more stuff I did
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@@ -10,13 +10,16 @@ public class AttributeEquals implements BiFunction<List<Attribute>, List<Object>
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private final Attribute rhs;
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public AttributeEquals(Attribute lhs, Attribute rhs) {
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assert lhs != null;
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assert rhs != null;
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assert lhs.type().equals(rhs.type());
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this.lhs = lhs;
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this.rhs = rhs;
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}
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@Override
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public Boolean apply(List<Attribute> attributes, List<Object> rows) {
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return rows.get(attributes.indexOf(lhs)).equals(rows.get(attributes.indexOf(rhs)));
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public Boolean apply(List<Attribute> attributes, List<Object> tuple) {
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return tuple.get(attributes.indexOf(lhs)).equals(tuple.get(attributes.indexOf(rhs)));
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}
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}
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@@ -10,14 +10,17 @@ public class GreaterThan implements BiFunction<List<Attribute>, List<Object>, Bo
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private final Integer value;
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public GreaterThan(Attribute attribute, Integer value) {
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assert attribute != null && attribute.type().equals(Integer.class);
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assert value != null;
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this.attribute = attribute;
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this.value = value;
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}
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@Override
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public Boolean apply(List<Attribute> attributes, List<Object> rows) {
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var columnIndex = attributes.indexOf(attribute);
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assert attributes.get(columnIndex).type().equals(Integer.class);
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return ((Integer) rows.get(columnIndex)) > value;
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public Boolean apply(List<Attribute> attributes, List<Object> tuple) {
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var attributeIndex = attributes.indexOf(attribute);
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assert attributes.get(attributeIndex).type().equals(Integer.class);
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return ((Integer) tuple.get(attributeIndex)) > value;
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}
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}
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@@ -10,14 +10,17 @@ public class GreaterThanEquals implements BiFunction<List<Attribute>, List<Objec
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private final Integer value;
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public GreaterThanEquals(Attribute attribute, Integer value) {
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assert attribute != null && attribute.type().equals(Integer.class);
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assert value != null;
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this.attribute = attribute;
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this.value = value;
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}
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@Override
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public Boolean apply(List<Attribute> attributes, List<Object> rows) {
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var columnIndex = attributes.indexOf(attribute);
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assert attributes.get(columnIndex).type().equals(Integer.class);
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return ((Integer) rows.get(columnIndex)) >= value;
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public Boolean apply(List<Attribute> attributes, List<Object> tuple) {
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var attributeIndex = attributes.indexOf(attribute);
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assert attributes.get(attributeIndex).type().equals(Integer.class);
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return ((Integer) tuple.get(attributeIndex)) >= value;
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}
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}
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@@ -10,14 +10,17 @@ public class LessThan implements BiFunction<List<Attribute>, List<Object>, Boole
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private final Integer value;
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public LessThan(Attribute attribute, Integer value) {
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assert attribute != null && attribute.type().equals(Integer.class);
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assert value != null;
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this.attribute = attribute;
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this.value = value;
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}
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@Override
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public Boolean apply(List<Attribute> attributes, List<Object> rows) {
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var columnIndex = attributes.indexOf(attribute);
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assert attributes.get(columnIndex).type().equals(Integer.class);
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return ((Integer) rows.get(columnIndex)) < value;
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public Boolean apply(List<Attribute> attributes, List<Object> tuple) {
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var attributeIndex = attributes.indexOf(attribute);
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assert attributes.get(attributeIndex).type().equals(Integer.class);
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return ((Integer) tuple.get(attributeIndex)) < value;
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}
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}
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@@ -10,14 +10,17 @@ public class LessThanEquals implements BiFunction<List<Attribute>, List<Object>,
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private final Integer value;
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public LessThanEquals(Attribute attribute, Integer value) {
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assert attribute != null && attribute.type().equals(Integer.class);
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assert value != null;
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this.attribute = attribute;
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this.value = value;
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}
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@Override
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public Boolean apply(List<Attribute> attributes, List<Object> rows) {
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var columnIndex = attributes.indexOf(attribute);
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assert attributes.get(columnIndex).type().equals(Integer.class);
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return ((Integer) rows.get(columnIndex)) <= value;
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public Boolean apply(List<Attribute> attributes, List<Object> tuple) {
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var attributeIndex = attributes.indexOf(attribute);
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assert attributes.get(attributeIndex).type().equals(Integer.class);
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return ((Integer) tuple.get(attributeIndex)) <= value;
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}
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}
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@@ -6,14 +6,16 @@ import java.util.List;
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import java.util.function.BiFunction;
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public class Not implements BiFunction<List<Attribute>, List<Object>, Boolean> {
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private BiFunction<List<Attribute>, List<Object>, Boolean> condition;
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private final BiFunction<List<Attribute>, List<Object>, Boolean> condition;
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public Not(BiFunction<List<Attribute>, List<Object>, Boolean> condition) {
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assert condition != null;
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this.condition = condition;
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}
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@Override
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public Boolean apply(List<Attribute> attributes, List<Object> objects) {
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return !condition.apply(attributes, objects);
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public Boolean apply(List<Attribute> attributes, List<Object> tuple) {
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return !condition.apply(attributes, tuple);
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}
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}
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@@ -10,13 +10,16 @@ public class ValueEquals implements BiFunction<List<Attribute>, List<Object>, Bo
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private final Object rhs;
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public ValueEquals(Attribute lhs, Object rhs) {
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assert lhs != null;
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assert rhs != null;
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assert lhs.type().isInstance(rhs);
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this.lhs = lhs;
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this.rhs = rhs;
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}
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@Override
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public Boolean apply(List<Attribute> attributes, List<Object> rows) {
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return rows.get(attributes.indexOf(lhs)).equals(rhs);
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public Boolean apply(List<Attribute> attributes, List<Object> tuple) {
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return tuple.get(attributes.indexOf(lhs)).equals(rhs);
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}
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}
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