```
public interface IJavaSearchConstants
```
This interface defines the constants used by the search engine.

This interface declares constants only.

See Also:

SearchEngine

Restriction:

This interface is not intended to be implemented by clients.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ALL_OCCURRENCES`	The search result is a declaration, a reference, or an implementer of an interface.
`static char[]`	`ALL_UNNAMED`	The unnamed module is represented by this constant for making the intent explicit in searches involving modules
`static int`	`ANNOTATION_TYPE`	The searched element is an annotation type.
`static int`	`ANNOTATION_TYPE_REFERENCE`	Return only type references used as an annotation.
`static int`	`CANCEL_IF_NOT_READY_TO_SEARCH`	The search operation throws an `org.eclipse.core.runtime.OperationCanceledException` if the underlying indexer has not finished indexing the workspace.
`static boolean`	`CASE_INSENSITIVE`	Deprecated. Use the methods that take the matchMode without `SearchPattern.R_CASE_SENSITIVE` as a matchRule instead.
`static boolean`	`CASE_SENSITIVE`	Deprecated. Use the methods that take the matchMode with `SearchPattern.R_CASE_SENSITIVE` as a matchRule instead.
`static int`	`CAST_TYPE_REFERENCE`	Return only type references used in a cast expression.
`static int`	`CATCH_TYPE_REFERENCE`	Return only type references used in a catch header.
`static int`	`CLASS`	The searched element is a class.
`static int`	`CLASS_AND_ENUM`	The searched element is a class or enum type.
`static int`	`CLASS_AND_INTERFACE`	The searched element is a class or interface type.
`static int`	`CLASS_INSTANCE_CREATION_TYPE_REFERENCE`	Return only type references used in class instance creation.
`static int`	`CONSTRUCTOR`	The searched element is a constructor.
`static int`	`DECLARATIONS`	The search result is a declaration.
`static int`	`ENUM`	The searched element is an enum.
`static int`	`EXACT_MATCH`	Deprecated. Use `SearchPattern.R_EXACT_MATCH` instead.
`static int`	`FIELD`	The searched element is a field.
`static int`	`FIELD_DECLARATION_TYPE_REFERENCE`	Return only type references used as the type of a field declaration.
`static int`	`FORCE_IMMEDIATE_SEARCH`	The search operation starts immediately, even if the underlying indexer has not finished indexing the workspace.
`static int`	`IGNORE_DECLARING_TYPE`	Ignore declaring type while searching result.
`static int`	`IGNORE_RETURN_TYPE`	Ignore return type while searching result.
`static int`	`IMPLEMENTORS`	The search result is a type that implements an interface or extends a class.
`static int`	`IMPLICIT_THIS_REFERENCE`	Return only field accesses or method invocations without any qualification.
`static int`	`IMPORT_DECLARATION_TYPE_REFERENCE`	Return only type references used in an import declaration.
`static int`	`INSTANCEOF_TYPE_REFERENCE`	Return only type references used as a type of an `instanceof` expression.
`static int`	`INTERFACE`	The searched element is an interface.
`static int`	`INTERFACE_AND_ANNOTATION`	The searched element is an interface or annotation type.
`static int`	`LOCAL_VARIABLE_DECLARATION_TYPE_REFERENCE`	Return only type references used as the type of a local variable declaration.
`static int`	`METHOD`	The searched element is a method.
`static int`	`METHOD_REFERENCE_EXPRESSION`	Return only method reference expressions, e.g.
`static int`	`MODULE`	The searched element is a module.
`static int`	`MODULE_GRAPH`	When searching for Type Declaration matches, and if a module is given, this will find type declaration matches in this module as well as the dependent module graph of the given module.
`static int`	`PACKAGE`	The searched element is a package.
`static int`	`PARAMETER_DECLARATION_TYPE_REFERENCE`	Return only type references used as the type of a method parameter declaration.
`static int`	`PATTERN_MATCH`	Deprecated. Use `SearchPattern.R_PATTERN_MATCH` instead.
`static int`	`PREFIX_MATCH`	Deprecated. Use `SearchPattern.R_PREFIX_MATCH` instead.
`static int`	`QUALIFIED_REFERENCE`	Return only qualified field accesses or qualified method invocations.
`static int`	`READ_ACCESSES`	When searching for field matches, it will exclusively find read accesses, as opposed to write accesses.
`static int`	`REFERENCES`	The search result is a reference.
`static int`	`RETURN_TYPE_REFERENCE`	Return only type references used as a method return type.
`static int`	`SUPER_REFERENCE`	Return only super field accesses or super method invocations (e.g. using the `super` qualifier).
`static int`	`SUPERTYPE_TYPE_REFERENCE`	Return only type references used as a super type or as a super interface.
`static int`	`THIS_REFERENCE`	Return only primary field accesses or primary method invocations (e.g. using the `this` qualifier).
`static int`	`THROWS_CLAUSE_TYPE_REFERENCE`	Return only type references used in a throws clause.
`static int`	`TYPE`	The searched element is a type, which may include classes, interfaces, enums, and annotation types.
`static int`	`TYPE_ARGUMENT_TYPE_REFERENCE`	Return only type references used as a type argument in a parameterized type or a parameterized method.
`static int`	`TYPE_VARIABLE_BOUND_TYPE_REFERENCE`	Return only type references used as a type variable bound.
`static int`	`UNKNOWN`	The nature of searched element or the nature of match in unknown.
`static int`	`WAIT_UNTIL_READY_TO_SEARCH`	The search operation waits for the underlying indexer to finish indexing the workspace before starting the search.
`static int`	`WILDCARD_BOUND_TYPE_REFERENCE`	Return only type references used as a wildcard bound.
`static int`	`WRITE_ACCESSES`	When searching for field matches, it will exclusively find write accesses, as opposed to read accesses.

