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Partly generated model of the fields that represent columns in the database. Fields can be used to produce special predicates and functions that contain metadata that Speedment can analyze runtime.

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/**
 *
 * Copyright (c) 2006-2017, Speedment, Inc. All Rights Reserved.
 *
 * 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.speedment.runtime.field;


import com.speedment.runtime.config.identifier.ColumnIdentifier;
import com.speedment.runtime.field.internal.StringFieldImpl;
import com.speedment.runtime.field.method.ReferenceGetter;
import com.speedment.runtime.field.method.ReferenceSetter;
import com.speedment.runtime.field.trait.HasStringOperators;
import com.speedment.runtime.typemapper.TypeMapper;

/**
 * A field that represents a string column.
 * 
 * @param   the entity type
 * @param        the database type
 * 
 * @author  Per Minborg
 * @author  Emil Forslund
 * @since   2.2.0
 * 
 * @see  ComparableField
 * @see  HasStringOperators
 */
public interface StringField extends
    ComparableField, 
    HasStringOperators {

    /**
     * Creates a new {@link StringField} using the default implementation. 
     * 
     * @param     the entity type
     * @param          the database type
     * @param identifier  the column that this field represents
     * @param getter      method reference to the getter in the entity
     * @param setter      method reference to the setter in the entity
     * @param typeMapper  the type mapper that is applied
     * @param unique      represented column only contains unique values
     * 
     * @return            the created field
     */
    static  StringField create(
            ColumnIdentifier identifier,
            ReferenceGetter getter,
            ReferenceSetter setter,
            TypeMapper typeMapper,
            boolean unique) {
        
        return new StringFieldImpl<>(
            identifier, getter, setter, typeMapper, unique
        );
    }
    
}