/*
* 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.phoenix.expression;
import java.sql.Timestamp;
import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
import org.apache.phoenix.expression.visitor.ExpressionVisitor;
import org.apache.phoenix.schema.PDataType;
import org.apache.phoenix.schema.tuple.Tuple;
public class CeilingTimestampExpression extends BaseSingleExpression {
private static final ImmutableBytesWritable tempPtr = new ImmutableBytesWritable();
public CeilingTimestampExpression() {
}
public CeilingTimestampExpression(Expression child) {
super(child);
}
protected int getRoundUpAmount() {
return 1;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
Expression child = children.get(0);
if (child.evaluate(tuple, ptr)) {
PDataType childType = child.getDataType();
tempPtr.set(ptr.get(), ptr.getOffset(), ptr.getLength());
childType.coerceBytes(tempPtr, childType, child.getColumnModifier(), null);
Timestamp value = (Timestamp) childType.toObject(tempPtr);
if (value.getNanos() > 0) {
value = new Timestamp(value.getTime()+getRoundUpAmount());
byte[] b = childType.toBytes(value, child.getColumnModifier());
ptr.set(b);
}
return true;
}
return false;
}
@Override
public final PDataType getDataType() {
return children.get(0).getDataType();
}
@Override
public final <T> T accept(ExpressionVisitor<T> visitor) {
return getChild().accept(visitor);
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder("CEIL(");
for (int i = 0; i < children.size() - 1; i++) {
buf.append(getChild().toString());
}
buf.append(")");
return buf.toString();
}
}