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Improve performance when importing database

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This commit is contained in:
Alinson S. Xavier
2018-12-08 12:24:44 -06:00
parent 3581173193
commit 178061475e
3 changed files with 77 additions and 26 deletions
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88
uhabits-core/src/main/java/org/isoron/uhabits/core/database/Repository.java
View File

@@ -246,56 +246,96 @@ public class Repository<T>
return fields;
}
private Field[] cacheFields = null;
@NonNull
private Field[] getFields()
{
List<Field> fields = new ArrayList<>();
List<Pair<Field, Column>> columns = getFieldColumnPairs();
for (Pair<Field, Column> pair : columns) fields.add(pair.getLeft());
return fields.toArray(new Field[]{});
if (cacheFields == null)
{
List<Field> fields = new ArrayList<>();
List<Pair<Field, Column>> columns = getFieldColumnPairs();
for (Pair<Field, Column> pair : columns) fields.add(pair.getLeft());
cacheFields = fields.toArray(new Field[]{});
}
return cacheFields;
}
private String[] cacheColumnNames = null;
@NonNull
private String[] getColumnNames()
{
List<String> names = new ArrayList<>();
List<Pair<Field, Column>> columns = getFieldColumnPairs();
for (Pair<Field, Column> pair : columns)
if (cacheColumnNames == null)
{
String cname = pair.getRight().name();
if (cname.isEmpty()) cname = pair.getLeft().getName();
if (names.contains(cname))
throw new RuntimeException("duplicated column : " + cname);
names.add(cname);
List<String> names = new ArrayList<>();
List<Pair<Field, Column>> columns = getFieldColumnPairs();
for (Pair<Field, Column> pair : columns)
{
String cname = pair.getRight().name();
if (cname.isEmpty()) cname = pair.getLeft().getName();
if (names.contains(cname))
throw new RuntimeException("duplicated column : " + cname);
names.add(cname);
}
cacheColumnNames = names.toArray(new String[]{});
}
return names.toArray(new String[]{});
return cacheColumnNames;
}
private String cacheTableName = null;
@NonNull
private String getTableName()
{
String name = getTableAnnotation().name();
if (name.isEmpty()) throw new RuntimeException("Table name is empty");
return name;
if (cacheTableName == null)
{
String name = getTableAnnotation().name();
if (name.isEmpty()) throw new RuntimeException("Table name is empty");
cacheTableName = name;
}
return cacheTableName;
}
private String cacheIdName = null;
@NonNull
private String getIdName()
{
String id = getTableAnnotation().id();
if (id.isEmpty()) throw new RuntimeException("Table id is empty");
return id;
if (cacheIdName == null)
{
String id = getTableAnnotation().id();
if (id.isEmpty()) throw new RuntimeException("Table id is empty");
cacheIdName = id;
}
return cacheIdName;
}
private Field cacheIdField = null;
@NonNull
private Field getIdField()
{
Field fields[] = getFields();
String idName = getIdName();
for (Field f : fields)
if (f.getName().equals(idName)) return f;
throw new RuntimeException("Field not found: " + idName);
if (cacheIdField == null)
{
Field fields[] = getFields();
String idName = getIdName();
for (Field f : fields)
if (f.getName().equals(idName))
{
cacheIdField = f;
break;
}
if (cacheIdField == null)
throw new RuntimeException("Field not found: " + idName);
}
return cacheIdField;
}
@NonNull

2
uhabits-core/src/main/java/org/isoron/uhabits/core/models/sqlite/SQLModelFactory.java
View File

@@ -33,7 +33,7 @@ import javax.inject.*;
*/
public class SQLModelFactory implements ModelFactory
{
private final Database db;
public final Database db;
@Inject
public SQLModelFactory(Database db)