96 lines
2.4 KiB
C#
96 lines
2.4 KiB
C#
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//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.ServiceModel.Channels
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{
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using System.Globalization;
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using System.Runtime;
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struct SequenceRange
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{
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// fields
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Int64 lower;
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Int64 upper;
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// constructors
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public SequenceRange(Int64 number)
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: this(number, number)
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{
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}
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public SequenceRange(Int64 lower, Int64 upper)
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{
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if (lower < 0)
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{
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throw Fx.AssertAndThrow("Argument lower cannot be negative.");
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}
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if (lower > upper)
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{
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throw Fx.AssertAndThrow("Argument upper cannot be less than argument lower.");
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}
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this.lower = lower;
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this.upper = upper;
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}
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// properties
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public Int64 Lower
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{
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get { return this.lower; }
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}
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public Int64 Upper
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{
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get { return this.upper; }
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}
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public static bool operator ==(SequenceRange a, SequenceRange b)
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{
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return (a.lower == b.lower) && (a.upper == b.upper);
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}
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public static bool operator !=(SequenceRange a, SequenceRange b)
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{
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return !(a == b);
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}
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public bool Contains(Int64 number)
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{
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return (number >= this.lower && number <= this.upper);
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}
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public bool Contains(SequenceRange range)
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{
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return (range.Lower >= this.lower && range.Upper <= this.upper);
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}
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public override bool Equals(object obj)
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{
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if (obj == null)
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{
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return false;
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}
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else if (obj is SequenceRange)
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{
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return this == (SequenceRange)obj;
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}
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else
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{
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return false;
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}
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}
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public override int GetHashCode()
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{
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Int64 hashCode = (this.upper ^ (this.upper - this.lower));
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return (int)((hashCode << 32) ^ (hashCode >> 32));
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}
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public override string ToString()
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{
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return string.Format(CultureInfo.InvariantCulture, "{0}-{1}", this.lower, this.upper);
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}
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}
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}
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