javax.mail.search.OrTerm Maven / Gradle / Ivy
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package javax.mail.search;
import javax.mail.Message;
/**
* This class implements the logical OR operator on individual SearchTerms.
*
* @author Bill Shannon
* @author John Mani
*/
public final class OrTerm extends SearchTerm {
/**
* The array of terms on which the OR operator should
* be applied.
*
* @serial
*/
private SearchTerm[] terms;
private static final long serialVersionUID = 5380534067523646936L;
/**
* Constructor that takes two operands.
*
* @param t1 first term
* @param t2 second term
*/
public OrTerm(SearchTerm t1, SearchTerm t2) {
terms = new SearchTerm[2];
terms[0] = t1;
terms[1] = t2;
}
/**
* Constructor that takes an array of SearchTerms.
*
* @param t array of search terms
*/
public OrTerm(SearchTerm[] t) {
terms = new SearchTerm[t.length];
for (int i = 0; i < t.length; i++)
terms[i] = t[i];
}
/**
* Return the search terms.
*
* @return the search terms
*/
public SearchTerm[] getTerms() {
return terms.clone();
}
/**
* The OR operation.
*
* The terms specified in the constructor are applied to
* the given object and the OR operator is applied to their results.
*
* @param msg The specified SearchTerms are applied to this Message
* and the OR operator is applied to their results.
* @return true if the OR succeds, otherwise false
*/
@Override
public boolean match(Message msg) {
for (int i=0; i < terms.length; i++)
if (terms[i].match(msg))
return true;
return false;
}
/**
* Equality comparison.
*/
@Override
public boolean equals(Object obj) {
if (!(obj instanceof OrTerm))
return false;
OrTerm ot = (OrTerm)obj;
if (ot.terms.length != terms.length)
return false;
for (int i=0; i < terms.length; i++)
if (!terms[i].equals(ot.terms[i]))
return false;
return true;
}
/**
* Compute a hashCode for this object.
*/
@Override
public int hashCode() {
int hash = 0;
for (int i=0; i < terms.length; i++)
hash += terms[i].hashCode();
return hash;
}
}