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1 package com.daffodilwoods.daffodildb.server.datadictionarysystem.information;
2
3
11 import com.daffodilwoods.daffodildb.server.datadictionarysystem.*;
12 import com.daffodilwoods.database.resource.*;
13 import java.util.ArrayList  ;
14 import com.daffodilwoods.daffodildb.server.sql99.common.SqlKeywords;
15 import java.io.*;
16 import com.daffodilwoods.daffodildb.server.sql99.utils._Reference;
17 public class ConstraintInformation implements _ConstraintInformation {
18
19 _ConstraintInfo[] constraintInfo;
20
21 public ConstraintInformation(_ConstraintInfo[] constraintInfo) {
22 this.constraintInfo = constraintInfo;
23 }
24
25 public ConstraintInformation() {
26 }
27
28 public _ConstraintInfo getConstraintInfo(int index) {
29 return constraintInfo[index];
30 }
31
32 ArrayList getAllConstraints(){
33 ArrayList constraintsList = new ArrayList ();
34 for(int i =0 ;i<constraintInfo.length;i++)
35 constraintsList.add(constraintInfo[i].getName());
36 return constraintsList;
37 }
38
39 public _ConstraintInfo[] getAllCheckConstraints() {
40 ArrayList constraintsList = new ArrayList ();
41 for(int i =0 ,size = constraintInfo.length;i<size;i++)
42 if(constraintInfo[i].getType().equalsIgnoreCase(SqlKeywords.CHECK))
43 constraintsList.add(constraintInfo[i]);
44 return constraintsList.size() == 0 ? null : (_ConstraintInfo[])constraintsList.toArray(new _ConstraintInfo[0]);
45 }
46
47 public _ConstraintInfo[] getAllPrimaryConstraints() {
48 ArrayList constraintsList = new ArrayList ();
49 String requiredType = SqlKeywords.PRIMARY +" "+SqlKeywords.KEY;
50 for(int i =0 ,size = constraintInfo.length;i<size;i++)
51 if(constraintInfo[i].getType().equalsIgnoreCase(requiredType))
52 constraintsList.add(constraintInfo[i]);
53 return constraintsList.size() == 0 ? null : (_ConstraintInfo[])constraintsList.toArray(new _ConstraintInfo[0]);
54 }
55
56 public _ConstraintInfo[] getAllUniqueConstraints() {
57 ArrayList constraintsList = new ArrayList ();
58 for(int i =0 ,size = constraintInfo.length;i<size;i++)
59 if(constraintInfo[i].getType().equalsIgnoreCase(SqlKeywords.UNIQUE))
60 constraintsList.add(constraintInfo[i]);
61 return constraintsList.size() == 0 ? null : (_ConstraintInfo[])constraintsList.toArray(new _ConstraintInfo[0]);
62 }
63
64 public _ConstraintInfo[] getAllForeignConstraints() {
65 ArrayList constraintsList = new ArrayList ();
66 for(int i =0 ,size = constraintInfo.length;i<size;i++)
67 if(constraintInfo[i].getType().equalsIgnoreCase("Foreign/Referencing"))
68 constraintsList.add(constraintInfo[i]);
69 return constraintsList.size() == 0 ? null : (_ConstraintInfo[])constraintsList.toArray(new _ConstraintInfo[0]);
70 }
71
72 public void readExternal(ObjectInput objectInput) throws IOException, ClassNotFoundException {
73 constraintInfo = (_ConstraintInfo[])objectInput.readObject();
74 }
75
76 public void writeExternal(ObjectOutput objectOutput) throws IOException {
77 objectOutput.writeObject(constraintInfo);
78 }
79
80
81
82 }
83 |
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