org.simpleflatmapper.util.ConstantPredicate Maven / Gradle / Ivy
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Java library to map flat record - ResultSet, csv - to java object with minimum configuration and low footprint.
package org.simpleflatmapper.util;
public class ConstantPredicate implements Predicate{
private static final ConstantPredicate TRUE = new ConstantPredicate(true);
private static final ConstantPredicate FALSE = new ConstantPredicate(false);
public static ConstantPredicate truePredicate() {
return TRUE;
}
public static ConstantPredicate falsePredicate() {
return FALSE;
}
private final boolean b;
private ConstantPredicate(boolean b) {
this.b = b;
}
@Override
public boolean test(T t) {
return b;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ConstantPredicate> that = (ConstantPredicate>) o;
return b == that.b;
}
@Override
public int hashCode() {
return (b ? 1 : 0);
}
}