/*
 * Copyright 2016 higherfrequencytrading.com
 *
 * 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 net.openhft.chronicle.core.pool;

import net.openhft.chronicle.core.annotation.ForceInline;
import net.openhft.chronicle.core.util.StringUtils;

public class StringBuilderPool {
    private final ThreadLocal<StringBuilder> sbtl = new ThreadLocal<>();

    @ForceInline
    public StringBuilder acquireStringBuilder() {
        StringBuilder sb = sbtl.get();
        if (sb == null) {
            sb = new StringBuilder(1024);
            sbtl.set(sb);
        }
        StringUtils.setCount(sb, 0);
        return sb;
    }
}

/*
 * Copyright 2016 higherfrequencytrading.com
 *
 * 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 net.openhft.chronicle.core.pool;

import net.openhft.chronicle.core.annotation.ForceInline;

public class StringBuilderPool {
    private final ThreadLocal<StringBuilder> sbtl = new ThreadLocal<>();

    @ForceInline
    public StringBuilder acquireStringBuilder() {
        StringBuilder sb = sbtl.get();
        if (sb == null) {
            sb = new StringBuilder(128);
            sbtl.set(sb);
        }
        sb.setLength(0);
        return sb;
    }
}

Optimise use of StringBuilderPool