org.eclipse.equinox.internal.p2.metadata.expression

Class LambdaExpression

java.lang.Object

org.eclipse.equinox.internal.p2.metadata.expression.Expression

org.eclipse.equinox.internal.p2.metadata.expression.Unary

org.eclipse.equinox.internal.p2.metadata.expression.LambdaExpression

All Implemented Interfaces:

java.lang.Comparable<Expression>, IExpressionConstants, IExpression

public class LambdaExpression
extends Unary

A function that executes some code

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.equinox.internal.p2.metadata.expression.Expression

Expression.VariableFinder

Field Summary

Fields

Modifier and Type	Field and Description
protected Variable	each

Fields inherited from class org.eclipse.equinox.internal.p2.metadata.expression.Unary

operand

Fields inherited from interface org.eclipse.equinox.p2.metadata.expression.IExpression

TYPE_ALL, TYPE_AND, TYPE_ARRAY, TYPE_ASSIGNMENT, TYPE_AT, TYPE_COLLECT, TYPE_CONDITION, TYPE_EQUALS, TYPE_EXISTS, TYPE_FIRST, TYPE_FLATTEN, TYPE_FUNCTION, TYPE_GREATER, TYPE_GREATER_EQUAL, TYPE_INTERSECT, TYPE_LAMBDA, TYPE_LATEST, TYPE_LESS, TYPE_LESS_EQUAL, TYPE_LIMIT, TYPE_LITERAL, TYPE_MATCHES, TYPE_MEMBER, TYPE_NOT, TYPE_NOT_EQUALS, TYPE_OR, TYPE_PARAMETER, TYPE_PIPE, TYPE_SELECT, TYPE_TRAVERSE, TYPE_UNION, TYPE_UNIQUE, TYPE_VARIABLE

Fields inherited from interface org.eclipse.equinox.internal.p2.metadata.expression.IExpressionConstants

KEYWORD_ALL, KEYWORD_BOOLEAN, KEYWORD_CLASS, KEYWORD_COLLECT, KEYWORD_EXISTS, KEYWORD_FALSE, KEYWORD_FILTER, KEYWORD_FIRST, KEYWORD_FLATTEN, KEYWORD_INTERSECT, KEYWORD_IQUERY, KEYWORD_LATEST, KEYWORD_LIMIT, KEYWORD_LOCALIZED_KEYS, KEYWORD_LOCALIZED_MAP, KEYWORD_LOCALIZED_PROPERTY, KEYWORD_NULL, KEYWORD_RANGE, KEYWORD_SATISFIES_ALL, KEYWORD_SATISFIES_ANY, KEYWORD_SELECT, KEYWORD_SET, KEYWORD_TRAVERSE, KEYWORD_TRUE, KEYWORD_UNION, KEYWORD_UNIQUE, KEYWORD_VERSION, OPERATOR_AND, OPERATOR_ARRAY, OPERATOR_ASSIGN, OPERATOR_AT, OPERATOR_EACH, OPERATOR_ELSE, OPERATOR_EQUALS, OPERATOR_GT, OPERATOR_GT_EQUAL, OPERATOR_IF, OPERATOR_LT, OPERATOR_LT_EQUAL, OPERATOR_MATCHES, OPERATOR_MEMBER, OPERATOR_NOT, OPERATOR_NOT_EQUALS, OPERATOR_OR, OPERATOR_PARAMETER, PRIORITY_AND, PRIORITY_ASSIGNMENT, PRIORITY_BINARY, PRIORITY_COLLECTION, PRIORITY_COMMA, PRIORITY_CONDITION, PRIORITY_FUNCTION, PRIORITY_LAMBDA, PRIORITY_LITERAL, PRIORITY_MAX, PRIORITY_MEMBER, PRIORITY_NOT, PRIORITY_OR, PRIORITY_VARIABLE, VARIABLE_EVERYTHING, VARIABLE_THIS

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LambdaExpression(Variable each, Expression body)

Method Summary

Modifier and Type	Method and Description
boolean	accept(IExpressionVisitor visitor) Let the visitor visit this instance and all expressions that this instance contains.
int	compareTo(Expression e)
boolean	equals(java.lang.Object o)
int	getExpressionType() Returns the expression type (see TYPE_xxx constants).
Variable	getItemVariable()
java.lang.String	getOperator()
int	getPriority()
int	hashCode()
IEvaluationContext	prolog(IEvaluationContext context)
void	toString(java.lang.StringBuffer bld, Variable rootVariable)

Methods inherited from class org.eclipse.equinox.internal.p2.metadata.expression.Unary

evaluate, getOperand

Methods inherited from class org.eclipse.equinox.internal.p2.metadata.expression.Expression

appendOperand, assertLength, assertLength, compare, elementsToString, equals, evaluateAsIterator, getIndexCandidateMembers, hashCode, isReferenceTo, needsTranslationSupport, toLDAPString, toLDAPString, toString, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

each

protected final Variable each

Constructor Detail

LambdaExpression

protected LambdaExpression(Variable each,
                           Expression body)

Method Detail

accept

public boolean accept(IExpressionVisitor visitor)

Description copied from class: Expression

Let the visitor visit this instance and all expressions that this instance contains.

Specified by:

accept in interface IExpression

Overrides:

accept in class Unary

Parameters:

visitor - The visiting visitor.

Returns:

true if the visitor should continue visiting, false otherwise.

compareTo

public int compareTo(Expression e)

Specified by:

compareTo in interface java.lang.Comparable<Expression>

Overrides:

compareTo in class Unary

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class Unary

hashCode

public int hashCode()

Overrides:

hashCode in class Unary

getExpressionType

public int getExpressionType()

Description copied from interface: IExpression

Returns the expression type (see TYPE_xxx constants).

toString

public void toString(java.lang.StringBuffer bld,
                     Variable rootVariable)

Overrides:

toString in class Unary

getItemVariable

public Variable getItemVariable()

getOperator

public java.lang.String getOperator()

Specified by:

getOperator in class Expression

getPriority

public int getPriority()

Specified by:

getPriority in class Expression

prolog

public IEvaluationContext prolog(IEvaluationContext context)