if (nestedSequential == null) { throw new BuildException("Missing sequential element"); } if (name == null) { throw new BuildException("Name not specified"); } name = ProjectHelper.genComponentName(getURI(), name); MyAntTypeDefinition def = new MyAntTypeDefinition(this); def.setName(name); def.setClass(MacroInstance.class); ComponentHelper helper = ComponentHelper.getComponentHelper( getProject()); helper.addDataTypeDefinition(def); log("creating macro " + name, Project.MSG_VERBOSE);
if (owner == null) { throw new RuntimeException("no owner"); } if (owner.getProject() == null) { throw new RuntimeException("Owner has no project"); } File dir = owner.getProject().getBaseDir(); if (directory != null) { dir = directory; } ExecuteStreamHandler handler = new LogStreamHandler(owner, Project.MSG_INFO, Project.MSG_WARN); executable = new Execute(handler, null); executable.setAntRun(owner.getProject()); executable.setWorkingDirectory(dir);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/MacroDef.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/dotnet/NetCommand.java
Method name: void execute() Method name: void prepareExecutor()
Number of AST nodes: 11 Number of AST nodes: 11
1
if (nestedSequential == null) {
1
if (owner == null) {
2
            throw new BuildException("Missing sequential element");
2
            throw new RuntimeException("no owner");
3
        }
3
        }
4
        if (name == null) {
4
        if (owner.getProject() == null) {
5
            throw new BuildException("Name not specified");
5
            throw new RuntimeException("Owner has no project");
6
        }
6
        }
7
        name = ProjectHelper.genComponentName(getURI(), name);
7
        File dir = owner.getProject().getBaseDir();
8
        MyAntTypeDefinition def = new MyAntTypeDefinition(this);
8
        
9
        def.setName(name);
10
        def.setClass(MacroInstance.class);
11
        ComponentHelper helper = ComponentHelper.getComponentHelp
9
if (directory != null) {
10
            dir = directory;
11
        }
12
er(
12
        ExecuteStreamHandler handler = new LogStreamHandler(owner,
13
            getProject());
13
                Project.MSG_INFO, Project.MSG_WARN);
14
        helper.addDataTypeDefinition(def);
14
        
15
        log("creating macro  " + name, Project.MSG_VERBOSE
15
executable = new Execute(handler, null);
16
        executable.setAntRun(owner.getProject());
16
);
17
        executable.setWorkingDirectory(dir);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)5.2
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (nestedSequential == null)
    1
    if (nestedSequential == null)
    1
    if (owner == null)
    Differences
    Expression1Expression2Difference
    nestedSequentialownerVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.MacroDef.NestedSequentialorg.apache.tools.ant.TaskVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.MacroDef.NestedSequential of variable nestedSequential does not match with type org.apache.tools.ant.Task of variable owner
    • Make classes org.apache.tools.ant.taskdefs.MacroDef.NestedSequential and org.apache.tools.ant.Task extend a common superclass
    1
    if (owner == null)
    2
    throw new BuildException("Missing sequential element");
    2
    throw new BuildException("Missing sequential element");
    2
    throw new RuntimeException("no owner");
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.BuildExceptionjava.lang.RuntimeExceptionSUBCLASS_TYPE_MISMATCH
    "Missing sequential element""no owner"LITERAL_VALUE_MISMATCH
    2
    throw new RuntimeException("no owner");
    Precondition Violations (1)
    Row Violation
    1Type org.apache.tools.ant.taskdefs.MacroDef.NestedSequential of variable nestedSequential does not match with type org.apache.tools.ant.Task of variable owner