content: /*
   * 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.carbondata.core.scan.expression.conditional;
  
  import org.apache.carbondata.core.metadata.datatype.DataType;
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  import org.apache.carbondata.core.scan.expression.Expression;
  import org.apache.carbondata.core.scan.expression.ExpressionResult;
  import org.apache.carbondata.core.scan.expression.exception.FilterIllegalMemberException;
  import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedException;
  import org.apache.carbondata.core.scan.filter.intf.ExpressionType;
  import org.apache.carbondata.core.scan.filter.intf.RowIntf;
  
  public class LessThanEqualToExpression extends BinaryConditionalExpression {
    private static final long serialVersionUID = 1L;
  
    public LessThanEqualToExpression(Expression left, Expression right) {
      super(left, right);
    }
  
    public ExpressionResult evaluate(RowIntf value)
        throws FilterUnsupportedException, FilterIllegalMemberException {
      ExpressionResult elRes = left.evaluate(value);
      ExpressionResult erRes = right.evaluate(value);
      ExpressionResult exprResValue1 = elRes;
      if (elRes.isNull() || erRes.isNull()) {
        elRes.set(DataTypes.BOOLEAN, false);
        return elRes;
      }
      if (elRes.getDataType() != erRes.getDataType()) {
        if (elRes.getDataType().getPrecedenceOrder() < erRes.getDataType().getPrecedenceOrder()) {
          exprResValue1 = erRes;
        }
  
      }
      boolean result = false;
      DataType dataType = exprResValue1.getDataType();
      if (dataType == DataTypes.BOOLEAN) {
        result = elRes.getBoolean().compareTo(erRes.getBoolean()) <= 0;
      } else if (dataType == DataTypes.STRING || dataType == DataTypes.VARCHAR) {
        result = elRes.getString().compareTo(erRes.getString()) <= 0;
      } else if (dataType == DataTypes.SHORT) {
        result = elRes.getShort() <= (erRes.getShort());
      } else if (dataType == DataTypes.INT) {
        result = elRes.getInt() <= (erRes.getInt());
      } else if (dataType == DataTypes.DOUBLE) {
        result = elRes.getDouble() <= (erRes.getDouble());
      } else if (dataType == DataTypes.DATE) {
        result = elRes.getTime() <= (erRes.getTime());
      } else if (dataType == DataTypes.TIMESTAMP) {
        result = elRes.getTimeAsMillisecond() <= (erRes.getTimeAsMillisecond());
      } else if (dataType == DataTypes.LONG) {
        result = elRes.getLong() <= (erRes.getLong());
      } else if (DataTypes.isDecimal(dataType)) {
        result = elRes.getDecimal().compareTo(erRes.getDecimal()) <= 0;
      } else {
        throw new FilterUnsupportedException("DataType: " + exprResValue1.getDataType()
            + " not supported for the filter expression");
      }
      exprResValue1.set(DataTypes.BOOLEAN, result);
      return exprResValue1;
    }
  
    @Override
    public ExpressionType getFilterExpressionType() {
      // TODO Auto-generated method stub
      return ExpressionType.LESSTHAN_EQUALTO;
    }
  
    @Override
    public String getString() {
      return "LessThanEqualTo(" + left.getString() + ',' + right.getString() + ')';
    }
  
    @Override
    public String getStatement() {
      return left.getStatement() + " <= " + right.getStatement();
    }
  }
  