Java™ Platform
Standard Ed. 6

javax.print.attribute
Interface PrintRequestAttributeSet

All Superinterfaces:
AttributeSet
All Known Implementing Classes:
HashPrintRequestAttributeSet

public interface PrintRequestAttributeSet
extends AttributeSet

Interface PrintRequestAttributeSet specifies the interface for a set of print request attributes, i.e. printing attributes that implement interface PrintRequestAttribute. The client uses a PrintRequestAttributeSet to specify the settings to be applied to a whole print job and to all the docs in the print job.

PrintRequestAttributeSet is just an AttributeSet whose constructors and mutating operations guarantee an additional invariant, namely that all attribute values in the PrintRequestAttributeSet must be instances of interface PrintRequestAttribute. The add(Attribute), and addAll(AttributeSet) operations are respecified below to guarantee this additional invariant.


Method Summary
 boolean add(Attribute attribute)
          Adds the specified attribute value to this attribute set if it is not already present, first removing any existing value in the same attribute category as the specified attribute value (optional operation).
 boolean addAll(AttributeSet attributes)
          Adds all of the elements in the specified set to this attribute.
 
Methods inherited from interface javax.print.attribute.AttributeSet
clear, containsKey, containsValue, equals, get, hashCode, isEmpty, remove, remove, size, toArray
 

Method Detail

add

boolean add(Attribute attribute)
Adds the specified attribute value to this attribute set if it is not already present, first removing any existing value in the same attribute category as the specified attribute value (optional operation).

Specified by:
add in interface AttributeSet
Parameters:
attribute - Attribute value to be added to this attribute set.
Returns:
true if this attribute set changed as a result of the call, i.e., the given attribute value was not already a member of this attribute set.
Throws:
UnmodifiableSetException - (unchecked exception) Thrown if this attribute set does not support the add() operation.
ClassCastException - (unchecked exception) Thrown if the attribute is not an instance of interface PrintRequestAttribute.
NullPointerException - (unchecked exception) Thrown if the attribute is null.

addAll

boolean addAll(AttributeSet attributes)
Adds all of the elements in the specified set to this attribute. The outcome is the same as if the add(Attribute) operation had been applied to this attribute set successively with each element from the specified set. If none of the categories in the specified set are the same as any categories in this attribute set, the addAll() operation effectively modifies this attribute set so that its value is the union of the two sets.

The behavior of the addAll() operation is unspecified if the specified set is modified while the operation is in progress.

If the addAll() operation throws an exception, the effect on this attribute set's state is implementation dependent; elements from the specified set before the point of the exception may or may not have been added to this attribute set.

Specified by:
addAll in interface AttributeSet
Parameters:
attributes - whose elements are to be added to this attribute set.
Returns:
true if this attribute set changed as a result of the call.
Throws:
UnmodifiableSetException - (Unchecked exception) Thrown if this attribute set does not support the addAll() method.
ClassCastException - (Unchecked exception) Thrown if some element in the specified set is not an instance of interface PrintRequestAttribute.
NullPointerException - (Unchecked exception) Thrown if the specified set is null.
See Also:
add(Attribute)

Java™ Platform
Standard Ed. 6

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