use of com.abubusoft.kripton.processor.sqlite.grammars.jql.JQLPlaceHolder in project kripton by xcesco.
the class SqlSelectBuilder method generateSelectForContentProvider.
/**
* <p>
* Generate select used in content provider class.
* </p>
*
* @param elementUtils
* @param builder
* @param method
* @param selectResultType
*/
private static void generateSelectForContentProvider(Builder builder, final SQLiteModelMethod method, SelectType selectResultType) {
final SQLiteDaoDefinition daoDefinition = method.getParent();
final SQLiteEntity entity = daoDefinition.getEntity();
final Set<String> columns = new LinkedHashSet<>();
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder(method.contentProviderMethodName);
// params
methodBuilder.addParameter(ParameterSpec.builder(Uri.class, "uri").build());
methodBuilder.addParameter(ParameterSpec.builder(ArrayTypeName.of(String.class), "projection").build());
methodBuilder.addParameter(ParameterSpec.builder(String.class, "selection").build());
methodBuilder.addParameter(ParameterSpec.builder(ArrayTypeName.of(String.class), "selectionArgs").build());
methodBuilder.addParameter(ParameterSpec.builder(String.class, "sortOrder").build());
methodBuilder.returns(Cursor.class);
SqlBuilderHelper.generateLogForContentProviderBeginning(method, methodBuilder);
JQLChecker jqlChecker = JQLChecker.getInstance();
SplittedSql splittedSql = generateSQL(method, methodBuilder, true);
List<JQLPlaceHolder> placeHolders = jqlChecker.extractFromVariableStatement(method, splittedSql.sqlWhereStatement);
// remove placeholder for dynamic where, we are not interested here
placeHolders = SqlBuilderHelper.removeDynamicPlaceHolder(placeHolders);
AssertKripton.assertTrue(placeHolders.size() == method.contentProviderUriVariables.size(), "In '%s.%s' content provider URI path variables and variables in where conditions are different. If SQL uses parameters, they must be defined in URI path.", daoDefinition.getName(), method.getName());
Set<JQLProjection> projectedColumns = jqlChecker.extractProjections(method, method.jql.value, entity);
for (JQLProjection item : projectedColumns) {
if (item.type == ProjectionType.COLUMN) {
columns.add(entity.get(item.column.trim()).columnName);
} else {
columns.add(item.expression.trim());
}
}
methodBuilder.addStatement("$T _contentValues=contentValues()", KriptonContentValues.class);
methodBuilder.addStatement("$T _sqlBuilder=sqlBuilder()", StringBuilder.class);
SqlModifyBuilder.generateInitForDynamicWhereVariables(method, methodBuilder, "selection", "selectionArgs");
methodBuilder.addStatement("$T _projectionBuffer=new $T()", StringBuilder.class, StringBuilder.class);
if (method.jql.isOrderBy()) {
methodBuilder.addStatement("String _sortOrder=sortOrder");
}
methodBuilder.addStatement("_sqlBuilder.append($S)", splittedSql.sqlBasic);
SqlBuilderHelper.generateWhereCondition(methodBuilder, method, false);
generateDynamicPartOfQuery(method, methodBuilder, splittedSql);
// generate and check columns
{
methodBuilder.addCode("\n// manage projected columns\n");
methodBuilder.addStatement("String _columnSeparator=\"\"");
methodBuilder.beginControlFlow("if (projection!=null && projection.length>0)");
// generate projected column check
String columnCheckSetName = SqlBuilderHelper.generateColumnCheckSet(builder, method, columns);
SqlBuilderHelper.forEachColumnInContentValue(methodBuilder, method, "projection", true, new OnColumnListener() {
@Override
public void onColumnCheck(MethodSpec.Builder methodBuilder, String projectedColumnVariable) {
