com.datastax.oss.driver.internal.core.type.codec.TimeUuidCodec Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.datastax.oss.driver.internal.core.type.codec;
import com.datastax.oss.driver.api.core.ProtocolVersion;
import com.datastax.oss.driver.api.core.type.DataType;
import com.datastax.oss.driver.api.core.type.DataTypes;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;
import java.nio.ByteBuffer;
import java.util.UUID;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
public class TimeUuidCodec extends UuidCodec {
@NonNull
@Override
public DataType getCqlType() {
return DataTypes.TIMEUUID;
}
@Override
public boolean accepts(@NonNull Object value) {
return value instanceof UUID && ((UUID) value).version() == 1;
}
@Override
public boolean accepts(@NonNull Class javaClass) {
return javaClass == UUID.class;
}
@Nullable
@Override
public ByteBuffer encode(@Nullable UUID value, @NonNull ProtocolVersion protocolVersion) {
if (value == null) {
return null;
} else if (value.version() != 1) {
throw new IllegalArgumentException(
String.format("%s is not a Type 1 (time-based) UUID", value));
} else {
return super.encode(value, protocolVersion);
}
}
@NonNull
@Override
public String format(@Nullable UUID value) {
if (value == null) {
return "NULL";
} else if (value.version() != 1) {
throw new IllegalArgumentException(
String.format("%s is not a Type 1 (time-based) UUID", value));
} else {
return super.format(value);
}
}
}