com.blazebit.persistence.criteria.impl.expression.function.CastFunction Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* 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.blazebit.persistence.criteria.impl.expression.function;
import com.blazebit.persistence.criteria.impl.BlazeCriteriaBuilderImpl;
import com.blazebit.persistence.criteria.impl.expression.AbstractExpression;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* @author Christian Beikov
* @since 1.2.0
*/
public class CastFunction extends FunctionFunction {
private static final long serialVersionUID = 1L;
private static final Map, String> SUFFIXES;
public CastFunction(BlazeCriteriaBuilderImpl criteriaBuilder, Class javaType, AbstractExpression expression) {
super(criteriaBuilder, javaType, "CAST_" + castSuffix(javaType), expression);
}
static {
Map, String> s = new HashMap, String>();
s.put(Boolean.class, "BOOLEAN");
s.put(Boolean.TYPE, "BOOLEAN");
s.put(Byte.class, "BYTE");
s.put(Byte.TYPE, "BYTE");
s.put(Short.class, "SHORT");
s.put(Short.TYPE, "SHORT");
s.put(Integer.class, "INTEGER");
s.put(Integer.TYPE, "INTEGER");
s.put(Long.class, "LONG");
s.put(Long.TYPE, "LONG");
s.put(Float.class, "FLOAT");
s.put(Float.TYPE, "FLOAT");
s.put(Double.class, "DOUBLE");
s.put(Double.TYPE, "DOUBLE");
s.put(Character.class, "CHARACTER");
s.put(Character.TYPE, "CHARACTER");
s.put(String.class, "STRING");
s.put(BigInteger.class, "BIGINTEGER");
s.put(BigDecimal.class, "BIGDECIMAL");
s.put(Time.class, "TIME");
s.put(Date.class, "DATE");
s.put(Timestamp.class, "TIMESTAMP");
s.put(java.util.Date.class, "TIMESTAMP");
s.put(java.util.Calendar.class, "CALENDAR");
SUFFIXES = Collections.unmodifiableMap(s);
}
private static String castSuffix(Class t) {
String suffix = SUFFIXES.get(t);
if (suffix == null) {
throw new IllegalArgumentException("Unsupported cast type: " + t.getName());
}
return suffix;
}
}