package com.dooapp.gaedo.finders.informers;
import com.dooapp.gaedo.finders.FieldInformer;
import com.dooapp.gaedo.finders.QueryExpression;
import com.dooapp.gaedo.finders.expressions.ContainsStringExpression;
import com.dooapp.gaedo.finders.expressions.EndsWithExpression;
import com.dooapp.gaedo.finders.expressions.StartsWithExpression;
import com.dooapp.gaedo.properties.Property;
/**
* Informer for fields containing String values
* @author ndx
*
*/
public class StringFieldInformer extends ObjectFieldInformer<String>{
public StringFieldInformer(Property source) {
super(source);
}
/**
* Create an expression checking this field contains the given String
* @param contained string that field should contain
* @return a {@link ContainsStringExpression}
*/
public QueryExpression contains(String contained) {
return new ContainsStringExpression(source, getFieldPath(), contained);
}
/**
* Creates an expression checking this field starts with the given string
* @param start text that should be at start of this field
* @return a {@link StartsWithExpression}
*/
public QueryExpression startsWith(String start) {
return new StartsWithExpression(source, getFieldPath(), start);
}
/**
* Creates an expression checking this field ends with the given string
* @param end text that should be at end of this field
* @return a {@link EndsWithExpression}
*/
public QueryExpression endsWith(String end) {
return new EndsWithExpression(source, getFieldPath(), end);
}
@Override
protected StringFieldInformer clone() {
return new StringFieldInformer(source);
}
}