if (from.getValue() != null) { to.setValue(from.getValue()); } if (from.getFile() != null) { to.setFile(from.getFile()); } if (from.getResource() != null) { to.setResource(from.getResource()); } if (from.getPrefix() != null) { to.setPrefix(from.getPrefix()); }
if (from.getPrefix() != null) { to.setPrefix(from.getPrefix()); } if (from.getRefid() != null) { to.setRefid(from.getRefid()); } if (from.getEnvironment() != null) { to.setEnvironment(from.getEnvironment()); } if (from.getClasspath() != null) { to.setClasspath(from.getClasspath()); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/SubAnt.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/SubAnt.java
Method name: void copyProperty(Property, Property) Method name: void copyProperty(Property, Property)
Number of AST nodes: 8 Number of AST nodes: 8
1
if (from.getValue() != null) {
1
if (from.getPrefix() != null) {
2
            to.setValue(from.getValue());
2
            to.setPrefix(from.getPrefix());
3
        }
3
        }
4
        if (from.getFile() != null) {
4
        if (from.getRefid() != null) {
5
            to.setFile(from.getFile());
5
            to.setRefid(from.getRefid());
6
        }
6
        }
7
        if (from.getResource() != null) {
7
        if (from.getEnvironment() != null) {
8
            to.setResource(from.getResource());
8
            to.setEnvironment(from.getEnvironment());
9
        }
9
        }
10
        if (from.getPrefix() != null) {
10
        if (from.getClasspath() != null) {
11
            to.setPrefix(from.getPrefix());
11
            to.setClasspath(from.getClasspath());
12
        }
12
        }
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)1.1
Clones locationClones are in the same method
Number of node comparisons46
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    2
    if (from.getValue() != null)
    2
    if (from.getValue() != null)
    8
    if (from.getPrefix() != null)
    Differences
    Expression1Expression2Difference
    getValuegetPrefixMETHOD_INVOCATION_NAME_MISMATCH
    8
    if (from.getPrefix() != null)
    3
    to.setValue(from.getValue());
    3
    to.setValue(from.getValue());
    9
    to.setPrefix(from.getPrefix());
    Differences
    Expression1Expression2Difference
    setValuesetPrefixMETHOD_INVOCATION_NAME_MISMATCH
    getValuegetPrefixMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression to.setValue(from.getValue()) is a void method call, and thus it cannot be parameterized
    Expression to.setPrefix(from.getPrefix()) is a void method call, and thus it cannot be parameterized
    9
    to.setPrefix(from.getPrefix());
    4
    if (from.getFile() != null)
    4
    if (from.getFile() != null)
    10
    if (from.getRefid() != null)
    Differences
    Expression1Expression2Difference
    getFilegetRefidMETHOD_INVOCATION_NAME_MISMATCH
    java.io.Fileorg.apache.tools.ant.types.ReferenceVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.File of variable from.getFile() does not match with type org.apache.tools.ant.types.Reference of variable from.getRefid()
    • Make classes java.io.File and org.apache.tools.ant.types.Reference extend a common superclass
    10
    if (from.getRefid() != null)
    5
    to.setFile(from.getFile());
    5
    to.setFile(from.getFile());
    11
    to.setRefid(from.getRefid());
    Differences
    Expression1Expression2Difference
    setFilesetRefidMETHOD_INVOCATION_NAME_MISMATCH
    getFilegetRefidMETHOD_INVOCATION_NAME_MISMATCH
    java.io.Fileorg.apache.tools.ant.types.ReferenceVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression to.setFile(from.getFile()) is a void method call, and thus it cannot be parameterized
    Expression to.setRefid(from.getRefid()) is a void method call, and thus it cannot be parameterized
    Type java.io.File of variable from.getFile() does not match with type org.apache.tools.ant.types.Reference of variable from.getRefid()
    • Make classes java.io.File and org.apache.tools.ant.types.Reference extend a common superclass
    11
    to.setRefid(from.getRefid());
    6
    if (from.getResource() != null)
    6
    if (from.getResource() != null)
    12
    if (from.getEnvironment() != null)
    Differences
    Expression1Expression2Difference
    getResourcegetEnvironmentMETHOD_INVOCATION_NAME_MISMATCH
    12
    if (from.getEnvironment() != null)
    7
    to.setResource(from.getResource());
    7
    to.setResource(from.getResource());
    13
    to.setEnvironment(from.getEnvironment());
    Differences
    Expression1Expression2Difference
    setResourcesetEnvironmentMETHOD_INVOCATION_NAME_MISMATCH
    getResourcegetEnvironmentMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression to.setResource(from.getResource()) is a void method call, and thus it cannot be parameterized
    Expression to.setEnvironment(from.getEnvironment()) is a void method call, and thus it cannot be parameterized
    13
    to.setEnvironment(from.getEnvironment());
    8
    if (from.getPrefix() != null)
    8
    if (from.getPrefix() != null)
    14
    if (from.getClasspath() != null)
    Differences
    Expression1Expression2Difference
    getPrefixgetClasspathMETHOD_INVOCATION_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.types.PathVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable from.getPrefix() does not match with type org.apache.tools.ant.types.Path of variable from.getClasspath()
    • Make classes java.lang.String and org.apache.tools.ant.types.Path extend a common superclass
    14
    if (from.getClasspath() != null)
    9
    to.setPrefix(from.getPrefix());
    9
    to.setPrefix(from.getPrefix());
    15
    to.setClasspath(from.getClasspath());
    Differences
    Expression1Expression2Difference
    setPrefixsetClasspathMETHOD_INVOCATION_NAME_MISMATCH
    getPrefixgetClasspathMETHOD_INVOCATION_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.types.PathVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression to.setPrefix(from.getPrefix()) is a void method call, and thus it cannot be parameterized
    Expression to.setClasspath(from.getClasspath()) is a void method call, and thus it cannot be parameterized
    Type java.lang.String of variable from.getPrefix() does not match with type org.apache.tools.ant.types.Path of variable from.getClasspath()
    • Make classes java.lang.String and org.apache.tools.ant.types.Path extend a common superclass
    15
    to.setClasspath(from.getClasspath());
    Precondition Violations (12)
    Row Violation
    1Expression to.setValue(from.getValue()) is a void method call, and thus it cannot be parameterized
    2Expression to.setPrefix(from.getPrefix()) is a void method call, and thus it cannot be parameterized
    3Type java.io.File of variable from.getFile() does not match with type org.apache.tools.ant.types.Reference of variable from.getRefid()
    4Expression to.setFile(from.getFile()) is a void method call, and thus it cannot be parameterized
    5Expression to.setRefid(from.getRefid()) is a void method call, and thus it cannot be parameterized
    6Type java.io.File of variable from.getFile() does not match with type org.apache.tools.ant.types.Reference of variable from.getRefid()
    7Expression to.setResource(from.getResource()) is a void method call, and thus it cannot be parameterized
    8Expression to.setEnvironment(from.getEnvironment()) is a void method call, and thus it cannot be parameterized
    9Type java.lang.String of variable from.getPrefix() does not match with type org.apache.tools.ant.types.Path of variable from.getClasspath()
    10Expression to.setPrefix(from.getPrefix()) is a void method call, and thus it cannot be parameterized
    11Expression to.setClasspath(from.getClasspath()) is a void method call, and thus it cannot be parameterized
    12Type java.lang.String of variable from.getPrefix() does not match with type org.apache.tools.ant.types.Path of variable from.getClasspath()