package it.cavallium.strangedb.java.objects.lists.operations;

import it.cavallium.strangedb.java.objects.lists.KMP;
import it.cavallium.strangedb.java.objects.lists.ValueOperation;

public class Contains<T extends CharSequence> implements ValueOperation<T> {

	private final T containsValue;

	private Contains(T containsValue) {
		this.containsValue = containsValue;
	}

	public static <T extends CharSequence> Contains<T> containsValue(T value) {
		return new Contains<T>(value);
	}

	@Override
	public boolean evaluate(Object value) {
		if (value instanceof CharSequence) {
			return KMP.KMP((CharSequence) value, containsValue) != -1;
		}
		return false;
	}
}