- Field Detail
  - UNKNOWN
```
static final int UNKNOWN
```
    The nature of searched element or the nature of match in unknown.
    
    See Also:
    
    Constant Field Values
  - TYPE
```
static final int TYPE
```
    The searched element is a type, which may include classes, interfaces, enums, and annotation types.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - METHOD
```
static final int METHOD
```
    The searched element is a method.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - PACKAGE
```
static final int PACKAGE
```
    The searched element is a package.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - CONSTRUCTOR
```
static final int CONSTRUCTOR
```
    The searched element is a constructor.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - FIELD
```
static final int FIELD
```
    The searched element is a field.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - CLASS
```
static final int CLASS
```
    The searched element is a class. More selective than using TYPE.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - INTERFACE
```
static final int INTERFACE
```
    The searched element is an interface. More selective than using TYPE.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - ENUM
```
static final int ENUM
```
    The searched element is an enum. More selective than using TYPE.
    
    Since:
    
    3.1
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - ANNOTATION_TYPE
```
static final int ANNOTATION_TYPE
```
    The searched element is an annotation type. More selective than using TYPE.
    
    Since:
    
    3.1
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - CLASS_AND_ENUM
```
static final int CLASS_AND_ENUM
```
    The searched element is a class or enum type. More selective than using TYPE.
    
    Since:
    
    3.1
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - CLASS_AND_INTERFACE
```
static final int CLASS_AND_INTERFACE
```
    The searched element is a class or interface type. More selective than using TYPE.
    
    Since:
    
    3.1
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - INTERFACE_AND_ANNOTATION
```
static final int INTERFACE_AND_ANNOTATION
```
    The searched element is an interface or annotation type. More selective than using TYPE.
    
    Since:
    
    3.3
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - MODULE
```
static final int MODULE
```
    The searched element is a module.
    
