any later point in time.

Unlike the JobKOctets and JobImpressions attributes, the JobMediaSheets value must include the multiplicative factors contributed by the number of copies specified by the Copies attribute and a "number of copies" instruction embedded in the document data, if any. This difference allows the system administrator to control the lower and upper bounds of both (1) the size of the document(s) with JobKOctetsSupported and JobImpressionsSupported and (2) the size of the job with JobMediaSheetsSupported.

IPP Compatibility: The integer value gives the IPP integer value. The category name returned by getName() gives the IPP attribute name.

See Also:: JobMediaSheetsSupported, JobMediaSheetsCompleted, JobKOctets, JobImpressions, Serialized Form

Constructor Summary

JobMediaSheets(int value)
          Construct a new job media sheets attribute with the given integer value.

Method Summary

boolean equals(Object object)
          Returns whether this job media sheets attribute is equivalent to the passed in object.

Class<? extends Attribute> getCategory()
          Get the printing attribute class which is to be used as the "category" for this printing attribute value.

String getName()
          Get the name of the category of which this attribute value is an instance.

Methods inherited from class javax.print.attribute.IntegerSyntax

getValue, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Summary
`JobMediaSheets(int value)` Construct a new job media sheets attribute with the given integer value.

Method Summary
`boolean`	`equals(Object object)` Returns whether this job media sheets attribute is equivalent to the passed in object.
`Class<? extends Attribute>`	`getCategory()` Get the printing attribute class which is to be used as the "category" for this printing attribute value.
`String`	`getName()` Get the name of the category of which this attribute value is an instance.

Methods inherited from class javax.print.attribute.IntegerSyntax
`getValue, hashCode, toString`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail

JobMediaSheets

public JobMediaSheets(int value)

Construct a new job media sheets attribute with the given integer value.

Parameters:: value - Integer value.
Throws:: IllegalArgumentException - (Unchecked exception) Thrown if value is less than 0.

Method Detail

equals

public boolean equals(Object object)

Returns whether this job media sheets attribute is equivalent to the passed in object. To be equivalent, all of the following conditions must be true:

object is not null.
object is an instance of class JobMediaSheets.
This job media sheets attribute's value and object's value are equal.

Overrides:: equals in class IntegerSyntax

Parameters:: object - Object to compare to.
Returns:: True if object is equivalent to this job media sheets attribute, false otherwise.
See Also:: Object.hashCode(), Hashtable

getCategory

public final Class<? extends Attribute> getCategory()

Get the printing attribute class which is to be used as the "category" for this printing attribute value.

For class JobMediaSheets and any vendor-defined subclasses, the category is class JobMediaSheets itself.

Specified by:: getCategory in interface Attribute

Returns:: Printing attribute class (category), an instance of class java.lang.Class.

getName

public final String getName()

Get the name of the category of which this attribute value is an instance.

For class JobMediaSheets and any vendor-defined subclasses, the category name is "job-media-sheets".

Specified by:: getName in interface Attribute

Returns:: Attribute category name.