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package org.openpermis.basic; |
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import static org.openpermis.policy.bean.basic.BasicUtilities.multiHashCode; |
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import org.joda.time.Period; |
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public final class TimePeriodConstraint { |
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49 | 1 | public static final TimePeriodConstraint UNCONSTRAINED = |
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new TimePeriodConstraint(null, null, null, null); |
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private static boolean containsNegativePositiveParts (Period duration) { |
56 | 223 | if (duration == null) { |
57 | 207 | return false; |
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} |
59 | 16 | final int[] values = duration.getValues(); |
60 | 144 | for (int i = 0; i < values.length; i++) { |
61 | 128 | if (values[i] < 0) { |
62 | 0 | return true; |
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} |
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} |
65 | 16 | return false; |
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} |
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private static boolean isGreater (Period left, Period right) { |
72 | 13 | final int size = left.getValues().length; |
73 | 13 | for (int i = 0; i < size; i++) { |
74 | 13 | if (left.getValue(i) != right.getValue(i)) { |
75 | 13 | return left.getValue(i) > right.getValue(i); |
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} |
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} |
78 | 0 | return false; |
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} |
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private TimePeriod absolutePeriod; |
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private Period minimumValidFrom; |
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private Period minimumValidUpTo; |
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private Period maximumValidUpTo; |
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public TimePeriodConstraint ( |
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TimePeriod absolutePeriod, |
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Period minimumValidFrom, |
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Period minimumValidUpTo, |
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Period maximumValidUpTo |
105 | 223 | ) { |
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107 | 223 | if (containsNegativePositiveParts(maximumValidUpTo) && |
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containsNegativePositiveParts(minimumValidFrom) && |
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containsNegativePositiveParts(minimumValidUpTo) |
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) { |
112 | 0 | throw new IllegalArgumentException("Only positive durations are allowed."); |
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} |
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116 | 223 | if (minimumValidUpTo != null && |
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maximumValidUpTo != null && |
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isGreater(minimumValidUpTo, maximumValidUpTo) |
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) { |
120 | 0 | throw new IllegalArgumentException("Minimum valid up to is greater than maximum."); |
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} |
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123 | 223 | this.absolutePeriod = absolutePeriod; |
124 | 223 | this.minimumValidFrom = minimumValidFrom; |
125 | 223 | this.minimumValidUpTo = minimumValidUpTo; |
126 | 223 | this.maximumValidUpTo = maximumValidUpTo; |
127 | 223 | if (absolutePeriod == null) { |
128 | 210 | this.absolutePeriod = TimePeriod.INFINITE; |
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} |
130 | 223 | } |
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public TimePeriod getAbsolutePeriod () { |
139 | 24 | return this.absolutePeriod; |
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} |
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public Period getMinimumValidFrom () { |
147 | 16 | return this.minimumValidFrom; |
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} |
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public Period getMinimumValidUpTo () { |
155 | 29 | return this.minimumValidUpTo; |
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} |
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public Period getMaximumValidUpTo () { |
163 | 14 | return this.maximumValidUpTo; |
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} |
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public boolean equals (Object object) { |
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173 | 28 | if (object == null) { |
174 | 0 | return false; |
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} |
176 | 28 | if (this == object) { |
177 | 7 | return true; |
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} |
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180 | 21 | if (object instanceof TimePeriodConstraint) { |
181 | 21 | final TimePeriodConstraint other = (TimePeriodConstraint) object; |
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184 | 21 | if (!this.absolutePeriod.equals(other.absolutePeriod)) { |
185 | 1 | return false; |
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} |
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189 | 20 | if (this.maximumValidUpTo != null && |
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!this.maximumValidUpTo.equals(other.maximumValidUpTo) |
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) { |
192 | 0 | return false; |
193 | 20 | } else if (this.maximumValidUpTo == null && other.maximumValidUpTo != null) { |
194 | 0 | return false; |
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} |
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198 | 20 | if (this.minimumValidFrom != null && |
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!this.minimumValidFrom.equals(other.minimumValidFrom) |
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) { |
201 | 0 | return false; |
202 | 20 | } else if (this.minimumValidFrom == null && other.minimumValidFrom != null) { |
203 | 0 | return false; |
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} |
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207 | 20 | if (this.minimumValidUpTo != null && |
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!this.minimumValidUpTo.equals(other.minimumValidUpTo) |
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) { |
210 | 0 | return false; |
211 | 20 | } else if (this.minimumValidUpTo == null && other.minimumValidUpTo != null) { |
212 | 0 | return false; |
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} |
214 | 20 | return true; |
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} |
216 | 0 | return false; |
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} |
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public int hashCode () { |
223 | 12 | return multiHashCode( |
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this.absolutePeriod != null ? this.absolutePeriod.hashCode() : 0, |
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this.maximumValidUpTo != null ? this.maximumValidUpTo.hashCode() : 0, |
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this.minimumValidFrom != null ? this.minimumValidFrom.hashCode() : 0, |
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this.minimumValidUpTo != null ? this.minimumValidUpTo.hashCode() : 0 |
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); |
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} |
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} |