methodBuilder.addStatement("_projectionBuffer.append(_columnSeparator + $L)", projectedColumnVariable);
methodBuilder.addStatement("_columnSeparator=\", \"");
}
});
methodBuilder.nextControlFlow("else");
methodBuilder.beginControlFlow("for (String column: $L)", columnCheckSetName);
methodBuilder.addStatement("_projectionBuffer.append(_columnSeparator + column)");
methodBuilder.addStatement("_columnSeparator=\", \"");
methodBuilder.endControlFlow();
methodBuilder.endControlFlow();
int i = 0;
// every controls was done in constructor of SQLiteModelMethod
for (ContentUriPlaceHolder variable : method.contentProviderUriVariables) {
AssertKripton.assertTrue(SqlBuilderHelper.validate(variable.value, placeHolders, i), "In '%s.%s' content provider URI path and where conditions must use same set of variables", daoDefinition.getName(), method.getName());
SQLProperty entityProperty = entity.get(variable.value);
TypeName methodParameterType = method.findParameterTypeByAliasOrName(variable.value);
methodBuilder.addCode("// Add parameter $L at path segment $L\n", variable.value, variable.pathSegmentIndex);
// methodBuilder.addStatement("_sqlWhereParams.add(uri.getPathSegments().get($L))",
// variable.pathSegmentIndex);
methodBuilder.addStatement("_contentValues.addWhereArgs(uri.getPathSegments().get($L))", variable.pathSegmentIndex);
if (entityProperty != null) {
AssertKripton.assertTrue(TypeUtility.isTypeIncludedIn(entityProperty.getPropertyType().getTypeName(), String.class, Long.class, Long.TYPE), "In '%s.%s' content provider URI path variables %s must be String of Long type", daoDefinition.getName(), method.getName(), entityProperty.getName());
} else if (methodParameterType != null) {
AssertKripton.assertTrue(TypeUtility.isTypeIncludedIn(methodParameterType, String.class, Long.class, Long.TYPE), "In '%s.%s' content provider URI path variables %s must be String of Long type", daoDefinition.getName(), method.getName(), method.findParameterNameByAlias(variable.value));
}
i++;
}
}
// _sql must be always defined
methodBuilder.addStatement("String _sql=String.format(_sqlBuilder.toString(), _projectionBuffer.toString())");
SqlBuilderHelper.generateLogForSQL(method, methodBuilder);
SqlBuilderHelper.generateLogForWhereParameters(method, methodBuilder);
methodBuilder.addCode("\n// execute query\n");
// methodBuilder.addStatement("Cursor _result =
// database().rawQuery(_sql, _sqlWhereParams.toArray(new
// String[_sqlWhereParams.size()]))");
methodBuilder.addStatement("Cursor _result = database().rawQuery(_sql, _contentValues.whereArgsAsArray())");
methodBuilder.addStatement("return _result");
// we add at last javadoc, because need info is built at last.
SqlBuilderHelper.generateJavaDocForContentProvider(method, methodBuilder);
methodBuilder.addJavadoc("@param uri $S\n", method.contentProviderUriTemplate.replace("*", "[*]"));
methodBuilder.addJavadoc("@param selection dynamic part of <code>where</code> statement $L\n", method.hasDynamicWhereConditions() ? "" : "<b>NOT USED</b>");
methodBuilder.addJavadoc("@param selectionArgs arguments of dynamic part of <code>where</code> statement $L\n", method.hasDynamicWhereConditions() ? "" : "<b>NOT USED</b>");
methodBuilder.addJavadoc("@return number of effected rows\n");
builder.addMethod(methodBuilder.build());
}
use of com.abubusoft.kripton.processor.sqlite.grammars.jql.JQLPlaceHolder in project kripton by xcesco.
the class SqlModifyBuilder method generateModifierForContentProvider.
/**
* <p>
* Generate update and delete used in content provider class.
