org.n52.svalbard.odata.expr

Class BinaryExpr<T>

java.lang.Object

org.n52.svalbard.odata.expr.BinaryExpr<T>

Type Parameters:

T - the operator type

All Implemented Interfaces:

Expr

Direct Known Subclasses:

BooleanBinaryExpr, ComparisonExpr

public abstract class BinaryExpr<T>
extends java.lang.Object
implements Expr

Class to hold a binary expression.

Constructor Summary

Constructors

Constructor and Description
BinaryExpr(T operator, Expr left, Expr right) Create a new BinaryExpr.

Method Summary

Modifier and Type	Method and Description
java.util.Optional<BinaryExpr<?>>	asBinary() Get this expression as a binary expression
Expr	getLeft() Get the left operand.
T	getOperator() Get the operator.
Expr	getRight() Get the right operand.
boolean	isBinary() Check if this expression is a binary expression.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.n52.svalbard.odata.expr.Expr

accept, asBoolean, asBooleanBinary, asBooleanUnary, asComparison, asMember, asMethodCall, asUnary, asValue, isBoolean, isBooleanBinary, isBooleanUnary, isComparison, isMember, isMethodCall, isUnary, isValue

Constructor Detail

BinaryExpr

public BinaryExpr(T operator,
                  Expr left,
                  Expr right)

Create a new BinaryExpr.

Parameters:

operator - the operator

left - the left operand

right - the right operand

Method Detail

getOperator

public T getOperator()

Get the operator.

Returns:

the operator

getLeft

public Expr getLeft()

Get the left operand.

Returns:

the left operand

getRight

public Expr getRight()

Get the right operand.

Returns:

the right operand

isBinary

public boolean isBinary()

Description copied from interface: Expr

Check if this expression is a binary expression.

Specified by:

isBinary in interface Expr

Returns:

if it is a binary expression

asBinary

public java.util.Optional<BinaryExpr<?>> asBinary()

Description copied from interface: Expr

Get this expression as a binary expression

Specified by:

asBinary in interface Expr

Returns:

the expression or Optional.empty() if the type does not match

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object