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LazyBSONList.java
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196 lines (157 loc) · 5.12 KB
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/*
* Copyright (c) 2008-2014 MongoDB, Inc.
*
* 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.bson;
import org.bson.io.BSONByteBuffer;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
@SuppressWarnings( "rawtypes" )
public class LazyBSONList extends LazyBSONObject implements List {
public LazyBSONList(byte[] data , LazyBSONCallback callback) { super( data , callback ); }
public LazyBSONList(byte[] data , int offset , LazyBSONCallback callback) { super( data , offset , callback ); }
public LazyBSONList(BSONByteBuffer buffer , LazyBSONCallback callback) { super( buffer , callback ); }
public LazyBSONList(BSONByteBuffer buffer , int offset , LazyBSONCallback callback) { super( buffer , offset , callback ); }
@Override
public boolean contains( Object arg0 ){
return indexOf(arg0) > -1;
}
@Override
public boolean containsAll( Collection arg0 ){
for ( Object obj : arg0 ) {
if ( !contains( obj ) )
return false;
}
return true;
}
@Override
public Object get( int pos ){
return get("" + pos);
}
@Override
public Iterator iterator(){
return new LazyBSONListIterator();
}
@Override
public int indexOf( Object arg0 ){
int pos = 0;
Iterator it = iterator();
while ( it.hasNext() ) {
Object curr = it.next();
if ( arg0.equals( curr ) )
return pos;
pos++;
}
return -1;
}
@Override
public int lastIndexOf( Object arg0 ){
int pos = 0;
int lastFound = -1;
Iterator it = iterator();
while(it.hasNext()) {
Object curr = it.next();
if(arg0.equals( curr ))
lastFound = pos;
pos++;
}
return lastFound;
}
@Override
public int size(){
//TODO check the last one and get the key/field name to see the ordinal position in case the array is stored with missing elements.
return getElements().size();
}
public class LazyBSONListIterator implements Iterator {
List<ElementRecord> elements;
int pos=0;
public LazyBSONListIterator() {
elements = getElements();
}
@Override
public boolean hasNext(){
return pos < elements.size();
}
@Override
public Object next(){
return getElementValue(elements.get(pos++));
}
@Override
public void remove(){
throw new UnsupportedOperationException( "Read Only" );
}
}
@Override
public ListIterator listIterator( int arg0 ){
throw new UnsupportedOperationException( "Not Supported" );
}
@Override
public ListIterator listIterator(){
throw new UnsupportedOperationException( "Not Supported" );
}
@Override
public boolean add( Object arg0 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public void add( int arg0 , Object arg1 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public boolean addAll( Collection arg0 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public boolean addAll( int arg0 , Collection arg1 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public void clear(){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public boolean remove( Object arg0 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public Object remove( int arg0 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public boolean removeAll( Collection arg0 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public boolean retainAll( Collection arg0 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public Object set( int arg0 , Object arg1 ){
throw new UnsupportedOperationException( "Read Only" );
}
@Override
public List subList( int arg0 , int arg1 ){
throw new UnsupportedOperationException( "Not Supported" );
}
@Override
public Object[] toArray(){
throw new UnsupportedOperationException( "Not Supported" );
}
@Override
public Object[] toArray( Object[] arg0 ){
throw new UnsupportedOperationException( "Not Supported" );
}
}