CodeQL library for Java/Kotlin
codeql/java-all 4.2.1 (changelog, source)
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Class ReferenceEqualityTest

An equality test is a binary expression using Java’s == or != operators or Kotlin’s === or !== operators.

If either operand is a reference type, this is a reference-in/equality test.

Import path

import java

Direct supertypes

Indirect supertypes

Inherited predicates

getAChildExpr

Gets a child of this expression.

from Expr
getAPrimaryQlClass

Gets the name of a primary CodeQL class to which this element belongs.

from Top
getAnEnclosingStmt

Gets a statement that directly or transitively contains this expression, if any. This is equivalent to this.getEnclosingStmt().getEnclosingStmt*().

from Expr
getAnOperand

Gets an operand (left or right).

from BinaryExpr
getBasicBlock

Gets the basic block in which this expression occurs, if any.

from Expr
getCompilationUnit

Gets the compilation unit in which this expression occurs.

from Expr
getControlFlowNode

Gets the ControlFlowNode corresponding to this expression.

from Expr
getEnclosingCallable

Gets the callable in which this expression occurs, if any.

from Expr
getEnclosingStmt

Gets the statement containing this expression, if any.

from Expr
getFile

Gets the file associated with this element.

from Top
getHalsteadID

This statement’s Halstead ID (used to compute Halstead metrics).

from Expr
getIndex

Gets the index of this expression as a child of its parent.

from Expr
getKind

Gets the kind of this expression.

from Expr
getKotlinType

Gets the Kotlin type of this expression.

from Expr
getLeftOperand

Gets the operand on the left-hand side of this binary expression.

from BinaryExpr
getLocation

Gets the source location for this element.

from Top
getNumberOfCommentLines

Gets the number of comment lines that this element ranges over.

from Top
getNumberOfLinesOfCode

Gets the number of lines of code that this element ranges over.

from Top
getOp

Gets a string representation of the operator of this binary expression.

from BinaryExpr
getParent

Gets the parent of this expression.

from Expr
getPrimaryQlClasses

Gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs.

from Top
getRightOperand

Gets the operand on the right-hand side of this binary expression.

from BinaryExpr
getTotalNumberOfLines

Gets the total number of lines that this element ranges over, including lines of code, comment and whitespace-only lines.

from Top
getType

Gets the type of this expression.

from Expr
getUnderlyingExpr

Gets the underlying expression looking through casts and not-nulls, if any. Otherwise just gets this expression.

from Expr
hasLocationInfo

Holds if this element is at the specified location. The location spans column startcolumn of line startline to column endcolumn of line endline in file filepath. For more information, see Locations.

from Top
hasOperands

The operands of this binary expression are e and f, in either order.

from BinaryExpr
isCompileTimeConstant

Holds if this expression is a compile-time constant.

from Expr
isInStaticContext

Holds if this expression occurs in a static context.

from Expr
isNthChildOf

Holds if this expression is the child of the specified parent at the specified (zero-based) position.

from Expr
isParenthesized

Holds if this expression is parenthesized.

from Expr
polarity

Gets a boolean indicating whether this is == (true) or != (false).

from EqualityTest
toString

Gets a printable representation of this expression.

from BinaryExpr

Charpred