Android Open Source - Android-Lib-Database Three Sided Predicate

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License

The source code is released under:

Apache License

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Java Source Code

package android.lib.database.predicate;
//  w ww  . j a v a 2s. co  m
import java.util.ArrayList;
import java.util.List;

final class ThreeSidedPredicate extends Predicate {
    private ThreeSidedPredicate(final String predicate, final List<Object> parameters) {
        super(predicate, parameters);
    }

    public static ThreeSidedPredicate newInstance(final String template, final Object left, final Object middle, final Object right, final boolean leftIsValue, final boolean middleIsValue, final boolean rightIsValue) {
        final List<Object> parameters = new ArrayList<Object>();
        final String       predicate;

        if (leftIsValue) {
            parameters.add(left);
        }

        if (middleIsValue) {
            parameters.add(middle);
        }

        if (rightIsValue) {
            parameters.add(right);
        }

        if (leftIsValue) {
            if (middleIsValue) {
                if (rightIsValue) {
                    predicate = String.format(template, Predicate.PARAMETER, Predicate.PARAMETER, Predicate.PARAMETER);
                } else {
                    predicate = String.format(template, Predicate.PARAMETER, Predicate.PARAMETER, Predicate.PARAMETER);
                }
            } else {
                if (rightIsValue) {
                    predicate = String.format(template, Predicate.PARAMETER, middle, Predicate.PARAMETER);
                } else {
                    predicate = String.format(template, Predicate.PARAMETER, middle, right);
                }
            }
        } else {
            if (middleIsValue) {
                if (rightIsValue) {
                    predicate = String.format(template, left, Predicate.PARAMETER, Predicate.PARAMETER);
                } else {
                    predicate = String.format(template, left, Predicate.PARAMETER, right);
                }
            } else {
                if (rightIsValue) {
                    predicate = String.format(template, left, middle, Predicate.PARAMETER);
                } else {
                    predicate = String.format(template, left, middle, right);
                }
            }
        }

        return new ThreeSidedPredicate(predicate, parameters);
    }
}

Java Source Code List