oracle.ide.dependency.index

Class IndexDeclarationProvider

java.lang.Object

oracle.ide.dependency.index.IndexDeclarationProvider

All Implemented Interfaces:

DeclarationProvider

public abstract class IndexDeclarationProvider
extends java.lang.Object
implements DeclarationProvider

Provides declarations stored in the index.

Constructor Summary

Constructors

Constructor and Description
IndexDeclarationProvider()

Method Summary

Modifier and Type	Method and Description
boolean	canGetDeclaration(Context context) Determine whether there could be a declaration in the context.
boolean	canGetDeclarations(Context context, Node node) Determine whether this provider can get declarations for a Node.
Declaration	getDeclaration(Context context) Get the declaration for the given context.
protected abstract java.util.Collection<QueryCriteria>	getDeclarationCriteria(Context context, Reference reference) Get the index query criteria to use to search for the declaration corresponding to a reference.
java.util.Collection<? extends Declaration>	getDeclarations(Context context, Node node) Get all declarations for a Node.
java.util.Collection<? extends Declaration>	getTopLevelDeclarations(Context context, Node node) Get all top-level declarations for a Node.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IndexDeclarationProvider

public IndexDeclarationProvider()

Method Detail

getDeclarationCriteria

protected abstract java.util.Collection<QueryCriteria> getDeclarationCriteria(Context context,
                                                                              Reference reference)

Get the index query criteria to use to search for the declaration corresponding to a reference.

Parameters:

context - the context

reference - the reference

Returns:

the query critiera

canGetDeclaration

public boolean canGetDeclaration(Context context)

Description copied from interface: DeclarationProvider

Determine whether there could be a declaration in the context. The implementation of this method should be very fast, as it is called from the event thread to enable or disable dependency-related actions.

Specified by:

canGetDeclaration in interface DeclarationProvider

Parameters:

context - the context

Returns:

true if this provider may have a declaration in the context, false otherwise

getDeclaration

public Declaration getDeclaration(Context context)

Description copied from interface: DeclarationProvider

Get the declaration for the given context. This will only be called if DeclarationProvider.canGetDeclaration(oracle.ide.Context) returned true for this context.

Specified by:

getDeclaration in interface DeclarationProvider

Parameters:

context - the context

Returns:

the declaration

canGetDeclarations

public boolean canGetDeclarations(Context context,
                                  Node node)

Description copied from interface: DeclarationProvider

Determine whether this provider can get declarations for a Node.

Specified by:

canGetDeclarations in interface DeclarationProvider

Parameters:

context - the context

node - the Node

Returns:

true if the provider can get declarations for this Node, false otherwise

getDeclarations

public java.util.Collection<? extends Declaration> getDeclarations(Context context,
                                                                   Node node)

Description copied from interface: DeclarationProvider

Get all declarations for a Node.

Specified by:

getDeclarations in interface DeclarationProvider

Parameters:

context - the context

node - the Node

Returns:

the declarations

getTopLevelDeclarations

public java.util.Collection<? extends Declaration> getTopLevelDeclarations(Context context,
                                                                           Node node)

Description copied from interface: DeclarationProvider

Get all top-level declarations for a Node.

Some languages have a hierarchy of declarations. Objects further down in the hierarchy can only be accessed through these top-level declarations. For example, methods in a Java class can only be referenced directly through a reference to the Java class. Or columns in a database table might only be referenced through a reference to the table. In those cases, it is possible to search for all references to a Node by searching only for the top-level declarations. This improves performance compared to searching for every declaration in the Node. Implementations that do not have such a declaration hierarchy can simply call DeclarationProvider.getDeclarations(Context,Node).

Specified by:

getTopLevelDeclarations in interface DeclarationProvider

Parameters:

context - the context

node - the Node

Returns:

the top-level declarations