/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.types;
import io.crate.Streamer;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import java.io.IOException;
public class FloatType extends DataType<Float> implements Streamer<Float>, DataTypeFactory, FixedWidthType {
public static final FloatType INSTANCE = new FloatType();
public static final int ID = 7;
private FloatType() {
}
@Override
public int id() {
return ID;
}
@Override
public String getName() {
return "float";
}
@Override
public Streamer<?> streamer() {
return this;
}
@Override
public Float value(Object value) {
if (value == null) {
return null;
}
if (value instanceof Float) {
return (Float) value;
}
if (value instanceof String) {
return Float.parseFloat((String) value);
}
if (value instanceof BytesRef) {
return Float.parseFloat(((BytesRef) value).utf8ToString());
}
double doubleValue = ((Number) value).doubleValue();
if (doubleValue < -Float.MAX_VALUE || Float.MAX_VALUE < doubleValue) {
throw new IllegalArgumentException("float value out of range: " + doubleValue);
}
return ((Number) value).floatValue();
}
@Override
public int compareValueTo(Float val1, Float val2) {
return nullSafeCompareValueTo(val1, val2, Float::compare);
}
@Override
public DataType<?> create() {
return INSTANCE;
}
@Override
public Float readValueFrom(StreamInput in) throws IOException {
return in.readBoolean() ? null : in.readFloat();
}
@Override
public void writeValueTo(StreamOutput out, Object v) throws IOException {
out.writeBoolean(v == null);
if (v != null) {
out.writeFloat(((Number) v).floatValue());
}
}
@Override
public int fixedSize() {
return 16; // object overhead + float
}
}