    Since:
    
    3.14
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    searchFor
  - DECLARATIONS
```
static final int DECLARATIONS
```
    The search result is a declaration. Can be used in conjunction with any of the nature of searched elements so as to better narrow down the search.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - IMPLEMENTORS
```
static final int IMPLEMENTORS
```
    The search result is a type that implements an interface or extends a class. Used in conjunction with either TYPE or CLASS or INTERFACE, it will respectively search for any type implementing/extending a type, or rather exclusively search for classes implementing/extending the type, or interfaces extending the type.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - REFERENCES
```
static final int REFERENCES
```
    The search result is a reference. Can be used in conjunction with any of the nature of searched elements so as to better narrow down the search. References can contain implementers since they are more generic kind of matches.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - ALL_OCCURRENCES
```
static final int ALL_OCCURRENCES
```
    The search result is a declaration, a reference, or an implementer of an interface. Can be used in conjunction with any of the nature of searched elements so as to better narrow down the search.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - READ_ACCESSES
```
static final int READ_ACCESSES
```
    When searching for field matches, it will exclusively find read accesses, as opposed to write accesses. Note that some expressions are considered both as field read/write accesses: for example, x++; x+= 1;
    
    Since:
    
    2.0
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - WRITE_ACCESSES
```
static final int WRITE_ACCESSES
```
    When searching for field matches, it will exclusively find write accesses, as opposed to read accesses. Note that some expressions are considered both as field read/write accesses: for example, x++; x+= 1;
    
    Since:
    
    2.0
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - MODULE_GRAPH
```
static final int MODULE_GRAPH
```
    When searching for Type Declaration matches, and if a module is given, this will find type declaration matches in this module as well as the dependent module graph of the given module.
    
    Since:
    
    3.14
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - IGNORE_DECLARING_TYPE
```
static final int IGNORE_DECLARING_TYPE
```
    Ignore declaring type while searching result. Can be used in conjunction with any of the nature of match.
    
    Since:
    
    3.1
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - IGNORE_RETURN_TYPE
```
static final int IGNORE_RETURN_TYPE
```
    Ignore return type while searching result. Can be used in conjunction with any other nature of match. Note that:
    
    for fields search, pattern will ignore field type
    
    this flag will have no effect for types search
    Since:
    
    3.1
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - FIELD_DECLARATION_TYPE_REFERENCE
```
static final int FIELD_DECLARATION_TYPE_REFERENCE
```
    Return only type references used as the type of a field declaration.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - LOCAL_VARIABLE_DECLARATION_TYPE_REFERENCE
```
static final int LOCAL_VARIABLE_DECLARATION_TYPE_REFERENCE
```
    Return only type references used as the type of a local variable declaration.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - PARAMETER_DECLARATION_TYPE_REFERENCE
```
static final int PARAMETER_DECLARATION_TYPE_REFERENCE
```
    Return only type references used as the type of a method parameter declaration.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - SUPERTYPE_TYPE_REFERENCE
```
static final int SUPERTYPE_TYPE_REFERENCE
```
    Return only type references used as a super type or as a super interface.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - THROWS_CLAUSE_TYPE_REFERENCE
```
static final int THROWS_CLAUSE_TYPE_REFERENCE
```
    Return only type references used in a throws clause.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - CAST_TYPE_REFERENCE
```
static final int CAST_TYPE_REFERENCE
```
    Return only type references used in a cast expression.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - CATCH_TYPE_REFERENCE
```
static final int CATCH_TYPE_REFERENCE
```
    Return only type references used in a catch header.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - CLASS_INSTANCE_CREATION_TYPE_REFERENCE
```
static final int CLASS_INSTANCE_CREATION_TYPE_REFERENCE
```
    Return only type references used in class instance creation.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    Example:
    public class Test { Test() {} static Test bar() { return new Test(); } }
    Searching references to the type Test using this flag in the above snippet will match only the reference in italic.
    Note that array creations are not returned when using this flag.
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - RETURN_TYPE_REFERENCE
```
static final int RETURN_TYPE_REFERENCE
```
    Return only type references used as a method return type.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - IMPORT_DECLARATION_TYPE_REFERENCE
```
static final int IMPORT_DECLARATION_TYPE_REFERENCE
```
    Return only type references used in an import declaration.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - ANNOTATION_TYPE_REFERENCE
```
static final int ANNOTATION_TYPE_REFERENCE
```
    Return only type references used as an annotation.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - TYPE_ARGUMENT_TYPE_REFERENCE
```
static final int TYPE_ARGUMENT_TYPE_REFERENCE
```
    Return only type references used as a type argument in a parameterized type or a parameterized method.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - TYPE_VARIABLE_BOUND_TYPE_REFERENCE
```
static final int TYPE_VARIABLE_BOUND_TYPE_REFERENCE
```
    Return only type references used as a type variable bound.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - WILDCARD_BOUND_TYPE_REFERENCE
```
static final int WILDCARD_BOUND_TYPE_REFERENCE
```
    Return only type references used as a wildcard bound.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - INSTANCEOF_TYPE_REFERENCE
```
static final int INSTANCEOF_TYPE_REFERENCE
```
    Return only type references used as a type of an instanceof expression.
    When this flag is set, only TypeReferenceMatch matches will be returned.
    
