| /* |
| * 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. |
| */ |
| <@pp.dropOutputFile /> |
| |
| |
| |
| <#list numericTypes.numericFunctions as numericFunc> |
| <@pp.changeOutputFile name="/org/apache/drill/exec/expr/fn/impl/${numericFunc.className}Functions.java" /> |
| |
| <#include "/@includes/license.ftl" /> |
| |
| <#-- A utility class that is used to generate java code for numeric functions --> |
| |
| /* |
| * This class is automatically generated from NumericTypes.tdd using FreeMarker. |
| */ |
| |
| package org.apache.drill.exec.expr.fn.impl; |
| |
| import org.apache.drill.exec.expr.DrillSimpleFunc; |
| import org.apache.drill.exec.expr.annotations.FunctionTemplate; |
| import org.apache.drill.exec.expr.annotations.FunctionTemplate.NullHandling; |
| import org.apache.drill.exec.expr.annotations.FunctionTemplate.FunctionScope; |
| import org.apache.drill.exec.expr.annotations.Output; |
| import org.apache.drill.exec.expr.annotations.Param; |
| import org.apache.drill.exec.expr.annotations.Workspace; |
| import org.apache.drill.exec.expr.holders.BigIntHolder; |
| import org.apache.drill.exec.expr.holders.NullableBigIntHolder; |
| import org.apache.drill.exec.expr.holders.IntHolder; |
| import org.apache.drill.exec.expr.holders.NullableIntHolder; |
| import org.apache.drill.exec.expr.holders.SmallIntHolder; |
| import org.apache.drill.exec.expr.holders.NullableSmallIntHolder; |
| import org.apache.drill.exec.expr.holders.TinyIntHolder; |
| import org.apache.drill.exec.expr.holders.NullableTinyIntHolder; |
| import org.apache.drill.exec.expr.holders.UInt1Holder; |
| import org.apache.drill.exec.expr.holders.NullableUInt1Holder; |
| import org.apache.drill.exec.expr.holders.UInt2Holder; |
| import org.apache.drill.exec.expr.holders.NullableUInt2Holder; |
| import org.apache.drill.exec.expr.holders.UInt4Holder; |
| import org.apache.drill.exec.expr.holders.NullableUInt4Holder; |
| import org.apache.drill.exec.expr.holders.UInt8Holder; |
| import org.apache.drill.exec.expr.holders.NullableUInt8Holder; |
| import org.apache.drill.exec.expr.holders.Float4Holder; |
| import org.apache.drill.exec.expr.holders.NullableFloat4Holder; |
| import org.apache.drill.exec.expr.holders.Float8Holder; |
| import org.apache.drill.exec.expr.holders.NullableFloat8Holder; |
| import org.apache.drill.exec.expr.holders.VarDecimalHolder; |
| import org.apache.drill.exec.expr.holders.NullableVarDecimalHolder; |
| import org.apache.drill.exec.expr.holders.VarCharHolder; |
| import org.apache.drill.exec.expr.holders.NullableVarCharHolder; |
| import org.apache.drill.exec.record.RecordBatch; |
| |
| /* |
| * This class is generated using freemarker and the ${.template_name} template. |
| */ |
| @SuppressWarnings("unused") |
| |
| public class ${numericFunc.className}Functions { |
| static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(${numericFunc.className}Functions.class); |
| |
| <#list numericFunc.types as type> |
| |
| <#if numericFunc.aliasName == ""> |
| @FunctionTemplate(name = "${numericFunc.funcName}", scope = FunctionTemplate.FunctionScope.SIMPLE) |
| <#else> |
| @FunctionTemplate(names = {"${numericFunc.funcName}", "${numericFunc.aliasName}"}, scope = FunctionTemplate.FunctionScope.SIMPLE) |
| </#if> |
| public static class ${type.inputType}${numericFunc.className} implements DrillSimpleFunc{ |
| |
| @Param ${type.inputType}Holder in; |
| @Output ${numericFunc.outputType}Holder out; |
| <#if type.intype != "numeric"> |
| @Workspace java.util.regex.Pattern pattern; |
| @Workspace java.util.regex.Matcher matcher; |
| </#if> |
| |
| public void setup() { |
| <#if type.intype != "numeric"> |
| pattern = java.util.regex.Pattern.compile("[-+]?\\d+(\\.\\d+)?"); |
| matcher = pattern.matcher(""); |
| </#if> |
| } |
| |
| public void eval() { |
| |
| <#if type.intype == "char"> |
| <#if type.inputType?matches("^Nullable.*")> |
| if(in.isSet==0){ |
| out.value = 0; |
| return; |
| } |
| </#if> |
| String s = org.apache.drill.exec.expr.fn.impl.StringFunctionHelpers.toStringFromUTF8(in.start, in.end, in.buffer); |
| out.value = matcher.reset(s).matches() ? 1 : 0; |
| |
| |
| <#elseif type.intype == "numeric"> |
| <#if type.inputType?matches("^Nullable.*")> |
| if(in.isSet==0){ |
| out.value = 0; |
| return; |
| } |
| </#if> |
| out.value = 1; |
| </#if> |
| |
| } |
| } |
| |
| |
| </#list> |
| } |
| </#list> |