* </p>
*
* @param elementUtils
* @param builder
* @param method
* @param updateResultType
*/
private static void generateModifierForContentProvider(Elements elementUtils, Builder builder, final SQLiteModelMethod method, ModifyType updateResultType) {
final SQLiteDaoDefinition daoDefinition = method.getParent();
final SQLiteEntity entity = daoDefinition.getEntity();
final Set<String> columns = new LinkedHashSet<>();
JQLChecker jqlChecker = JQLChecker.getInstance();
// parameters extracted from query
final One<String> whereStatement = new One<>();
if (method.jql.isWhereConditions()) {
// parameters extracted from query
final One<Boolean> alreadyFoundWhereStatement = new One<>(false);
// put in whereStatement value of where statement.
jqlChecker.replaceVariableStatements(method, method.jql.value, new JQLReplaceVariableStatementListenerImpl() {
@Override
public String onWhere(String statement) {
if (alreadyFoundWhereStatement.value0 == false) {
whereStatement.value0 = statement;
alreadyFoundWhereStatement.value0 = true;
return "";
} else {
// DO NOTHING
return null;
}
}
});
}
List<JQLPlaceHolder> placeHolders = jqlChecker.extractFromVariableStatement(method, whereStatement.value0);
// remove placeholder for dynamic where, we are not interested here
placeHolders = SqlBuilderHelper.removeDynamicPlaceHolder(placeHolders);
checkContentProviderVarsAndArguments(method, placeHolders);
// detect column used for content value
jqlChecker.replace(method, method.jql, new JQLReplacerListenerImpl(method) {
@Override
public String onColumnNameToUpdate(String columnName) {
SQLProperty tempProperty = entity.get(columnName);
AssertKripton.assertTrueOrUnknownPropertyInJQLException(tempProperty != null, method, columnName);
columns.add(tempProperty.columnName);
return null;
}
});
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder(method.contentProviderMethodName);
// params
methodBuilder.addParameter(ParameterSpec.builder(Uri.class, "uri").build());
if (updateResultType == ModifyType.UPDATE_BEAN || updateResultType == ModifyType.UPDATE_RAW) {
methodBuilder.addParameter(ParameterSpec.builder(ContentValues.class, "contentValues").build());
}
methodBuilder.addParameter(ParameterSpec.builder(String.class, "selection").build());
methodBuilder.addParameter(ParameterSpec.builder(ArrayTypeName.of(String.class), "selectionArgs").build());
methodBuilder.returns(Integer.TYPE);
// retrieve content values
if (updateResultType == ModifyType.UPDATE_BEAN || updateResultType == ModifyType.UPDATE_RAW) {
methodBuilder.addStatement("$T _contentValues=contentValuesForContentProvider(contentValues)", KriptonContentValues.class);
} else {
methodBuilder.addStatement("$T _contentValues=contentValues()", KriptonContentValues.class);
}
SqlBuilderHelper.generateLogForContentProviderBeginning(method, methodBuilder);
// query builder
methodBuilder.addStatement("$T _sqlBuilder=sqlBuilder()", StringBuilder.class);
generateInitForDynamicWhereVariables(method, methodBuilder, "selection", "selectionArgs");
SqlBuilderHelper.generateWhereCondition(methodBuilder, method, false);
int i = 0;
// every controls was done in constructor of SQLiteModelMethod
for (ContentUriPlaceHolder variable : method.contentProviderUriVariables) {
AssertKripton.assertTrue(SqlBuilderHelper.validate(variable.value, placeHolders, i), "In '%s.%s' content provider URI path variables and variables in where conditions are different. If SQL uses parameters, they must be defined in URI path.", daoDefinition.getName(), method.getName());
JQLParameterName paramName = JQLParameterName.parse(variable.value);
SQLProperty entityProperty = entity.get(paramName.getValue());
if (entityProperty != null) {
methodBuilder.addCode("// Add parameter $L at path segment $L\n", variable.value, variable.pathSegmentIndex);
// methodBuilder.addStatement("_sqlWhereParams.add(uri.getPathSegments().get($L))",
// variable.pathSegmentIndex);
methodBuilder.addStatement("_contentValues.addWhereArgs(uri.getPathSegments().get($L))", variable.pathSegmentIndex);
