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1
21 package com.db4o.inside.cluster;
22
23 import com.db4o.cluster.*;
24 import com.db4o.foundation.*;
25 import com.db4o.query.*;
26
27
30 public class ClusterConstraint implements Constraint{
31
32 final Cluster _cluster;
33 final Constraint[] _constraints;
34
35 public ClusterConstraint(Cluster cluster, Constraint[] constraints){
36 _cluster = cluster;
37 _constraints = constraints;
38 }
39
40 private ClusterConstraint compatible (Constraint with){
41 if(! (with instanceof ClusterConstraint)){
42 throw new IllegalArgumentException  ();
43 }
44 ClusterConstraint other = (ClusterConstraint)with;
45 if(other._constraints.length != _constraints.length){
46 throw new IllegalArgumentException ();
47 }
48 return other;
49 }
50
51 public Constraint and(Constraint with) {
52 return join(with, true);
53 }
54
55 public Constraint or(Constraint with) {
56 return join(with, false);
57 }
58
59 private Constraint join(Constraint with, boolean isAnd){
60 synchronized(_cluster){
61 ClusterConstraint other = compatible(with);
62 Constraint[] newConstraints = new Constraint[_constraints.length];
63 for (int i = 0; i < _constraints.length; i++) {
64 newConstraints[i] = isAnd ? _constraints[i].and(other._constraints[i]) : _constraints[i].or(other._constraints[i]);
65 }
66 return new ClusterConstraint(_cluster, newConstraints);
67 }
68 }
69
70
71 public Constraint equal() {
72 synchronized(_cluster){
73 for (int i = 0; i < _constraints.length; i++) {
74 _constraints[i].equal();
75 }
76 return this;
77 }
78 }
79
80 public Constraint greater() {
81 synchronized(_cluster){
82 for (int i = 0; i < _constraints.length; i++) {
83 _constraints[i].greater();
84 }
85 return this;
86 }
87 }
88
89 public Constraint smaller() {
90 synchronized(_cluster){
91 for (int i = 0; i < _constraints.length; i++) {
92 _constraints[i].smaller();
93 }
94 return this;
95 }
96 }
97
98 public Constraint identity() {
99 synchronized(_cluster){
100 for (int i = 0; i < _constraints.length; i++) {
101 _constraints[i].identity();
102 }
103 return this;
104 }
105 }
106
107 public Constraint like() {
108 synchronized(_cluster){
109 for (int i = 0; i < _constraints.length; i++) {
110 _constraints[i].like();
111 }
112 return this;
113 }
114 }
115
116 public Constraint startsWith(boolean caseSensitive) {
117 synchronized(_cluster){
118 for (int i = 0; i < _constraints.length; i++) {
119 _constraints[i].startsWith(caseSensitive);
120 }
121 return this;
122 }
123 }
124
125 public Constraint endsWith(boolean caseSensitive) {
126 synchronized(_cluster){
127 for (int i = 0; i < _constraints.length; i++) {
128 _constraints[i].endsWith(caseSensitive);
129 }
130 return this;
131 }
132 }
133
134 public Constraint contains() {
135 synchronized(_cluster){
136 for (int i = 0; i < _constraints.length; i++) {
137 _constraints[i].contains();
138 }
139 return this;
140 }
141 }
142
143 public Constraint not() {
144 synchronized(_cluster){
145 for (int i = 0; i < _constraints.length; i++) {
146 _constraints[i].not();
147 }
148 return this;
149 }
150 }
151
152 public Object getObject() {
153 throw new NotSupportedException();
154 }
155 }
156 |
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