Package com.gengoai.parsing

Class ListExpression

java.lang.Object

com.gengoai.parsing.BaseExpression

com.gengoai.parsing.ListExpression

All Implemented Interfaces:

Expression, Serializable, Iterable<Expression>

public class ListExpression
extends BaseExpression
implements Iterable<Expression>

The type List expression.

Author:

David B. Bracewell

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ListExpression(Tag type, Collection<Expression> expressions, String separator, String startOfList, String endOfList)	Instantiates a new List expression.

Method Summary

Modifier and Type	Method	Description
<E extends Expression> List<E>	elementsAs(Class<E> eClass)	Generates the list of elements casting them to the desired expression type
Expression	get(int index)	Get expression.
static PrefixHandler	handler(Tag startOfListTag, Tag endOfListTag, Tag separatorTag, String startOfListStr, String endOfListStr, String separatorStr)	Handler prefix handler.
boolean	isEmpty()	Checks if there no expressions in the list
Iterator<Expression>	iterator()
int	numberOfExpressions()	Number of expressions int.
Stream<Expression>	stream()	Streams the elements.
<E extends Expression> Stream<Expression>	stream(Class<E> eClass)	Streams the elements as the given type.
String	toString()

Methods inherited from class com.gengoai.parsing.BaseExpression

getType

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.gengoai.parsing.Expression

apply, as, isInstance, isInstance, isInstance, when, when

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

ListExpression

public ListExpression(Tag type,
                      Collection<Expression> expressions,
                      String separator,
                      String startOfList,
                      String endOfList)

Instantiates a new List expression.

Parameters:

type - the type

expressions - the expressions

Method Detail

handler

public static PrefixHandler handler(Tag startOfListTag,
                                    Tag endOfListTag,
                                    Tag separatorTag,
                                    String startOfListStr,
                                    String endOfListStr,
                                    String separatorStr)

Handler prefix handler.

Parameters:

startOfListTag - the operator

endOfListTag - the end of list

separatorTag - the separator

Returns:

the prefix handler

get

public Expression get(int index)

Get expression.

Parameters:

index - the index

Returns:

the expression

iterator

public Iterator<Expression> iterator()

Specified by:

iterator in interface Iterable<Expression>

numberOfExpressions

public int numberOfExpressions()

Number of expressions int.

Returns:

the int

isEmpty

public boolean isEmpty()

Checks if there no expressions in the list

Returns:

True if the list of expressions is empty

elementsAs

public <E extends Expression> List<E> elementsAs(Class<E> eClass)

Generates the list of elements casting them to the desired expression type

Type Parameters:

E - the expression type parameter

Parameters:

eClass - the expression class

Returns:

the list of expression as the given type

stream

public Stream<Expression> stream()

Streams the elements.

Returns:

the stream of elements

stream

public <E extends Expression> Stream<Expression> stream(Class<E> eClass)

Streams the elements as the given type.

Type Parameters:

E - the expression type parameter

Parameters:

eClass - the expression class

Returns:

the stream of elements as the given type

toString

public String toString()

Overrides:

toString in class Object