/* * Copyright (c) 2002-2017 "Neo Technology," * Network Engine for Objects in Lund AB [http://neotechnology.com] * * This file is part of Neo4j. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.neo4j.driver.internal.value; import org.neo4j.driver.internal.types.InternalTypeSystem; import org.neo4j.driver.v1.types.Type; public abstract class BooleanValue extends ScalarValueAdapter { private BooleanValue() { //do nothing } public static BooleanValue TRUE = new TrueValue(); public static BooleanValue FALSE = new FalseValue(); public static BooleanValue fromBoolean( boolean value ) { return value ? TRUE : FALSE; } @Override public abstract Boolean asObject(); @Override public Type type() { return InternalTypeSystem.TYPE_SYSTEM.BOOLEAN(); } @Override public int hashCode() { Boolean value = asBoolean() ? Boolean.TRUE : Boolean.FALSE; return value.hashCode(); } private static class TrueValue extends BooleanValue { @Override public Boolean asObject() { return Boolean.TRUE; } @Override public boolean asBoolean() { return true; } @Override public boolean isTrue() { return true; } @Override public boolean isFalse() { return false; } @SuppressWarnings("EqualsWhichDoesntCheckParameterClass") @Override public boolean equals( Object obj ) { return obj == TRUE; } @Override public String asLiteralString() { return "TRUE"; } } private static class FalseValue extends BooleanValue { @Override public Boolean asObject() { return Boolean.FALSE; } @Override public boolean asBoolean() { return false; } @Override public boolean isTrue() { return false; } @Override public boolean isFalse() { return true; } @SuppressWarnings("EqualsWhichDoesntCheckParameterClass") @Override public boolean equals( Object obj ) { return obj == FALSE; } @Override public String asLiteralString() { return "FALSE"; } } }