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1 package com.daffodilwoods.daffodildb.server.datasystem.persistentsystem;
2
3 import com.daffodilwoods.database.resource.DException;
4 import com.daffodilwoods.daffodildb.utils.BufferRange;
5 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.*;
6 import java.util.*;
7 import com.daffodilwoods.daffodildb.server.sql99.utils._Reference;
8
9
18 public class RecordBytesTableHashMap implements _TableList {
19
20 HashMap recordBytesHashMap;
21 _TableList table;
22 int CODE;
23
24 public RecordBytesTableHashMap(HashMap recordBytesHashMap1,int CODE1) {
25 recordBytesHashMap = recordBytesHashMap1;
26 CODE = CODE1;
27 }
28
29 public Object  insert(_DatabaseUser user, _RecordCluster recordCluster,Object values) throws DException {
30 TableKey tableKey = (TableKey)table.insert(user,recordCluster,values);
31 Object mapKey = new Long (tableKey.getStartAddress());
32 Object obj = recordBytesHashMap.get(mapKey);
33 ArrayList retrieveValues = obj == null ? initializeArrayList(recordCluster.getRecordCount())
34 :(ArrayList)obj;
35 retrieveValues.set(tableKey.getRecordNumber() - 1,values);
36 if(obj == null)
37 recordBytesHashMap.put(mapKey,retrieveValues);
38 return tableKey;
39 }
40
41 public _TableList getTable() {
42 return table;
43 }
44
45 public _TableList getTable(int num) {
46 return CODE == num ? table : table.getTable(num);
47 }
48
49 public Object update(_DatabaseUser user ,_RecordCluster recordCluster,Object key, Object values) throws DException {
50 TableKey tableKey = (TableKey)table.update(user,recordCluster, key,values);
51 Object mapKey = new Long (tableKey.getStartAddress());
52 boolean flag = recordBytesHashMap.containsKey(mapKey);
53 ArrayList retrieveValues = !flag ? initializeArrayList(recordCluster.getRecordCount())
54 :(ArrayList)recordBytesHashMap.get(mapKey);
55 retrieveValues.set(tableKey.getRecordNumber() - 1,values);
56 if(!flag)
57 recordBytesHashMap.put(mapKey,retrieveValues);
58 return tableKey;
59 }
60
61 public Object delete(_DatabaseUser user, _RecordCluster recordCluster, Object key)throws DException {
62 TableKey tableKey = (TableKey)table.delete(user,recordCluster,key);
63 Object mapKey = new Long (tableKey.getStartAddress());
64 boolean flag = recordBytesHashMap.containsKey(mapKey);
65 if(!flag)
66 return tableKey;
67 ArrayList retrieveValues = (ArrayList)recordBytesHashMap.get(mapKey);
68 retrieveValues.set(tableKey.getRecordNumber() - 1,null);
69 return tableKey;
70 }
71
72 public void setTable(_TableList table1){
73 table = table1;
74 }
75
76 private ArrayList initializeArrayList(int size){
77 ArrayList retrievedObjects = new ArrayList(size);
78 for(int i= 0; i < size ; i++)
79 retrievedObjects.add(null);
80 return retrievedObjects;
81 }
82
83 public int getColumnCount() throws DException{
84 return table.getColumnCount();
85 }
86
87
88
89 public TableProperties getTableProperties() throws DException{
90 throw new java.lang.UnsupportedOperationException ("Method update() not yet implemented.");
91 }
92
93 public void checkValidity(_RecordCluster recordCluster, Object key) throws DException{
94 table.checkValidity(recordCluster,key);
95 }
96
97 public _TableCharacteristics getTableCharacteristics() throws DException {
98
99 throw new java.lang.UnsupportedOperationException ("Method getTableCharacteristics() not yet implemented.");
100 }
101
102 public void rollBack() throws DException {
103 table.rollBack();
104 }
105 public Object getColumnObjects(_RecordCluster recordCluster, Object key) throws DException {
106 return getColumnObjects(recordCluster,key);
107 }
108 public Object getColumnObjects(_RecordCluster recordCluster, Object key, int column) throws DException {
109 return getColumnObjects(recordCluster,key,column);
110 }
111
112 public Object getColumnValues(TableKey key,_RecordCluster cluster)throws DException{
113
114 throw new java.lang.UnsupportedOperationException ("Method getColumnValues() not yet implemented.");
115 }
116
117 public Object getColumnValues(TableKey key,_RecordCluster cluster,int column) throws DException{
118
119 throw new java.lang.UnsupportedOperationException ("Method getColumnValues() not yet implemented.");
120 }
121
122 public Object getColumnValues(TableKey key,_RecordCluster cluster,int[] columns) throws DException{
123
124 throw new java.lang.UnsupportedOperationException ("Method getColumnValues() not yet implemented.");
125 }
126
127 }
128 |
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