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20 package org.grouplens.grapht;
21
22 import org.apache.commons.lang3.builder.EqualsBuilder;
23 import org.apache.commons.lang3.builder.HashCodeBuilder;
24 import org.grouplens.grapht.reflect.Satisfaction;
25 import org.grouplens.grapht.util.Preconditions;
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27 import java.io.Serializable;
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35 public class Component implements Serializable {
36 private static final long serialVersionUID = 5L;
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38 private final Satisfaction satisfaction;
39 private final CachePolicy cachePolicy;
40
41 private Component(Satisfaction satisfaction, CachePolicy policy) {
42 Preconditions.notNull("satisfaction", satisfaction);
43 Preconditions.notNull("policy", policy);
44
45 this.satisfaction = satisfaction;
46 cachePolicy = policy;
47 }
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58 public static Component create(Satisfaction satisfaction, CachePolicy policy) {
59 return new Component(satisfaction, policy);
60 }
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65 public Satisfaction getSatisfaction() {
66 return satisfaction;
67 }
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73 public CachePolicy getCachePolicy() {
74 return cachePolicy;
75 }
76
77 @Override
78 public boolean equals(Object o) {
79 if (!(o instanceof Component)) {
80 return false;
81 }
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83 Component c = (Component) o;
84 EqualsBuilder eqb = new EqualsBuilder();
85 return eqb.append(satisfaction, c.satisfaction)
86 .append(cachePolicy, c.cachePolicy)
87 .isEquals();
88 }
89
90 @Override
91 public int hashCode() {
92 HashCodeBuilder hcb = new HashCodeBuilder();
93 return hcb.append(satisfaction)
94 .append(cachePolicy)
95 .toHashCode();
96 }
97
98 @Override
99 public String toString() {
100 return "(" + satisfaction + ", " + cachePolicy + ")";
101 }
102 }