net.oneandone.troilus.ColumnName Maven / Gradle / Ivy
/*
* Copyright 1&1 Internet AG, https://github.com/1and1/
*
* 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 net.oneandone.troilus;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import net.oneandone.troilus.java7.Record;
import com.datastax.driver.core.TupleValue;
import com.google.common.collect.ImmutableList;
/**
* A name which defines the class type of the associated value type
*
* @param the value type
*/
public abstract class ColumnName {
private final String name;
private ColumnName(String name) {
this.name = name;
}
/**
* @return the name
*/
public String getName() {
return name;
}
abstract T read(Record record);
/**
* defines a new name
*
* @param name the name
* @param type the value type
* @param the name type
* @return a new instance
*/
public static ColumnName define(String name, Class type) {
return new SkalarName<>(name, type);
}
/**
* defines a new list name
*
* @param name the name
* @param elementType the list member value type
* @param the name type
* @return a new instance
*/
public static ColumnName> defineList(String name, Class elementType) {
return new ListName<>(name, elementType);
}
/**
* defines a new set name
*
* @param name the name
* @param elementType the set member value type
* @param the name type
* @return a new instance
*/
public static ColumnName> defineSet(String name, Class elementType) {
return new SetName<>(name, elementType);
}
/**
* defines a new set name
*
* @param name the name
* @param keyType the set member key type
* @param valueType the set member value type
* @param the member key name type
* @param the member value type
* @return a new instance
*/
public static ColumnName> defineMap(String name, Class keyType, Class valueType) {
return new MapName<>(name, keyType, valueType);
}
/**
* defines a new name with Long-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineLong(String name) {
return define(name, Long.class);
}
/**
* defines a new name with String-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineString(String name) {
return define(name, String.class);
}
/**
* defines a new name with Boolean-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineBool(String name) {
return define(name, Boolean.class);
}
/**
* defines a new name with ByteBuffer-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineByteBuffer(String name) {
return define(name, ByteBuffer.class);
}
/**
* defines a new name with Float-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineFloat(String name) {
return define(name, Float.class);
}
/**
* defines a new name with Date-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineDate(String name) {
return define(name, Date.class);
}
/**
* defines a new name with Decimal-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineDecimal(String name) {
return define(name, BigDecimal.class);
}
/**
* defines a new name with Integer-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineInt(String name) {
return define(name, Integer.class);
}
/**
* defines a new name with InetAddress-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineInet(String name) {
return define(name, InetAddress.class);
}
/**
* defines a new name with Varint-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineVarint(String name) {
return define(name, BigInteger.class);
}
/**
* defines a new name with TupleValue-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineTupleValue(String name) {
return define(name, TupleValue.class);
}
/**
* defines a new name with UUID-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineUUID(String name) {
return define(name, UUID.class);
}
/**
* defines a new name with ByteBuffer-typed value
*
* @param name the name
* @return a new instance
*/
public static ColumnName defineBytes(String name) {
return define(name, byte[].class);
}
private static class SkalarName extends ColumnName {
private final Class type;
/**
* @param name the name
* @param type the value type
*/
SkalarName(String name, Class type) {
super(name);
this.type = type;
}
@SuppressWarnings("unchecked")
@Override
T read(Record record) {
return (T) record.getValue(getName(), (Class © 2015 - 2025 Weber Informatics LLC | Privacy Policy