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - SUPER_REFERENCE
```
static final int SUPER_REFERENCE
```
    Return only super field accesses or super method invocations (e.g. using the super qualifier).
    When this flag is set, the kind of returned matches will depend on the specified nature of the searched element:
    
    for the FIELD nature, only FieldReferenceMatch matches will be returned,
    
    for the METHOD nature, only MethodReferenceMatch matches will be returned.
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - QUALIFIED_REFERENCE
```
static final int QUALIFIED_REFERENCE
```
    Return only qualified field accesses or qualified method invocations.
    When this flag is set, the kind of returned matches will depend on the specified nature of the searched element:
    
    for the FIELD nature, only FieldReferenceMatch matches will be returned,
    
    for the METHOD nature, only MethodReferenceMatch matches will be returned.
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - THIS_REFERENCE
```
static final int THIS_REFERENCE
```
    Return only primary field accesses or primary method invocations (e.g. using the this qualifier).
    When this flag is set, the kind of returned matches will depend on the specified nature of the searched element:
    
    for the FIELD nature, only FieldReferenceMatch matches will be returned,
    
    for the METHOD nature, only MethodReferenceMatch matches will be returned.
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - IMPLICIT_THIS_REFERENCE
```
static final int IMPLICIT_THIS_REFERENCE
```
    Return only field accesses or method invocations without any qualification.
    When this flag is set, the kind of returned matches will depend on the specified nature of the searched element:
    
    for the FIELD nature, only FieldReferenceMatch matches will be returned,
    
    for the METHOD nature, only MethodReferenceMatch matches will be returned.
    Since:
    
    3.4
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - METHOD_REFERENCE_EXPRESSION
```
static final int METHOD_REFERENCE_EXPRESSION
```
    Return only method reference expressions, e.g. A::foo.
    When this flag is set, only MethodReferenceMatch matches will be returned.
    
    Since:
    
    3.10
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    limitTo
  - EXACT_MATCH
```
static final int EXACT_MATCH
```
    Deprecated.
    Use SearchPattern.R_EXACT_MATCH instead.
    
    The search pattern matches exactly the search result, that is, the source of the search result equals the search pattern.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    matchRule
  - PREFIX_MATCH
```
static final int PREFIX_MATCH
```
    Deprecated.
    Use SearchPattern.R_PREFIX_MATCH instead.
    
    The search pattern is a prefix of the search result.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    matchRule
  - PATTERN_MATCH
```
static final int PATTERN_MATCH
```
    Deprecated.
    Use SearchPattern.R_PATTERN_MATCH instead.
    