AssertKripton.assertTrue(TypeUtility.isTypeIncludedIn(entityProperty.getPropertyType().getTypeName(), String.class, Long.class, Long.TYPE), "In '%s.%s' content provider URI path variables %s must be String of Long type", daoDefinition.getName(), method.getName(), entityProperty.getName());
}
i++;
}
if (method.hasDynamicWhereConditions() && method.hasDynamicWhereArgs()) {
// ASSERT: only with dynamic where conditions
methodBuilder.beginControlFlow("if ($T.hasText(_sqlDynamicWhere) && _sqlDynamicWhereArgs!=null)", StringUtils.class);
if (method.hasDynamicWhereConditions()) {
methodBuilder.beginControlFlow("for (String _arg: _sqlDynamicWhereArgs)");
// methodBuilder.addStatement("_sqlWhereParams.add(_arg)");
methodBuilder.addStatement("_contentValues.addWhereArgs(_arg)");
methodBuilder.endControlFlow();
}
methodBuilder.endControlFlow();
}
// column checj
switch(updateResultType) {
case UPDATE_BEAN:
case UPDATE_RAW:
SqlBuilderHelper.generateColumnCheckSet(builder, method, columns);
SqlBuilderHelper.forEachColumnInContentValue(methodBuilder, method, "_contentValues.values().keySet()", true, null);
break;
default:
break;
}
// generate log section - BEGIN
methodBuilder.addComment("log section BEGIN");
methodBuilder.beginControlFlow("if (_context.isLogEnabled())");
generateLogForModifiers(method, methodBuilder);
if (method.jql.operationType == JQLType.UPDATE) {
// generate log for content values
SqlBuilderHelper.generateLogForContentValues(method, methodBuilder);
}
// log for where parames
SqlBuilderHelper.generateLogForWhereParameters(method, methodBuilder);
// generate log section - END
methodBuilder.endControlFlow();
methodBuilder.addComment("log section END");
methodBuilder.addCode("\n// execute SQL\n");
switch(updateResultType) {
case DELETE_BEAN:
case DELETE_RAW:
methodBuilder.addStatement("int result = database().delete($S, _sqlWhereStatement, _contentValues.whereArgsAsArray())", daoDefinition.getEntity().getTableName());
if (method.getParent().getParent().generateRx) {
GenericSQLHelper.generateSubjectNext(methodBuilder, SubjectType.DELETE);
}
break;
case UPDATE_BEAN:
case UPDATE_RAW:
if (method.jql.conflictAlgorithmType == ConflictAlgorithmType.NONE) {
methodBuilder.addStatement("int result = database().update($S, _contentValues.values(), _sqlWhereStatement, _contentValues.whereArgsAsArray())", daoDefinition.getEntity().getTableName());
} else {
methodBuilder.addCode("// conflict algorithm $L\n", method.jql.conflictAlgorithmType);
methodBuilder.addStatement("int result = database().updateWithOnConflict($S, _contentValues.values(), _sqlWhereStatement, _contentValues.whereArgsAsArray()), $L)", daoDefinition.getEntity().getTableName(), method.jql.conflictAlgorithmType.getConflictAlgorithm());
}
if (method.getParent().getParent().generateRx) {
GenericSQLHelper.generateSubjectNext(methodBuilder, SubjectType.UPDATE);
}
break;
}
// support for livedata
if (daoDefinition.hasLiveData()) {
methodBuilder.addComment("support for livedata");
methodBuilder.addStatement(BindDaoBuilder.METHOD_NAME_REGISTRY_EVENT + "(result)");
}
methodBuilder.addStatement("return result");
// we add at last javadoc, because need info is built at last.
SqlBuilderHelper.generateJavaDocForContentProvider(method, methodBuilder);
methodBuilder.addJavadoc("@param uri $S\n", method.contentProviderUriTemplate.replace("*", "[*]"));
switch(updateResultType) {
case UPDATE_BEAN:
case UPDATE_RAW:
methodBuilder.addJavadoc("@param contentValues content values\n");
break;
default:
break;
}
methodBuilder.addJavadoc("@param selection dynamic part of <code>where</code> statement $L\n", method.hasDynamicWhereConditions() ? "" : "<b>NOT USED</b>");
methodBuilder.addJavadoc("@param selectionArgs arguments of dynamic part of <code>where</code> statement $L\n", method.hasDynamicWhereConditions() ? "" : "<b>NOT USED</b>");
methodBuilder.addJavadoc("@return number of effected rows\n");
builder.addMethod(methodBuilder.build());
}
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