// Copyright (c) 2003-2014, Jodd Team (jodd.org). All Rights Reserved.
package jodd.db.oom.sqlgen.chunks;
import jodd.db.oom.DbEntityDescriptor;
import jodd.db.oom.DbEntityColumnDescriptor;
import jodd.bean.BeanUtil;
import jodd.util.StringUtil;
/**
* Renders complete INSERT statement. This chunk is a bit different than others since it renders a complete SQL
* query for inserting.
*/
public class InsertChunk extends SqlChunk {
protected final String entityName;
protected final Class entityType;
protected final Object data;
public InsertChunk(String entityName, Object data) {
this(entityName, null, data);
}
public InsertChunk(Class entityType, Object data) {
this(null, entityType, data);
}
protected InsertChunk(String entityName, Class entityType, Object data) {
super(CHUNK_INSERT);
this.entityName = entityName;
this.entityType = entityType;
this.data = data;
}
@Override
public void process(StringBuilder out) {
DbEntityDescriptor ded = entityName != null ? lookupName(entityName) : lookupType(entityType);
StringBuilder col = new StringBuilder();
StringBuilder val = new StringBuilder();
DbEntityColumnDescriptor[] decList = ded.getColumnDescriptors();
String typeName = StringUtil.uncapitalize(ded.getEntityName());
int size = 0;
for (DbEntityColumnDescriptor dec : decList) {
String property = dec.getPropertyName();
Object value = BeanUtil.getDeclaredProperty(data, property);
if (value == null) {
continue;
}
if (size > 0) {
col.append(',').append(' ');
val.append(',').append(' ');
}
size++;
col.append(dec.getColumnName());
String propertyName = typeName + '.' + property;
defineParameter(val, propertyName, value, dec);
}
out.append("insert into ").append(ded.getTableName()).append(" (")
.append(col).append(") values (").append(val).append(')');
}
}