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GS Collections is a collections framework for Java. It has JDK-compatible List, Set and Map
implementations with a rich API and set of utility classes that work with any JDK compatible Collections,
Arrays, Maps or Strings. The iteration protocol was inspired by the Smalltalk collection framework.
/*
* Copyright 2013 Goldman Sachs.
*
* 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 com.gs.collections.impl.collection;
import com.gs.collections.api.bag.primitive.MutableBooleanBag;
import com.gs.collections.api.bag.primitive.MutableByteBag;
import com.gs.collections.api.bag.primitive.MutableCharBag;
import com.gs.collections.api.bag.primitive.MutableDoubleBag;
import com.gs.collections.api.bag.primitive.MutableFloatBag;
import com.gs.collections.api.bag.primitive.MutableIntBag;
import com.gs.collections.api.bag.primitive.MutableLongBag;
import com.gs.collections.api.bag.primitive.MutableShortBag;
import com.gs.collections.api.block.function.primitive.BooleanFunction;
import com.gs.collections.api.block.function.primitive.ByteFunction;
import com.gs.collections.api.block.function.primitive.CharFunction;
import com.gs.collections.api.block.function.primitive.DoubleFunction;
import com.gs.collections.api.block.function.primitive.FloatFunction;
import com.gs.collections.api.block.function.primitive.IntFunction;
import com.gs.collections.api.block.function.primitive.LongFunction;
import com.gs.collections.api.block.function.primitive.ShortFunction;
import com.gs.collections.api.block.procedure.primitive.ObjectIntProcedure;
import com.gs.collections.api.collection.primitive.MutableBooleanCollection;
import com.gs.collections.api.collection.primitive.MutableByteCollection;
import com.gs.collections.api.collection.primitive.MutableCharCollection;
import com.gs.collections.api.collection.primitive.MutableDoubleCollection;
import com.gs.collections.api.collection.primitive.MutableFloatCollection;
import com.gs.collections.api.collection.primitive.MutableIntCollection;
import com.gs.collections.api.collection.primitive.MutableLongCollection;
import com.gs.collections.api.collection.primitive.MutableShortCollection;
import com.gs.collections.impl.collection.mutable.AbstractMutableCollection;
public abstract class AbstractMutableBag extends AbstractMutableCollection
{
public abstract void forEachWithOccurrences(ObjectIntProcedure procedure);
@Override
public R collectBoolean(final BooleanFunction booleanFunction, final R target)
{
if (target instanceof MutableBooleanBag)
{
final MutableBooleanBag targetBag = (MutableBooleanBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(booleanFunction.booleanValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
boolean value = booleanFunction.booleanValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
@Override
public R collectByte(final ByteFunction byteFunction, final R target)
{
if (target instanceof MutableByteBag)
{
final MutableByteBag targetBag = (MutableByteBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(byteFunction.byteValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
byte value = byteFunction.byteValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
@Override
public R collectChar(final CharFunction charFunction, final R target)
{
if (target instanceof MutableCharBag)
{
final MutableCharBag targetBag = (MutableCharBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(charFunction.charValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
char value = charFunction.charValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
@Override
public R collectDouble(final DoubleFunction doubleFunction, final R target)
{
if (target instanceof MutableDoubleBag)
{
final MutableDoubleBag targetBag = (MutableDoubleBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(doubleFunction.doubleValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
double value = doubleFunction.doubleValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
@Override
public R collectFloat(final FloatFunction floatFunction, final R target)
{
if (target instanceof MutableFloatBag)
{
final MutableFloatBag targetBag = (MutableFloatBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(floatFunction.floatValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
float value = floatFunction.floatValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
@Override
public R collectInt(final IntFunction intFunction, final R target)
{
if (target instanceof MutableIntBag)
{
final MutableIntBag targetBag = (MutableIntBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(intFunction.intValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
int value = intFunction.intValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
@Override
public R collectLong(final LongFunction longFunction, final R target)
{
if (target instanceof MutableLongBag)
{
final MutableLongBag targetBag = (MutableLongBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(longFunction.longValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
long value = longFunction.longValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
@Override
public R collectShort(final ShortFunction shortFunction, final R target)
{
if (target instanceof MutableShortBag)
{
final MutableShortBag targetBag = (MutableShortBag) target;
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
targetBag.addOccurrences(shortFunction.shortValueOf(each), occurrences);
}
});
}
else
{
this.forEachWithOccurrences(new ObjectIntProcedure()
{
public void value(T each, int occurrences)
{
short value = shortFunction.shortValueOf(each);
for (int i = 0; i < occurrences; i++)
{
target.add(value);
}
}
});
}
return target;
}
}
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