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Lightweight Object SQL Relational Mapping (OSRM)
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/*
* Copyright 2017 @objectsql.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.objectsql.support;
import com.objectsql.exception.ORMException;
import com.objectsql.query.QueryUtils;
import com.objectsql.utils.ORMUtils;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
public class Columns implements Serializable {
//as
private List columns = new ArrayList();
public Columns(){}
private String alias;
private String [] names;
private String [] asNames;
private String [] fieldNames;
private String asNamePrefix;
public String getAsNamePrefix() {
return asNamePrefix;
}
public void setAsNamePrefix(String asNamePrefix) {
this.asNamePrefix = asNamePrefix;
}
public Columns(String alias){
this.alias = alias;
}
public Columns(String alias, String ... names){
this.alias = alias;
this.names = names;
}
public Columns names(String ... names){
this.names = names;
return this;
}
public Columns names(LambdaQuery ... lambdaQueries){
this.names = QueryUtils.getColumns(lambdaQueries);
return this;
}
/**
* use as
* @param asNames
* @return
*/
@Deprecated
public Columns asNames(String ... asNames){
this.asNames = asNames;
return this;
}
public Columns as(String ... asNames){
this.asNames = asNames;
return this;
}
/**
* use as
* @param lambdaQueries
* @return
* @param
* @param
*/
@Deprecated
public Columns asNames(LambdaQuery ... lambdaQueries){
return as(lambdaQueries);
}
public Columns as(LambdaQuery ... lambdaQueries){
if (lambdaQueries != null) {
String [] names = new String[lambdaQueries.length];
for (int i = 0; i < names.length; i++) {
String column = QueryUtils.getColumn(lambdaQueries[i]);
if (!ORMUtils.isEmpty(column)){
names[i] = column;
}else{
names[i] = QueryUtils.getField(lambdaQueries[i]);
}
}
this.asNames = names;
}
return this;
}
/**
* use asPrefix
* @param asNamePrefix
* @return
*/
@Deprecated
public Columns asNamePrefix(String asNamePrefix){
this.asNamePrefix = asNamePrefix;
return this;
}
public Columns asPrefix(String asNamePrefix){
this.asNamePrefix = asNamePrefix;
return this;
}
public Columns fieldNames(String ... fieldNames){
this.fieldNames = fieldNames;
return this;
}
public Columns c(Column column){
if(column != null){
if(ORMUtils.isEmpty(column.getAlias()) && !ORMUtils.isEmpty(alias)){
column.setAlias(alias);
}
columns.add(column);
}
return this;
}
@Deprecated
public List getColumnList(){
return buildColumns();
}
public List buildColumns() {
List columnList = new ArrayList();
if(names != null && alias != null){
String prefix = asNamePrefix == null?"":asNamePrefix;
if(asNames == null){
if(fieldNames == null) {
for (String name : names) {
if(ORMUtils.isEmpty(prefix)) {
columnList.add(new Column(alias, name));
}else{
columnList.add(new Column(alias, name).as(prefix + name));
}
}
}else{
if(names.length == fieldNames.length){
for(int i = 0; i < names.length; i++){
if(ORMUtils.isEmpty(prefix)) {
columnList.add(new Column(alias, names[i]).fieldName(fieldNames[i]));
}else{
columnList.add(new Column(alias, names[i]).as(prefix + names[i]).fieldName(fieldNames[i]));
}
}
}else{
throw new ORMException("TABLE_QUERY_NAMES_AS_NOT_EQUAL, names length: " +
names.length + ", fieldNames length : " + fieldNames.length);
}
}
}else{
if(names.length == asNames.length){
if(fieldNames != null) {
if (names.length == fieldNames.length) {
for (int i = 0; i < names.length; i++) {
columnList.add(new Column(alias, names[i], prefix + asNames[i]).fieldName(fieldNames[i]));
}
} else {
throw new ORMException("TABLE_QUERY_NAMES_AS_NOT_EQUAL, names length: " +
names.length + ", fieldNames length : " + fieldNames.length);
}
}else {
for (int i = 0; i < names.length; i++) {
columnList.add(new Column(alias, names[i], prefix + asNames[i]));
}
}
}else{
throw new ORMException("TABLE_QUERY_NAMES_AS_NOT_EQUAL, names length: " +
names.length + ", asNames length : " + asNames.length);
}
}
}
for(Column col : columns) {
if(col instanceof CaseColumn){
CaseColumn column = new CaseColumn(col.getFunction(), col.getAlias(), col.getName(), col.getAsName());
column.setFieldName(col.getFieldName());
column.setFormat(col.getFormat());
column.setOperatorInFunction(col.getOperatorInFunction());
column.setQuery(col.getQuery());
column.setType(col.getType());
column.setValue(col.getValue());
CaseColumn caseColumn = (CaseColumn) col;
column.setConditions(caseColumn.getConditions());
column.setElseValue(caseColumn.getElseValue());
columnList.add(column);
}else {
Column column = new Column(col.getFunction(), col.getAlias(), col.getName(), col.getAsName());
column.setFieldName(col.getFieldName());
column.setFormat(col.getFormat());
column.setOperatorInFunction(col.getOperatorInFunction());
column.setQuery(col.getQuery());
column.setType(col.getType());
column.setValue(col.getValue());
if (!ORMUtils.isEmpty(asNamePrefix)) {
if (ORMUtils.isEmpty(column.getAsName())) {
column.setAsName(asNamePrefix + column.getName());
}
if (!ORMUtils.isEmpty(column.getFieldName())) {
column.setFieldName(QueryUtils.displayName(asNamePrefix) +
column.getFieldName().substring(0, 1).toUpperCase(Locale.ROOT) +
column.getFieldName().substring(1));
}
}
columnList.add(column);
}
}
return columnList;
}
}