|
1
23
24 package org.objectweb.medor.query.lib;
25
26 import org.objectweb.jorm.type.api.PType;
27 import org.objectweb.medor.api.Field;
28 import org.objectweb.medor.api.MedorException;
29 import org.objectweb.medor.query.api.PropagatedField;
30 import org.objectweb.medor.query.api.QueryTree;
31
32 import java.util.ArrayList  ;
33 import java.util.HashMap ;
34 import java.util.Iterator ;
35 import java.util.Map ;
36
37
41 public class BasicPropagatedField extends BasicQueryTreeField
42 implements PropagatedField {
43
44 protected HashMap ancestors = null;
45 protected int index = -1;
46
47 public BasicPropagatedField() {
48 }
49
50 public BasicPropagatedField(String name,
51 PType type,
52 QueryTree qt,
53 Field[] _ancestors) throws MedorException {
54 super(name, type, qt);
55 if (_ancestors != null && _ancestors.length > 0) {
56 ancestors = new HashMap (_ancestors.length);
57 for (int i = 0; i < _ancestors.length; i++) {
58 Field[] el = (Field[]) ancestors.get(_ancestors[i].getName());
59 if (el == null) {
60 el = new Field[1];
61 el[0] = _ancestors[i];
62 ancestors.put(_ancestors[i].getName(), el);
63 } else {
64 Field[] neo = new Field[el.length + 1];
65 System.arraycopy(el, 0, neo, 0, el.length);
66 neo[el.length] = _ancestors[i];
67 ancestors.put(_ancestors[i].getName(), neo);
68 }
69 }
70 }
71 }
72
73 public Object clone(Object clone,
74 Map obj2clone) throws CloneNotSupportedException {
75 clone = super.clone(clone, obj2clone);
76 ((BasicPropagatedField) clone).index = index;
77 if (ancestors != null) {
78 BasicPropagatedField bpf = (BasicPropagatedField) clone;
79 bpf.ancestors = new HashMap (ancestors.size());
80 for(Iterator it = bpf.ancestors.entrySet().iterator(); it.hasNext();) {
81 Map.Entry me = (Map.Entry ) it.next();
82 Field[] as = (Field[]) me.getValue();
83 if (as == null) {
84 me.setValue(null);
85 } else {
86 Field[] newAncestors = new Field[as.length];
87 for(int i=0; i<as.length; i++) {
88 newAncestors[i] = (Field) getClone(as[i], obj2clone);
89 }
90 me.setValue(newAncestors);
91 }
92 }
93 }
94
95 return clone;
96 }
97
98 public int getIndex() {
101 return index;
102 }
103
104 public void setIndex(int idx) {
105 index = idx;
106 }
107
108 public Field[] getPreviousFields() {
109 return (Field[]) (ancestors == null
110 ? new Field[0]
111 : getPrevious().toArray(new Field[0]));
112 }
113
114 public Field[] getPreviousFields(String oldFieldName) {
115 return (Field[]) (ancestors == null
116 ? new Field[0]
117 : ancestors.get(oldFieldName));
118 }
119
120 public Field[] getOriginFields() {
121 if (ancestors == null)
122 return new Field[0];
123
124 return (Field[]) getOriginFields(getPrevious(), new ArrayList ())
125 .toArray(new Field[0]);
126 }
127
128 protected ArrayList getOriginFields(ArrayList src, ArrayList dst) {
129 ArrayList res = dst;
130 for (int i = 0; i < src.size(); i++) {
131 Field f = (Field) src.get(i);
132 if (f instanceof BasicPropagatedField) {
133 res = ((BasicPropagatedField) f).getOriginFields(
134 ((BasicPropagatedField) f).getPrevious(), res);
135 } else if (f instanceof BasicCalculatedField) {
136 res = ((BasicCalculatedField) f).getOriginUsedFields(
137 ((BasicCalculatedField) f).getUsed(), res);
138 } else {
139 res.add(f);
140 }
141 }
142 return res;
143 }
144
145 protected ArrayList getPrevious() {
146 ArrayList res = new ArrayList (ancestors.size());
147 Iterator it = ancestors.values().iterator();
148 while (it.hasNext()) {
149 Field[] current = (Field[]) it.next();
150 for (int i = 0; i < current.length; i++) {
151 res.add(current[i]);
152 }
153 }
154 return res;
155 }
156
157 public short getNullStatus() {
158 return 99;
160 }
161
162 public void replacePreviousField(Field[] _ancestors) {
163 ancestors.clear();
164 for (int i = 0; i < _ancestors.length; i++) {
165 Field[] el = (Field[]) ancestors.get(_ancestors[i].getName());
166 if (el == null) {
167 el = new Field[1];
168 el[0] = _ancestors[i];
169 ancestors.put(_ancestors[i].getName(), el);
170 } else {
171 Field[] neo = new Field[el.length + 1];
172 System.arraycopy(el, 0, neo, 0, el.length);
173 neo[el.length] = _ancestors[i];
174 ancestors.put(_ancestors[i].getName(), neo);
175 }
176 }
177 }
178 }
179 |
Popular Tags |
Java API By Example, From Geeks To Geeks.