/**
* 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.record.compiler;
import org.apache.hadoop.record.compiler.JType.CType;
import org.apache.hadoop.record.compiler.JType.CppType;
/**
* Code generator for "int" type
*/
public class JInt extends JType {
class JavaInt extends JavaType {
JavaInt() {
super("int", "Int", "Integer");
}
void genSlurpBytes(CodeBuffer cb, String b, String s, String l) {
cb.append("{\n");
cb.append("int i = org.apache.hadoop.record.Utils.readVInt("+b+", "+s+");\n");
cb.append("int z = org.apache.hadoop.record.Utils.getVIntSize(i);\n");
cb.append(s+"+=z; "+l+"-=z;\n");
cb.append("}\n");
}
void genCompareBytes(CodeBuffer cb) {
cb.append("{\n");
cb.append("int i1 = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n");
cb.append("int i2 = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n");
cb.append("if (i1 != i2) {\n");
cb.append("return ((i1-i2) < 0) ? -1 : 0;\n");
cb.append("}\n");
cb.append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n");
cb.append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n");
cb.append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n");
cb.append("}\n");
}
}
/** Creates a new instance of JInt */
public JInt() {
setJavaType(new JavaInt());
setCppType(new CppType("int32_t"));
setCType(new CType());
}
String getSignature() {
return "i";
}
}