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21 package org.jacorb.collection;
22
23 import org.omg.CosCollection.*;
24 import org.jacorb.collection.util.*;
25 import org.omg.PortableServer.POA  ;
26 import org.omg.PortableServer.Servant ;
27 import org.omg.CORBA.Any ;
28 import org.omg.CORBA.AnyHolder ;
29
30 class EqualityKeySortedIteratorImpl extends KeySortedIteratorImpl
31 implements EqualityKeySortedIteratorOperations {
32
33 EqualityKeySortedIteratorImpl( KeySortedCollectionImpl collection ){
34 super( collection );
35 };
36
37 EqualityKeySortedIteratorImpl( KeySortedCollectionImpl collection, boolean read_only ){
38 super( collection, read_only );
39 };
40
41 EqualityKeySortedIteratorImpl( KeySortedCollectionImpl collection, boolean read_only, boolean reverse ){
42 super( collection, read_only, reverse );
43 };
44
45 public boolean set_to_element_with_value( Any element ) throws ElementInvalid {
46 synchronized( collection ){
47 collection.check_element( element );
48 try {
49 int pos = collection.data.indexOf( element );
50 if( pos >= 0 ){
51 set_pos( pos );
52 set_in_between( false );
53 return true;
54 }
55 invalidate();
56 return false;
57 } catch ( ObjectInvalid e ) {
58 e.printStackTrace( System.out );
59 throw new org.omg.CORBA.INTERNAL ();
60 }
61 }
62 };
63
64 public boolean set_to_next_element_with_value( Any element ) throws IteratorInvalid, ElementInvalid {
65 synchronized( collection ){
66 check_invalid();
67 collection.check_element( element );
68 try {
69 int pos = collection.data.indexOf( element );
70 int start_pos = is_in_between()?get_pos():get_pos()+1;
71 if( pos >= 0 && start_pos < collection.data.size()-1 ){
72 if( start_pos > pos && !collection.ops.equal( element, (Any )collection.data.elementAt(start_pos) ) ){
73 invalidate();
74 return false;
75 }
76 set_pos( start_pos );
77 set_in_between( false );
78 return true;
79 }
80 invalidate();
81 return false;
82 } catch ( ObjectInvalid e ) {
83 e.printStackTrace( System.out );
84 throw new org.omg.CORBA.INTERNAL ();
85 }
86 }
87 };
88
89 public boolean set_to_next_element_with_different_value() throws IteratorInBetween, IteratorInvalid {
90 synchronized( collection ){
91 check_iterator();
92 Any element = (Any )collection.data.elementAt( get_pos() );
93 int pos = get_pos()+1;
94 while( pos < collection.data.size() && collection.ops.equal( element, (Any )collection.data.elementAt( pos ) ) ){
95 pos++;
96 }
97 if( pos >= collection.data.size() ) {
98 invalidate();
99 return false;
100 } else {
101 set_pos( pos );
102 return true;
103 }
104 }
105 };
106
107 public boolean set_to_first_element_with_value( Any element, LowerBoundStyle style) throws ElementInvalid {
108 throw new org.omg.CORBA.NO_IMPLEMENT ();
109 };
110
111 public boolean set_to_last_element_with_value( Any element, UpperBoundStyle style) throws ElementInvalid {
112 throw new org.omg.CORBA.NO_IMPLEMENT ();
113 };
114
115 public boolean set_to_previous_element_with_value( Any element ) throws IteratorInvalid, ElementInvalid {
116 synchronized( collection ){
117 check_invalid();
118 collection.check_element( element );
119 try {
120 int pos = collection.data.indexOf( element );
121 int start_pos = get_pos()-1;
122 if( pos >= 0 && start_pos < collection.data.size() ){
123 if( start_pos < pos && !collection.ops.equal( element, (Any )collection.data.elementAt(start_pos) ) ){
124 invalidate();
125 return false;
126 }
127 set_pos( start_pos );
128 set_in_between( false );
129 return true;
130 }
131 invalidate();
132 return false;
133 } catch ( ObjectInvalid e ) {
134 e.printStackTrace( System.out );
135 throw new org.omg.CORBA.INTERNAL ();
136 }
137 }
138 };
139
140 public boolean set_to_previous_element_with_different_value() throws IteratorInBetween, IteratorInvalid {
141 synchronized( collection ){
142 check_iterator();
143 Any element = (Any )collection.data.elementAt( get_pos() );
144 int pos = get_pos()-1;
145 while( pos >= 0 && collection.ops.equal( element, (Any )collection.data.elementAt( pos ) ) ){
146 pos--;
147 }
148 if( pos < 0 ) {
149 invalidate();
150 return false;
151 } else {
152 set_pos( pos );
153 return true;
154 }
155 }
156 }
157 }
158
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