    The search pattern contains one or more wild cards ('*') where a wild-card can replace 0 or more characters in the search result.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    matchRule
  - CASE_SENSITIVE
```
static final boolean CASE_SENSITIVE
```
    Deprecated.
    Use the methods that take the matchMode with SearchPattern.R_CASE_SENSITIVE as a matchRule instead.
    
    The search pattern matches the search result only if cases are the same.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    matchRule
  - CASE_INSENSITIVE
```
static final boolean CASE_INSENSITIVE
```
    Deprecated.
    Use the methods that take the matchMode without SearchPattern.R_CASE_SENSITIVE as a matchRule instead.
    
    The search pattern ignores cases in the search result.
    
    See Also:
    
    Constant Field Values
    
    Category:
    
    matchRule
  - FORCE_IMMEDIATE_SEARCH
```
static final int FORCE_IMMEDIATE_SEARCH
```
    The search operation starts immediately, even if the underlying indexer has not finished indexing the workspace. Results will more likely not contain all the matches.
    
    See Also:
    
    Constant Field Values
  - CANCEL_IF_NOT_READY_TO_SEARCH
```
static final int CANCEL_IF_NOT_READY_TO_SEARCH
```
    The search operation throws an org.eclipse.core.runtime.OperationCanceledException if the underlying indexer has not finished indexing the workspace.
    
    See Also:
    
    Constant Field Values
  - WAIT_UNTIL_READY_TO_SEARCH
```
static final int WAIT_UNTIL_READY_TO_SEARCH
```
    The search operation waits for the underlying indexer to finish indexing the workspace before starting the search.
    
    See Also:
    
    Constant Field Values
  - ALL_UNNAMED
```
static final char[] ALL_UNNAMED
```
    The unnamed module is represented by this constant for making the intent explicit in searches involving modules
    
    Since:
    
    3.14

Interface IJavaSearchConstants

Field Summary

Field Detail

UNKNOWN

TYPE

METHOD

PACKAGE

CONSTRUCTOR

FIELD

CLASS

INTERFACE

ENUM

ANNOTATION_TYPE

CLASS_AND_ENUM

CLASS_AND_INTERFACE

INTERFACE_AND_ANNOTATION

MODULE

DECLARATIONS

IMPLEMENTORS

REFERENCES

ALL_OCCURRENCES

READ_ACCESSES

WRITE_ACCESSES

MODULE_GRAPH

IGNORE_DECLARING_TYPE

IGNORE_RETURN_TYPE

FIELD_DECLARATION_TYPE_REFERENCE

LOCAL_VARIABLE_DECLARATION_TYPE_REFERENCE

PARAMETER_DECLARATION_TYPE_REFERENCE

SUPERTYPE_TYPE_REFERENCE

THROWS_CLAUSE_TYPE_REFERENCE

CAST_TYPE_REFERENCE

CATCH_TYPE_REFERENCE

CLASS_INSTANCE_CREATION_TYPE_REFERENCE

RETURN_TYPE_REFERENCE

IMPORT_DECLARATION_TYPE_REFERENCE

ANNOTATION_TYPE_REFERENCE

TYPE_ARGUMENT_TYPE_REFERENCE

TYPE_VARIABLE_BOUND_TYPE_REFERENCE

WILDCARD_BOUND_TYPE_REFERENCE

INSTANCEOF_TYPE_REFERENCE

SUPER_REFERENCE

QUALIFIED_REFERENCE

THIS_REFERENCE

IMPLICIT_THIS_REFERENCE

METHOD_REFERENCE_EXPRESSION

EXACT_MATCH

PREFIX_MATCH

PATTERN_MATCH

CASE_SENSITIVE

CASE_INSENSITIVE

FORCE_IMMEDIATE_SEARCH

CANCEL_IF_NOT_READY_TO_SEARCH

WAIT_UNTIL_READY_TO_SEARCH

ALL_UNNAMED