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package org.openpermis.policy.predicate; |
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import java.util.Map; |
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import org.openpermis.policy.Predicate; |
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import org.openpermis.policy.TimeStamp; |
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public class Present extends AbstractPredicate<Value<?>> { |
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private static final long serialVersionUID = 5176218191733835322L; |
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public Present (Value<?> value) { |
39 | 19 | super(value); |
40 | 19 | } |
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public boolean isValid () { |
51 | 17 | if (Argument.class.isAssignableFrom(getOperand(0).getClass())) { |
52 | 16 | return true; |
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} |
54 | 1 | return false; |
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} |
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@SuppressWarnings("unchecked") |
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public boolean matches (TimeStamp timeStamp, Map<String, ?> arguments) { |
62 | 5 | if (!isValid()) { |
63 | 1 | throw new IllegalStateException("Illegal predicate."); |
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} |
65 | 4 | final String key = ((Argument) getOperand(0)).getName(); |
66 | 4 | final Class<?> type = ((Argument) getOperand(0)).getType(); |
67 | 4 | final Object object = arguments.get(key); |
68 | 4 | return object != null && type.isAssignableFrom(object.getClass()); |
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} |
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@SuppressWarnings("unchecked") |
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public boolean isMatchable (Map<String, Class<?>> arguments) { |
76 | 5 | final String key = ((Argument) getOperand(0)).getName(); |
77 | 5 | final Class<?> type = ((Argument) getOperand(0)).getType(); |
78 | 5 | final Class<?> object = arguments.get(key); |
79 | 5 | return object != null && type.isAssignableFrom(object); |
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} |
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public boolean comparablePredicate (Predicate predicate) { |
86 | 4 | return predicate instanceof Present; |
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} |
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protected int partHashCode () { |
93 | 0 | return Present.class.hashCode(); |
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} |
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} |