org.apache.hudi.org.apache.hadoop.hbase.filter.BigDecimalComparator 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 org.apache.hadoop.hbase.filter;
import java.math.BigDecimal;
import java.nio.ByteBuffer;
import java.util.Objects;
import org.apache.hadoop.hbase.exceptions.DeserializationException;
import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;
import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ComparatorProtos;
import org.apache.hadoop.hbase.util.ByteBufferUtils;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.yetus.audience.InterfaceAudience;
/**
* A BigDecimal comparator which numerical compares against the specified byte array
*/
@InterfaceAudience.Public
@SuppressWarnings("ComparableType") // Should this move to Comparator usage?
public class BigDecimalComparator extends ByteArrayComparable {
private BigDecimal bigDecimal;
public BigDecimalComparator(BigDecimal value) {
super(Bytes.toBytes(value));
this.bigDecimal = value;
}
@Override
public boolean equals(Object obj) {
if (obj == null || !(obj instanceof BigDecimalComparator)) {
return false;
}
if (this == obj) {
return true;
}
BigDecimalComparator bdc = (BigDecimalComparator) obj;
return this.bigDecimal.equals(bdc.bigDecimal);
}
@Override
public int hashCode() {
return Objects.hash(this.bigDecimal);
}
@Override
public int compareTo(byte[] value, int offset, int length) {
BigDecimal that = Bytes.toBigDecimal(value, offset, length);
return this.bigDecimal.compareTo(that);
}
@Override
public int compareTo(ByteBuffer value, int offset, int length) {
BigDecimal that = ByteBufferUtils.toBigDecimal(value, offset, length);
return this.bigDecimal.compareTo(that);
}
/**
* @return The comparator serialized using pb
*/
@Override
public byte[] toByteArray() {
ComparatorProtos.BigDecimalComparator.Builder builder =
ComparatorProtos.BigDecimalComparator.newBuilder();
builder.setComparable(ProtobufUtil.toByteArrayComparable(this.value));
return builder.build().toByteArray();
}
/**
* @param pbBytes A pb serialized {@link BigDecimalComparator} instance
* @return An instance of {@link BigDecimalComparator} made from bytes
* @throws DeserializationException A deserialization exception
* @see #toByteArray
*/
public static BigDecimalComparator parseFrom(final byte[] pbBytes)
throws DeserializationException {
ComparatorProtos.BigDecimalComparator proto;
try {
proto = ComparatorProtos.BigDecimalComparator.parseFrom(pbBytes);
} catch (InvalidProtocolBufferException e) {
throw new DeserializationException(e);
}
return new BigDecimalComparator(Bytes.toBigDecimal(proto.getComparable().getValue()
.toByteArray()));
}
/**
* @param other the other comparator
* @return true if and only if the fields of the comparator that are serialized are equal to the
* corresponding fields in other. Used for testing.
*/
boolean areSerializedFieldsEqual(BigDecimalComparator other) {
if (other == this) {
return true;
}
return super.areSerializedFieldsEqual(other);
}
}