Class CollectionBase<T>

Base class (abstract) for ICollection implementations.

Inheritance
System.Object
EnumerableBase<T>
CollectionValueBase<T>
CollectionBase<T>
DirectedCollectionBase<T>
HashSet<T>
Implements
System.Collections.Generic.IEnumerable<T>
System.Collections.IEnumerable
System.IFormattable
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Support.C5
Assembly: Lucene.Net.dll
Syntax
public abstract class CollectionBase<T> : CollectionValueBase<T>, ICollectionValue<T>, IEnumerable<T>, IEnumerable, IShowable, IFormattable
Type Parameters
Name Description
T

Constructors

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CollectionBase(IEqualityComparer<T>, MemoryType)

Declaration
protected CollectionBase(IEqualityComparer<T> itemequalityComparer, MemoryType memoryType)
Parameters
Type Name Description
System.Collections.Generic.IEqualityComparer<T> itemequalityComparer
MemoryType memoryType

The type of memory for the enumerator used to iterate the collection

Fields

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isReadOnlyBase

The underlying field of the ReadOnly property

Declaration
protected bool isReadOnlyBase
Field Value
Type Description
System.Boolean
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itemequalityComparer

The item equalityComparer of the collection

Declaration
protected readonly IEqualityComparer<T> itemequalityComparer
Field Value
Type Description
System.Collections.Generic.IEqualityComparer<T>
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size

The number of items in the collection

Declaration
protected int size
Field Value
Type Description
System.Int32

Properties

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Count

Declaration
public override int Count { get; }
Property Value
Type Description
System.Int32

The size of this collection
Overrides
Lucene.Net.Support.C5.CollectionValueBase<T>.Count
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CountSpeed

The value is symbolic indicating the type of asymptotic complexity in terms of the size of this collection (worst-case or amortized as relevant).

Declaration
public override Speed CountSpeed { get; }
Property Value
Type Description
Speed

A characterization of the speed of the 

Count
property in this collection.
Overrides
Lucene.Net.Support.C5.CollectionValueBase<T>.CountSpeed
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EqualityComparer

Declaration
public virtual IEqualityComparer<T> EqualityComparer { get; }
Property Value
Type Description
System.Collections.Generic.IEqualityComparer<T>
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IsEmpty

Declaration
public override bool IsEmpty { get; }
Property Value
Type Description
System.Boolean

True if this collection is empty
Overrides
Lucene.Net.Support.C5.CollectionValueBase<T>.IsEmpty
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IsReadOnly

Declaration
public virtual bool IsReadOnly { get; }
Property Value
Type Description
System.Boolean

True if this collection is read only
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stamp

The current stamp value

Declaration
protected int stamp { get; set; }
Property Value
Type Description
System.Int32

Methods

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checkRange(Int32, Int32)

Utility method for range checking.

Declaration
protected void checkRange(int start, int count)
Parameters
Type Name Description
System.Int32 start

start of range
System.Int32 count

size of range
Exceptions
Type Condition
System.ArgumentOutOfRangeException

if the start or count is negative or if the range does not fit within collection size.
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ComputeHashCode(ICollectionValue<T>, IEqualityComparer<T>)

Compute the unsequenced hash code of a collection

Declaration
public static int ComputeHashCode(ICollectionValue<T> items, IEqualityComparer<T> itemequalityComparer)
Parameters
Type Name Description
ICollectionValue<T> items

The collection to compute hash code for
System.Collections.Generic.IEqualityComparer<T> itemequalityComparer

The item equalitySCG.Comparer
Returns
Type Description
System.Int32

The hash code
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GetUnsequencedHashCode()

Get the unsequenced collection hash code of this collection: from the cached value if present and up to date, else (re)compute.

Declaration
public virtual int GetUnsequencedHashCode()
Returns
Type Description
System.Int32

The hash code
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modifycheck(Int32)

Check if the collection has been modified since a specified time, expressed as a stamp value.

Declaration
protected virtual void modifycheck(int thestamp)
Parameters
Type Name Description
System.Int32 thestamp

The stamp identifying the target time
Exceptions
Type Condition
CollectionModifiedException

if this collection has been updated since a target time
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StaticEquals(ICollection<T>, ICollection<T>, IEqualityComparer<T>)

Examine if collection1 and collection2 are equal as unsequenced collections using the specified item equalityComparer (assumed compatible with the two collections).

Declaration
public static bool StaticEquals(ICollection<T> collection1, ICollection<T> collection2, IEqualityComparer<T> itemequalityComparer)
Parameters
Type Name Description
ICollection<T> collection1

The first collection
ICollection<T> collection2

The second collection
System.Collections.Generic.IEqualityComparer<T> itemequalityComparer

The item equalityComparer to use for comparison
Returns
Type Description
System.Boolean

True if equal
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UnsequencedEquals(ICollection<T>)

Check if the contents of otherCollection is equal to the contents of this in the unsequenced sense. Uses the item equality comparer of this collection

Declaration
public virtual bool UnsequencedEquals(ICollection<T> otherCollection)
Parameters
Type Name Description
ICollection<T> otherCollection

The collection to compare to.
Returns
Type Description
System.Boolean

True if equal
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updatecheck()

Check if it is valid to perform update operations, and if so increment stamp.

Declaration
protected virtual void updatecheck()
Exceptions
Type Condition
ReadOnlyCollectionException

If collection is read-only

Implements

System.Collections.Generic.IEnumerable<T>
System.Collections.IEnumerable
System.IFormattable

Extension Methods