/* * 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.math.BigDecimal; import java.util.List; import org.apache.hadoop.hbase.io.ImmutableBytesWritable; import org.apache.phoenix.query.QueryConstants; import org.apache.phoenix.schema.SortOrder; import org.apache.phoenix.schema.tuple.Tuple; import org.apache.phoenix.schema.types.PDataType; import org.apache.phoenix.schema.types.PDate; import org.apache.phoenix.schema.types.PDecimal; import org.apache.phoenix.schema.types.PDouble; import org.apache.phoenix.schema.types.PLong; public class DateAddExpression extends AddExpression { static private final BigDecimal BD_MILLIS_IN_DAY = BigDecimal.valueOf(QueryConstants.MILLIS_IN_DAY); public DateAddExpression() { } public DateAddExpression(List<Expression> children) { super(children); } @Override public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) { long finalResult=0; for(int i=0;i<children.size();i++) { if (!children.get(i).evaluate(tuple, ptr)) { return false; } if (ptr.getLength() == 0) { return true; } long value; PDataType type = children.get(i).getDataType(); SortOrder sortOrder = children.get(i).getSortOrder(); if (type == PDecimal.INSTANCE) { BigDecimal bd = (BigDecimal) PDecimal.INSTANCE.toObject(ptr, type, sortOrder); value = bd.multiply(BD_MILLIS_IN_DAY).longValue(); } else if (type.isCoercibleTo(PLong.INSTANCE)) { value = type.getCodec().decodeLong(ptr, sortOrder) * QueryConstants.MILLIS_IN_DAY; } else if (type.isCoercibleTo(PDouble.INSTANCE)) { value = (long)(type.getCodec().decodeDouble(ptr, sortOrder) * QueryConstants.MILLIS_IN_DAY); } else { value = type.getCodec().decodeLong(ptr, sortOrder); } finalResult += value; } byte[] resultPtr = new byte[getDataType().getByteSize()]; getDataType().getCodec().encodeLong(finalResult, resultPtr, 0); ptr.set(resultPtr); return true; } @Override public final PDataType getDataType() { return PDate.INSTANCE; } @Override public ArithmeticExpression clone(List<Expression> children) { return new DateAddExpression(children); } }