Java tutorial
/** * Copyright 2010 CosmoCode GmbH * * 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 de.cosmocode.hibernate; import java.math.BigDecimal; import java.math.BigInteger; import java.sql.Blob; import java.sql.Clob; import java.util.Calendar; import java.util.Date; import java.util.List; import java.util.Locale; import java.util.TimeZone; import org.hibernate.HibernateException; import org.hibernate.ScrollableResults; import org.hibernate.type.Type; import com.google.common.base.Preconditions; /** * Mock implementation of the {@link ScrollableResults} which uses * an underlying list. * * @author Willi Schoenborn */ final class MockScrollableResults implements ScrollableResults { private final List<?> list; private int index = -1; public <T> MockScrollableResults(List<T> list) { this.list = Preconditions.checkNotNull(list, "List"); } @Override public void afterLast() throws HibernateException { index = list.size(); } @Override public void beforeFirst() throws HibernateException { index = -1; } @Override public void close() throws HibernateException { throw new UnsupportedOperationException(); } @Override public boolean first() throws HibernateException { index = 0; return list.size() > 0; } @Override public Object get(int i) throws HibernateException { return list.get(index); } @Override public boolean isFirst() throws HibernateException { return index == 0; } @Override public boolean isLast() throws HibernateException { return index == list.size() - 1; } @Override public boolean last() throws HibernateException { index = list.size() - 1; return list.size() > 0; } @Override public boolean next() throws HibernateException { index++; return index < list.size(); } @Override public boolean previous() throws HibernateException { index -= 1; return index < list.size(); } @Override public boolean scroll(int i) throws HibernateException { index += i; return index < list.size(); } @Override public int getRowNumber() throws HibernateException { return index; } @Override public boolean setRowNumber(int rowNumber) throws HibernateException { index = rowNumber; return index < list.size(); } @Override public Object[] get() throws HibernateException { throw new UnsupportedOperationException(); } @Override public BigDecimal getBigDecimal(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public BigInteger getBigInteger(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public byte[] getBinary(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Blob getBlob(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Boolean getBoolean(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Byte getByte(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Calendar getCalendar(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Character getCharacter(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Clob getClob(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Date getDate(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Double getDouble(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Float getFloat(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Integer getInteger(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Locale getLocale(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Long getLong(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Short getShort(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public String getString(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public String getText(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public TimeZone getTimeZone(int col) throws HibernateException { throw new UnsupportedOperationException(); } @Override public Type getType(int i) { throw new UnsupportedOperationException(); } }